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IAC 4/11/18
}
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\pard\intbl\qc\sl250
{\plain\f4\fs21\cf2
Environmental Protection[567]
}
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Ch
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, p.
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Ch
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, p.
}
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\chpgn
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\pard\intbl\qc\sl250
{\plain\f4\fs21\cf2
Environmental Protection[567]
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{\plain\f4\fs21\cf2
IAC 4/11/18
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{\footerr
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}
\pard\keepn\sb57\qc\sl250
{\plain\f4\fs21\cf2
CHAPTER
}
{\plain\f4\fs21\cf2
43
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
WATER SUPPLIES—DESIGN AND OPERATION
}
\par
\pard\qc\sl180
{\plain\f4\fs14\cf2
[Prior to 12/12/90, portions of this chapter appeared in 567—Ch 41]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
1
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
General information.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.1
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Emergency actions regarding water supplies.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
When, in the opinion of the director, an actual or imminent hazard exists, the supplier of water shall comply with the directives or orders of the director necessary to eliminate or minimize that hazard.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.1
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Prohibition on the use of lead pipes, solder and flux.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any pipe, solder or flux which is used in the installation or repair of any public water supply system or any plumbing in a residential or nonresidential facility providing water for human consumption which is connected to a public water supply system shall be lead-free as defined in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—40.2
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). This action shall not apply to leaded joints necessary for the repair of cast iron pipe.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.1
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Use of noncentralized treatment devices.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Community PWS.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Community public water systems shall not use bottled water, point-of-use (POU) or point-of-entry (POE) devices to achieve permanent compliance with a maximum contaminant level, action level, or treatment technique requirement in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Noncommunity PWS.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Noncommunity public water supply systems may be allowed by the department to use point-of-use devices to achieve MCL compliance provided the contaminant does not pose an imminent threat to health (such as bacteria) nor place a sensitive population at risk (such as infants for nitrate or nitrite).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Reduced monitoring requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Bottled water, point-of-use, or point-of-entry devices cannot be used to avoid the monitoring requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
, but the department may allow reduced monitoring requirements in specific instances.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Bottled water requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may require a public water system exceeding a maximum contaminant level, action level, or treatment technique requirement specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
to use bottled water as a condition of an interim compliance schedule or as a temporary measure to avoid an unreasonable risk to health. Any bottled water must, at a minimum, meet the federal Food and Drug Administration bottled water standards, listed in the Code of Federal Regulations, Title 21, Chapter 165.110. The system must meet the following requirements:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Monitoring program. Submit for approval to the department a monitoring program for bottled water. The monitoring program must provide reasonable assurances that the bottled water complies with all maximum contaminant levels, action levels, or treatment technique requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
. The public water system must monitor a representative sample of bottled water for all contaminants regulated under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
the first quarter that it supplies the bottled water to the public, and annually thereafter. Results of the monitoring program shall be provided to the department annually. If the bottled water is from a community public water system that currently meets all of the federal Safe Drinking Water Act requirements, the monitoring requirements of this subparagraph shall be waived by the department. The specific supplier of the bottled water must be identified in order for the department to waive the monitoring requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Certification requirements. The public water system must receive a certification from the bottled water company that the bottled water supplied has been taken from an “approved source”; the bottled water company has conducted monitoring in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.1(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1); and the bottled water meets MCLs, action levels, or treatment technique requirements as set out in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
. The public water system shall provide the certification to the department the first quarter after it supplies bottled water and annually thereafter.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Provision of bottled water to consumers. The public water supply system is fully responsible for the provision of sufficient quantities of bottled water to every person supplied by the public water system via door-to-door bottled water delivery.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Point-of-use devices.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Reserved.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Point-of-entry devices.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Reserved.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.1
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Cross-connection control.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
To prevent backflow or backsiphonage of contaminants into a public water supply, connection shall not be permitted between a public water supply and any other system which does not meet the monitoring and drinking water standards required by this chapter except as provided below in
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Piping and plumbing systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Piping systems or plumbing equipment carrying nonpotable water, contaminated water, stagnant water, liquids, mixtures or waste mixtures shall not be connected to a public water supply unless properly equipped with an antisiphon device or backflow preventer acceptable to the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Bulk water loading stations.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Positive separation shall be provided through the use of an air gap separation or a backflow preventer, which is acceptable to the department, at all loading stations for bulk transport tanks.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Minimum air gap. The minimum required air gap shall be twice the diameter of the discharge pipe.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Backflow preventer criteria. An approved backflow preventer for this application shall be a reduced pressure backflow preventer or an antisiphon device which complies with the standards of the American Water Works Association and has been approved by the Foundation for Cross-Connection Control and Hydraulic Research, University of Southern California.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
When, in the opinion of the department, evidence clearly indicates the source of contamination within the system is the result of a cross-connection, the department may require a public water supply to conduct public notification, identify and eliminate the connection, and implement a systemwide cross-connection program.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.1
}
{\plain\f4\fs21\b\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Requirement for certified operator.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department maintains a list of operators who are certified in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
. The list includes the operator’s name, certification classification (Water Treatment, Water Distribution, or Grade A Water System), and grade (A, I, II, III, or IV), and is periodically updated during the year.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
CWS and NTNC systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
All community and nontransient noncommunity public water supply systems must have a certified operator in direct responsible charge of the treatment and distribution systems, in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.40.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 40
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.44.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
44
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
81
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
TNC systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any transient noncommunity public water supply system which is owned by the state or federal government, such as a state park, state hospital, or interstate rest stop, or is using a groundwater under the direct influence of surface water or surface water source, must have a certified operator in direct responsible charge of the treatment and distribution systems, in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.40.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 40
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.44.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
44
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
81
}
}}
{\plain\f4\fs21\cf2\ulc2
. Any TNC which uses chlorine dioxide as a disinfectant or oxidant must have a certified operator in direct responsible charge of the system, pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
. The department may require any TNC to have a certified operator in direct responsible charge.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.1
}
{\plain\f4\fs21\b\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Return water in public water supply systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Steam condensate, cooling water from engine jackets, water used in conjunction with heat exchange devices, or treated wastewater shall not be returned to the public water supply system.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.1
}
{\plain\f4\fs21\b\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Sanitary surveys.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Each public water supply system must have a periodic sanitary survey, conducted by the department or its designee, which is a records review and on-site inspection of the system. Systems must provide the department, at its request, any existing information that will enable the department to conduct the sanitary survey. The inspection evaluates the system’s ability to produce and distribute safe drinking water and identifies improvements necessary to maintain or improve drinking water quality. The sanitary survey includes review and inspection of the following areas: water source; treatment facilities; distribution system; finished water storage; pumps, pump facilities, controls and other equipment; monitoring, reporting, and data verification, including self-monitoring requirements; system operation and management; maintenance; properly certified operators; and records. A report of the sanitary survey is issued by the department or its designee, and may include both enforceable required actions for remedying significant deficiencies and nonenforceable recommended actions. The frequency of the sanitary survey inspection must be at least once every five years for noncommunity systems and once every three years for community systems. The department or its designee must provide the system with a written notice describing any significant deficiencies identified no later than 30 days after the department identifies the significant deficiency. The notice may be included in the sanitary survey report and may specify corrective actions and deadlines for completion of corrective actions. Systems must respond in writing to significant deficiencies outlined in the sanitary survey report or written notice within the time period specified in the report, indicating how and on what schedule the system will address significant deficiencies noted in the survey. At a maximum, the written response must be received within 30 days of receiving the survey report. All systems must take the steps necessary to address significant deficiencies identified in the sanitary survey report that are within the control of the system and its governing body.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12;
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 3735C
}
}}
{\plain\f4\fs16\cf2
, IAB 4/11/18, effective 5/16/18]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
2
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Permit to operate.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.2
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Operation fees.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Annual fee.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A fee for the operation of a public water supply system shall be paid annually. The fee will not be prorated and is nonrefundable. The fee shall be based on the population served. The fee shall be the greater of $25 per year or $0.14 multiplied by the total population served by the public water supply for all community and nontransient noncommunity public water supply systems. The fee shall be $25 per year for all transient noncommunity water systems. Where a system provides water to another public water supply system (consecutive public water supply system) which is required to have an operation permit, the population of the recipient water supply shall not be counted as a part of the water system providing the water.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Fee notices.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department will send annual notices to public water supply systems at least 60 days prior to the date that the operation fee is due.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Fee payments.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The annual operation fee must be paid to the department by September 1 each year.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Fee schedule adjustment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may adjust the per capita fee payment by up to +/– $0.02 per person served so as to achieve the targeted revenue of $350,000 during each fiscal year. The environmental protection commission must approve any per capita fee rate above $0.14 per person. The extent of the fee adjustment must comply with Iowa Code section
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/ico/section/455B.183A.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
455B.183A
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Exempted public water supply systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Public water supply systems located on Indian lands are exempt from the fee requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Late fees.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
When the owner of a public water supply fails to make timely application or to remit payment of fees by September 1, the department will notify the system by a single notice of violation. In addition, a late fee of $100 will be assessed for failure to remit the operation fee by September 1. The department may thereafter issue an administrative order pursuant to Iowa Code section
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/ico/section/455B.175.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
455B.175(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
or request a referral to the attorney general under Iowa Code section
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/ico/section/455B.175.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
455B.175(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
as necessary.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.2
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Operation permit requirement.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Except as provided in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.2(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.2(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
, no person shall operate any public water supply system or part thereof without, or contrary to any condition of, an operation permit issued by the director.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.2
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Application for operation permit.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The owner of any public water supply system or part thereof must make application for an operation permit. No such system shall be operated without an operation permit, unless proper application has been made. Upon submission of a completed application form, the time requirement for having a valid operation permit is automatically extended until the application has either been approved or disapproved by the director.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.2
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Operation permit application form issuance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Operation permit application form.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Application for operation permits shall be made on forms provided by the department. The application for an operation permit shall be filed at least 90 days prior to the date operation is scheduled to begin unless a shorter time is approved by the director. The director shall issue or deny operation permits for facilities within 60 days of receipt of a completed application, unless a longer period is required and the applicant is so notified. The director may require the submission of additional information deemed necessary to evaluate the application. If the application is incomplete or otherwise deficient, processing of the application shall not be completed until such time as the applicant has supplied the missing information or otherwise corrected the deficiency.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Identity of signatories of operation permit applications.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The person who signs the application for an operation permit shall be:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Corporation. In the case of a corporation, a principal executive officer of at least the level of vice president. The corporation has the option of appointing a designated signatory to satisfy this requirement.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Partnership. In the case of a partnership, a general partner.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Sole proprietorship. In the case of a sole proprietorship, the proprietor.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Public facility. In the case of a municipal, state or other public facility, by either the principal executive officer or the ranking elected official.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Appeal.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The denial of a permit, or any permit condition, may be appealed by the applicant to the environmental protection commission pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 7
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.2
}
{\plain\f4\fs21\b\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Operation permit conditions.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Operation permit conditions.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Operation permits may contain such conditions as are deemed necessary by the director to ensure compliance with all applicable rules of the department, to ensure that the public water supply system is properly operated and maintained, to ensure that potential hazards to the water consumer are eliminated promptly, and to ensure that the requirements of the Safe Drinking Water Act are met.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Compliance schedule.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Where one or more maximum contaminant levels, treatment techniques, designated health advisories, or action levels cannot be met immediately, a compliance schedule for achieving compliance with standards may be made a condition of the permit. A compliance schedule requiring alterations in accordance with the standards for construction in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/456.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
may also be included for any supply that, in the opinion of the director, contains a potential hazard.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If the department determines that a treatment method identified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(10)
}
}}
{\plain\f4\fs21\cf2\ulc2
is technically feasible, the department may require the system to install or use that treatment method in connection with a compliance schedule issued under the provisions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.2(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
}}
{\plain\f4\fs21\cf2\ulc2
The department’s determination shall be based upon studies by the system and other relevant information.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.2
}
{\plain\f4\fs21\b\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Notification of change in operation permit application conditions.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The owner of a public water supply system shall notify the director within 30 days of any change in conditions identified in the permit application. This notice does not relieve the owner of the responsibility to obtain a construction permit as required by
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.3
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.2
}
{\plain\f4\fs21\b\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Renewal of operation permits.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may issue operation permits for durations of up to five years. Operation permits must be renewed prior to expiration in order to remain valid. The renewal date shall be specified in the permit or in any renewal. Application for renewal must be received by the director, or postmarked, 60 days prior to the renewal date, on forms provided by the department.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.2
}
{\plain\f4\fs21\b\cf2\ulc2
(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Denial, modification, or suspension of operation permit.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The director may deny renewal of, modify, or suspend, in whole or in part, any operation permit for good cause. Denial of a new permit, renewal of an existing permit, or modification of a permit, may be appealed to the environmental protection commission pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 7
}
}}
{\plain\f4\fs21\cf2\ulc2
. Suspension or revocation may occur after hearing, pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 7
}
}}
{\plain\f4\fs21\cf2\ulc2
. Good cause includes the following:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Violation of any term or condition of the permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Obtaining a permit by misrepresentation of fact or failure to disclose fully all material facts.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A change in any condition that requires either a permanent or temporary modification of a permit condition.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Failure to submit such records and information as the director may require both generally and as a condition of the operation permit in order to ensure compliance with conditions specified in the permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Violation of any of the requirements contained in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.40.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 40
}
}}
{\plain\f4\fs21\cf2\ulc2
to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Inability of a system to either achieve or maintain technical, managerial, or financial viability, as determined in rule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.8.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.8
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B).
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
3
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Public water supply system construction.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Standards for public water supplies.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any public water supply that does not meet the drinking water standards contained in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
shall make the alterations in accordance with the standards for construction contained in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
necessary to comply with the drinking water standards unless the public water supply has been granted a variance from a maximum contaminant level or treatment technique as a provision of its operation permit pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.2
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B), provided that the public water supply meets the schedule established pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.2
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). Any public water supply that, in the opinion of the director, contains a potential hazard shall make the alterations in accordance with the standards for construction contained in this rule necessary to eliminate or minimize that hazard. A system that is not operating within the design standards may be required by the department via a compliance schedule to upgrade the deficient areas of the system before a construction permit will be issued for any work in the system that does not address the current deficiencies.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Standards for construction.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The standards for a project are the Ten States Standards as adopted through 2012 and the American Water Works Association (AWWA) Standards as adopted through 2016 and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
. To the extent of any conflict between the Ten States Standards and the American Water Works Association Standards and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
, the Ten States Standards,
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
, and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
shall prevail. Additional standards include the following:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Polyvinyl chloride (PVC) pipe manufactured in accordance with ASTM D2241, AWWA C900, AWWA C905, ASTM F1483, or AWWA C909 may be used for water main construction. The maximum allowable pressure for PVC or polyethylene (PE) pipe shall be determined based on a safety factor of 2.0 and a surge allowance of no less than two feet per second (2 fps).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For CWS groundwater systems, a minimum of two wells shall be provided, unless the system demonstrates to the department’s satisfaction that a single well will provide a reliable and adequate source. For NTNC and TNC groundwater systems, a single well is acceptable.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Separation of water mains from sanitary sewers and storm sewers shall be in accordance with the Iowa Wastewater Facilities Design Standards, chapter 12, section 5.8, “Protection of Water Supplies.” Where the water main either crosses under or is less than 18 inches above the sewer, one full length of water main shall be located so that both joints are as far as possible from the sewer. The sewer and water pipes must be adequately supported. A low permeability soil shall be used for backfilling material within ten feet of the point of crossing. No water pipe shall pass through or come in contact with any part of a sewer manhole.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Variance. When engineering justification satisfactory to the director is provided substantially demonstrating that variation from the design standards will result in equivalent or improved effectiveness, such a variation from design standards may be accepted by the director. A variance denial may be appealed to the environmental protection commission pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 7
}
}}
{\plain\f4\fs21\cf2\ulc2
. Variance requests for projects qualifying for a waiver from the engineering requirement of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
may be made without the retained services of a professional engineer.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Construction permits.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
No person shall construct, install or modify any project without first obtaining, or contrary to any condition of, a construction permit issued by the director or by a local public works department authorized to issue permits under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 9
}
}}
{\plain\f4\fs21\cf2\ulc2
except as provided in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
. Construction permits are not required for point-of-use treatment devices installed by a noncommunity water system except those devices required by the department to meet a drinking water standard pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
. No construction permit will be issued for a new public water supply system without a completed viability assessment, which has been approved by the department, and demonstrates that the system is viable, pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.8.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.8
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Construction permit issuance conditions.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A permit to construct shall be issued by the director if the director concludes from the application and specifications submitted pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—40.4
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B) that the project will comply with the rules of the department. The construction of the project must begin within one year from the date the permit was issued; if it is not, the permit is no longer valid. If construction is ongoing and continuous (aside from delays due to winter or exceptional weather) and the permitted project cannot be completed within one year, the permit shall remain valid until the project is completed. The department may grant an extension of the permit for a multiphase project, for a maximum two additional years.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Construction permit application.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Application for any project shall be submitted to the department at least 30 days prior to the proposed date for commencing construction or awarding of contracts. This requirement may be waived when it is determined by the department that an imminent health hazard exists to the consumers of a public water supply. Under this waiver, construction, installation, or modification may be allowed by the department prior to review and issuance of a permit if all the following conditions are met:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The construction, installation or modification will alleviate the health hazard;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The construction is done in accordance with the standards for construction pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Plans and specifications are submitted within 30 days after construction;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A professional engineer, licensed in the state of Iowa, supervises the construction; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The supplier of water receives approval of this waiver prior to any construction, installation, or modification.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Construction permit fees.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A nonrefundable fee for a construction permit issued in accordance with subrules
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—subrules 40.3(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
40.4(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
shall be submitted with the application for a construction permit prior to the authorization to commence construction. The construction permit fee shall be based upon the following rate structure:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Routine construction permits. The fee shall be determined based upon the total length of water main plus the non-water-main-related construction costs, calculated as follows:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
1. Water mains (minimum fee of $100; maximum fee of $5,000):
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2808
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Length of permitted water main
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Rate
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2808
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
First 1,000 ft.
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
$100
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2808
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Next 19,000 ft.
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
$0.10/ft.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2808
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Next 300,000 ft.
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
$0.01/ft.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2808
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Over 320,000 ft.
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No additional charge
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
2. Non-water-main-related construction costs, including source, treatment, pumping, storage and waste handling (minimum fee of $100; maximum fee of $16,000):
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2237
\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5189
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Estimated construction cost
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Rate
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2237
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
First $50,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
$100
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2237
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Next $950,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.2% of estimated construction cost
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clvertalc
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clvertalc
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Next $14,000,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.1% of estimated construction cost
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2237
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Over $15,000,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No additional charge
}
\cell
\row
\pard\sb180\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
“As-built” construction. “As-built” construction is defined as construction that occurred before a construction permit is issued. The fee shall be calculated according to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1), plus an additional fee of $200, and is effective for construction that occurred after December 1, 2003. The fee for water main projects permitted in accordance with paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
shall be calculated in accordance with subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1); however, the additional “as-built” fee of $200 shall not be assessed for these projects.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Change orders, addenda, permit supplements, and request for time extensions. A fee for change orders, addenda, or permit supplements will only be charged if the aggregate of the changes approved for the project to date causes the total project construction cost to exceed the original project construction cost by at least 5 percent. For water main extensions, the fee will be charged if the total length of water main exceeds the original approved length by 5 percent. The request for a time extension is a flat fee.
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Categories
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Rate
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Change orders, addenda, and permit supplements for water mains
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
$0.10/ft. of additional water main, minimum fee: $50
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2885
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6197
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Change orders, addenda, and permit supplements for non-water-main-
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
related construction costs
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.2% of additional non-water-main-related construction costs, minimum fee: $50
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2885
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6197
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Request for time extension
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
$50
}
\cell
\row
\pard\sb180\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Calendar year construction permit fee cap. The total amount of construction permit fees for a public water supply system owner during any calendar year shall not exceed $5,000 for water mains and $16,000 for non-water-main-related construction projects.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Water well construction.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
All water well construction must be performed by a certified well contractor in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.82.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 82
}
}}
{\plain\f4\fs21\cf2\ulc2
. It is the responsibility of the public water supply and certified well contractor to ensure that a public well construction permit has been issued by the department prior to initiation of well construction and to ensure that all well construction is performed in accordance with the provisions of this chapter.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Minor water main construction permit.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water system may obtain a minor water main construction permit from the department for construction or replacement of minor water mains that serve additional users. By obtaining this permit, the system is able to construct new minor water mains or extend or replace existing minor water mains without obtaining an individual construction permit for each specific water main. The permit shall allow construction or replacement of minor water mains that do not exceed six inches in diameter and, in aggregation, do not increase the average daily demand (in gallons per day) of the public water supply system by more than 5 percent over the duration of the permit.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
The additional users must have been included in the system’s hydraulic analysis that has been approved by the department. The water demands of the additional users must be consistent with the water demands in the approved hydraulic analysis.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A minor water main construction permit shall be issued subject to the following conditions:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system has standard specifications for water main construction approved and on file with the department;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system has adequate source capacity and, where treatment is provided, adequate treatment plant capacity to meet the peak day demand of all existing users and the proposed additional users covered under the permit;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system has adequate storage capacity to meet the average day demand of all existing users and the proposed additional users covered under the permit; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system submits an application for a minor water main construction permit prior to the construction or replacement of any water main covered by the permit. The permit application must be submitted to the department 90 days before the anticipated first use of the permit, and construction shall not commence prior to the issuance of the permit. The minor water main construction permit expires on December 31 of the year in which it is issued. The application shall include the following:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
An up-to-date hydraulic analysis of the system, prepared and submitted by a licensed professional engineer, must be either on file with the department or submitted with the permit application. The hydraulic basis of flow (gallons per minute per connection) used in the analysis must be acceptable to the department. The hydraulic analysis shall include:
}
\par
\pard\qj\fi340\sl250\tx200
{\plain\f4\fs14\cf2\ulc2
\u9675?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
All existing water mains within the system;
}
\par
\pard\qj\fi340\sl250\tx200
{\plain\f4\fs14\cf2\ulc2
\u9675?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
All proposed water mains intended to be covered by the permit;
}
\par
\pard\qj\fi340\sl250\tx200
{\plain\f4\fs14\cf2\ulc2
\u9675?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A demonstration that the system has adequate hydraulic capacity to serve the existing and new users under peak flow conditions without causing the pressure to fall below 20 psi anywhere within the system;
}
\par
\pard\qj\fi340\sl250\tx200
{\plain\f4\fs14\cf2\ulc2
\u9675?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The location of all potential users of the system;
}
\par
\pard\qj\fi340\sl250\tx200
{\plain\f4\fs14\cf2\ulc2
\u9675?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The diameter of all existing and proposed pipes;
}
\par
\pard\qj\fi340\sl250\tx200
{\plain\f4\fs14\cf2\ulc2
\u9675?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The projected system flows; and
}
\par
\pard\qj\fi340\sl250\tx200
{\plain\f4\fs14\cf2\ulc2
\u9675?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The static and dynamic pressures anticipated throughout the system with the addition of the new users incorporated in the analysis.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A completed Schedule 1b, Minor Water Main Construction Permit Application (Form 542-3151), listed in 567—subrule 40.3(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must submit completed Schedule 2c, Notification of Minor Water Main Construction (Form 542-3152), prior to the construction or replacement of each minor water main covered by this permit. Each water main covered by the permit must have either been included in the previously submitted hydraulic analysis or must be included in an update to the hydraulic analysis, submitted with Schedule 2c. If an update to the hydraulic analysis is submitted with Schedule 2c, it must include all portions of the distribution system potentially affected by the new construction.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
By January 31 of the following year, the system shall submit the following to the department:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A complete set of plans for all water main extensions constructed under the permit. The plans must be prepared and submitted by a licensed professional engineer.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Completed Schedules 1a, 1c, and 2a, listed in 567—subrule 40.3(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The construction permit fee calculated in accordance with subparagraph 43.3(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1). The fee calculation shall be based upon the total length of water main constructed under the permit. For the purpose of calculating the total amount of water main construction permit fees, paid by the system in accordance with subparagraph 43.3(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4), the fee shall be credited to the calendar year in which the actual fee was received by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A permit shall contain such conditions as are deemed necessary by the director to ensure compliance with all applicable rules of the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The director may modify the permit, in whole or in part, at any time. The director may suspend or revoke the permit, in whole or in part, at any time by providing written notice to the permit holder and is not obligated to renew the permit. Cause for modification, suspension, or revocation of the permit includes, but is not limited to, the following:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Violation of any term or condition of the permit;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Misrepresentation of fact or failure to disclose fully all material facts in order to obtain a permit;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Failure to submit the records and information as required by the director, both generally and as condition of the permit;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Failure to submit timely reports from previous permits;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Failure to construct in accordance with approved design standards in accordance with subrule 43.3(2); or
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
6.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Failure to construct in accordance with the system’s approved standard specifications.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
No variance to the design standards is allowed under this permit. If a variance to the design standards is needed, the system must apply for an individual construction permit following the procedures in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—subrule 40.4(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Waiver from engineering requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The requirement for plans and specifications prepared by a licensed professional engineer may be waived for the following types of projects, provided the improvement complies with the standards for construction. This waiver does not relieve the supplier of water from meeting the application and permit requirements pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
, except that the applicant need not obtain a written permit prior to installing the equipment.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Simple chemical feed, if all the following conditions are met:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The improvement consists only of a simple chemical solution application or installation, which in no way affects the performance of a larger treatment process, or is included as part of a larger treatment project;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The chemical application is by a positive displacement pump (of the piston type with a solenoid operated diaphragm), the acceptability of said pump to be determined by the department;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The supplier of water provides the department with a schematic of the installation and manufacturer’s specifications sufficient enough to determine if the simple chemical feed installation meets, where applicable, standards for construction pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The final installation is approved based on an on-site review and inspection by department staff; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The installation includes only the prepackaged delivery of chemicals (from sacks, containers, or carboys) and does not include the bulk storage or transfer of chemicals (from a delivery vehicle).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Self-contained treatment unit, if all the following conditions are met:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The equipment is of a type which can be purchased “off the shelf,” is self-contained requiring only a piping hookup for installation and operates throughout a range of 35 to 80 pounds per square inch;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The plant is designed to serve no more than an average of 250 individuals per day;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department receives adequate information from the supplier of water on the type of treatment unit, such as manufacturer’s specifications, a schematic indicating the installation’s location within the system and any other information necessary for review by the department to determine if the installation will alleviate the maximum contaminant level violation; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The final installation is approved based on an on-site inspection by department staff.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Project planning and basis of design.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
An engineering report containing information and data necessary to determine the conformance of the project to the standards for construction and operation in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
and the adequacy of the project to supply water in sufficient quantity and at sufficient pressure and of a quality that complies with drinking water standards pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
must be submitted to the department either with the project or in advance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Such information and data must supply pertinent information as set forth in part one of the Ten States Standards.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may reject receipt or delay review of the plans and specifications until an adequate basis of design is received.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Standard specifications for water main construction.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Standard specifications for water main construction by an entity may be submitted to the department or an authorized local public works department for approval. Such approval shall apply to all future water main construction by or for that entity for which plans are submitted with a statement requiring construction in accordance with all applicable approved standard specifications unless the standards for public water supply systems specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
are modified subsequent to such approval and the standard specifications would not be approvable under the modified standards. In those cases where such approved specifications are on file, construction may commence 30 days following receipt of such plans by the department or an authorized local public works department if no response has been received indicating construction shall not commence until a permit is issued.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Site, separation distance, and monitoring requirements for new raw water source(s) and underground finished water storage facilities.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Approval required.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The site for each proposed raw water supply source or finished water below-ground level storage facility must be approved by the department prior to the submission of plans and specifications.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Criteria for approval.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A site may be approved by the director if the director concludes that the criteria in this paragraph are met.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Groundwater source. Wells shall be planned and constructed to adapt to the geologic and groundwater conditions of the proposed well site to ensure production of water from the wells that is both microbially safe and free of substances that could cause harmful human health effects. Groundwater wells must meet the following requirements:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Drainage must be directed away from the well in all directions for a minimum radius of 15 feet.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A well site must be separated from contamination sources by the distances specified in Table A at a minimum.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
After the well site has received preliminary approval from the department, the owner of the proposed well must submit proof of legal control of the land for a 200-foot radius around the well, through purchase, lease, easement, ordinance, or other similar means. Proof of legal control must be submitted as part of the construction permit application, prior to construction. The legal control must be maintained by the public water system for the life of the well, and the system must ensure that the siting criteria indicated in Table A are met.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
However, if the proposed well is for an existing noncommunity water system and is replacing an existing well that either does not meet the current standards or is in poor condition, the requirement of 200-foot legal control may be waived by the department provided that:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The proposed well is located on the best available site;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The existing facility does not have adequate land to provide the 200-foot control zone;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The owner has attempted to obtain legal control without success; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
There is no other public water supply available to which the supply could connect.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
4. When the proposed well is located in an existing well field and will withdraw water from the same aquifer as the existing well(s), individual separation distances may be waived if substantial historical data are available indicating that no contamination has resulted.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
No well shall be constructed within the projected plume of any known anthropogenic groundwater contamination without the department’s written approval. The department may allow a well to be constructed within a contamination plume if the applicant can provide adequate treatment to ensure that all drinking water standards are met and that the pumpage of the proposed well will not cause migration of the plume such that it impacts the water quality of other nearby wells. The applicant must demonstrate, using a hydrogeologic model acceptable to the department, that the time of transport is greater than two years for a viral, bacterial, or other microorganism contaminant and greater than ten years for all chemical contaminants. At a minimum, modeling of the projected plume must take into account the proposed pumpage rate of the well. The department may require additional construction standards for these situations to ensure protection of the groundwater from contamination.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
6.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may require that an identification tag be applied to each well and may supply the numbered tag. The responsibility for ensuring that the tag is properly attached to the well is with the certified water well contractor for new wells and with the department for existing wells.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water source. The applicant must submit proof that a proposed surface water source can, through readily available treatment methodology, comply with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 41
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
, and that the raw water source is adequately protected against potential health hazards including, but not limited to, point source discharges, hazardous chemical spills, and the potential sources of contamination listed in Table A.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
After a surface water impoundment has received preliminary approval from the department for use as a raw water source, the owner of the water supply system shall submit proof of legal control through ownership, lease, easement, or other similar means, of contiguous land for a distance of 400 feet from the shoreline at the maximum water level. Legal control shall be for the life of the impoundment and shall control location of sources of contamination within the 400-foot distance. Proof of legal control should be submitted as part of the construction permit application and shall be submitted prior to issuance of a permit to construct.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Below-ground storage facilities. The minimum separation between a below-ground level finished water storage facility and any source of contamination listed in Table A as being 50 feet or more shall be 50 feet. The specific separation distances listed in Table A that are less than 50 feet shall apply to a below-ground level finished water storage facility as indicated in the table.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Separation distances. Greater separation distances may be required where necessary to ensure that no adverse effects to water supplies or the existing environment will result. Lesser separation distances may be considered if detailed justification is provided by the applicant’s engineer showing that no adverse effects will result from a lesser separation distance, and the regional staff recommends approval of the lesser distance. Such exceptions must be based on special construction techniques or localized geologic or hydrologic conditions.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
New source water monitoring requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Water quality monitoring shall be conducted on all new water sources and results submitted to the department prior to placing the new water source into service.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
All sources. Water samples shall be collected from each new water source and analyzed for all appropriate contaminants as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 41
}
}}
{\plain\f4\fs21\cf2\ulc2
consistent with the particular water system classification. If multiple new sources are being added, compositing of the samples (within a single system) shall be allowed in accordance with the composite sampling requirements outlined in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.41.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 41
}
}}
{\plain\f4\fs21\cf2\ulc2
. A single sample may be allowed to meet this requirement, if approved by the department.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Subsequent water testing shall be conducted consistent with the water system’s water supply operation permit monitoring schedule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Groundwater sources. Water samples collected from groundwater sources in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(7)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1) shall be conducted at the conclusion of the drawdown/yield test pumping procedure, with the exception of bacteriological monitoring. Bacteriological monitoring must be conducted after disinfection of each new well and subsequent pumping of the chlorinated water to waste. Water samples must be analyzed for ammonia. Water samples should also be analyzed for alkalinity, pH, calcium, chloride, copper, hardness, iron, magnesium, manganese, potassium, silica, specific conductance, sodium, sulfate, filterable and nonfilterable solids, and zinc.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water sources. Water samples collected from surface water sources in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(7)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1) should be collected prior to the design of the surface water treatment facility and shall be conducted and analyzed prior to utilization of the source. The samples shall be collected during June, July, and August. In addition, quarterly monitoring shall be conducted in March, June, September, and December at a location representative of the raw water at its point of withdrawal. Monitoring shall be for turbidity, alkalinity, pH, calcium, chloride, color, copper, hardness, iron, magnesium, manganese, potassium, silica, specific conductance, sodium, sulfate, filterable and nonfilterable solids, carbonate, bicarbonate, algae (qualitative and quantitative), total organic carbon, five-day biochemical oxygen demand, dissolved oxygen, surfactants, nitrogen series (organic, ammonia, nitrite, and nitrate), and phosphate.
}
\par
\pard\keepn\sb170\qc\sl250
{\plain\f4\fs21\cf2\ulc2
TABLE A: SEPARATION DISTANCES
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
SOURCE OF CONTAMINATION
}
\cell
\pard\intbl\qc\li84\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
REQUIRED MINIMUM LATERAL DISTANCE FROM WELL AS HORIZONTAL ON THE GROUND SURFACE,
}
\par
\pard\intbl\qc\li84\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
IN FEET
}
\cell
\row
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Deep Well
}
{\plain\f4\fs12\cf2\ulc2
1
}
\cell
\pard\intbl\qc\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
Shallow Well
}
{\plain\f4\fs12\cf2\ulc2
1
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li84\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
WASTEWATER STRUCTURES:
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li264\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
Point of Discharge to Ground Surface
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Sanitary & industrial discharges
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Water treatment plant wastes
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
50
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
50
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Well house floor drains
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
5
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
5
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li264\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
Sewers & Drains
}
{\plain\f4\fs12\cf2\ulc2
2
}
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\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Sanitary & storm sewers, drains
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 25 feet: prohibited
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
25 – 75 feet if water main pipe
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
75 – 200 feet if sanitary sewer pipe
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 25 feet: prohibited
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
25 – 75 feet if water main pipe
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
75 – 200 feet if sanitary sewer main pipe
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Sewer force mains
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 75 feet: prohibited
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
75 – 400 feet if water main pipe
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
400 – 1000 feet if sanitary sewer pipe
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 75 feet: prohibited
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
75 – 400 feet if water main pipe
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
400 – 1000 feet if sanitary sewer main pipe
}
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\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Water plant treatment process wastes that are treated onsite
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 5 feet: prohibited
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5 – 50 feet if sanitary sewer pipe
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 5 feet: prohibited
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
5 – 50 feet if sanitary sewer main pipe
}
\cell
\row
\trowd\trleft5
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
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\clpadft3\clpadt80
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\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Water plant wastes to sanitary sewer
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 25 feet: prohibited
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
25 – 75 feet if water main pipe
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
75 – 200 feet if sanitary sewer pipe
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 25 feet: prohibited
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
25 – 75 feet if water main pipe
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
75 – 200 feet if sanitary sewer main pipe
}
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
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\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Well house floor drains to sewers
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 25 feet: prohibited
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
25 – 75 feet if water main pipe
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
75 – 200 feet if sanitary sewer pipe
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 25 feet: prohibited
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
25 – 75 feet if water main pipe
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
75 – 200 feet if sanitary sewer main pipe
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Well house floor drains to surface
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 5 feet: prohibited
}
\par
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5 – 50 feet if sanitary sewer pipe
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
0 – 5 feet: prohibited
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
5 – 50 feet if sanitary sewer main pipe
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li264\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
Land Disposal of Treated Wastes
}
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Irrigation of wastewater
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Land application of solid wastes
}
{\plain\f4\fs12\cf2\ulc2
3
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li264\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
Other
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Cesspools & earth pit privies
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Concrete vaults & septic tanks
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
100
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Lagoons
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
1000
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Mechanical wastewater treatment plants
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Soil absorption fields
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li84\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
CHEMICALS:
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Chemical application to ground surface
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
100
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Chemical & mineral storage above ground
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
100
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Chemical & mineral storage on or under ground
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Transmission pipelines (such as fertilizer, liquid petroleum, or anhydrous ammonia)
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li84\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
ANIMALS:
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Animal pasturage
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
50
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
50
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Animal enclosure
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\qj\li444\ri40\sl180
{\plain\f4\fs16\cf2\ulc2
Earthen silage storage trench or pit
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
100
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li264\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
Animal Wastes
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Land application of liquid or slurry
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Land application of solids
}
\cell
\pard\intbl\qr\li80\ri954\sl180
{\plain\f4\fs16\cf2\ulc2
200
}
\cell
\pard\intbl\qr\li80\ri944\sl180
{\plain\f4\fs16\cf2\ulc2
400
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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Solids stockpile
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200
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400
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Storage basin or lagoon
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400
}
\cell
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{\plain\f4\fs16\cf2\ulc2
1000
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Storage tank
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200
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\cell
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400
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MISCELLANEOUS:
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Basements, pits, sumps
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10
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\cell
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10
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Cemeteries
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{\plain\f4\fs16\cf2\ulc2
200
}
\cell
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{\plain\f4\fs16\cf2\ulc2
200
}
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{\plain\f4\fs16\cf2\ulc2
Cisterns
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{\plain\f4\fs16\cf2\ulc2
50
}
\cell
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{\plain\f4\fs16\cf2\ulc2
100
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Flowing streams or other surface water bodies
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{\plain\f4\fs16\cf2\ulc2
50
}
\cell
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{\plain\f4\fs16\cf2\ulc2
50
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\clpadfr3\clpadr80
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\clpadft3\clpadt80
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{\plain\f4\fs16\cf2\ulc2
GHEX loop boreholes
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\cell
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{\plain\f4\fs16\cf2\ulc2
200
}
\cell
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{\plain\f4\fs16\cf2\ulc2
200
}
\cell
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\clpadfr3\clpadr80
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
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{\plain\f4\fs16\cf2\ulc2
Railroads
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{\plain\f4\fs16\cf2\ulc2
100
}
\cell
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{\plain\f4\fs16\cf2\ulc2
200
}
\cell
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2689
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7373
\pard\intbl\li444\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Private wells
}
\cell
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{\plain\f4\fs16\cf2\ulc2
200
}
\cell
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{\plain\f4\fs16\cf2\ulc2
400
}
\cell
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4977
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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{\plain\f4\fs16\cf2\ulc2
Solid waste landfills and disposal sites
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{\plain\f4\fs12\cf2\ulc2
4
}
\cell
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{\plain\f4\fs16\cf2\ulc2
1000
}
\cell
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{\plain\f4\fs16\cf2\ulc2
1000
}
\cell
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{\plain\f4\fs12\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
Deep and shallow wells, as defined in 567—40.2(455B): A deep well is a well located and constructed in such a manner that there is a continuous layer of low permeability soil or rock at least 5 feet thick located at least 25 feet below the normal ground surface and above the aquifer from which water is to be drawn. A shallow well is a well located and constructed in such a manner that there is not a continuous layer of low permeability soil or rock (or equivalent retarding mechanism acceptable to the department) at least 5 feet thick, the top of which is located at least 25 feet below the normal ground surface and above the aquifer from which water is to be drawn.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
The separation distances are dependent upon two factors: the type of piping that is in the existing sewer or drain, as noted in the table, and that the piping was properly installed in accordance with the standards.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
3
}
{\plain\f4\fs16\cf2\ulc2
Solid wastes are those derived from the treatment of water or wastewater. Certain types of solid wastes from water treatment processes may be land-applied within the separation distance on an individual, case-by-case basis.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
4
}
{\plain\f4\fs16\cf2\ulc2
Solid waste means garbage, refuse, rubbish, and other similar discarded solid or semisolid materials, including but not limited to such materials resulting from industrial, commercial, agricultural, and domestic activities.
}
\par
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{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Drinking water system components.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any drinking water system component which comes into contact with raw, partially treated, or finished water must be suitable for the intended use in a potable water system. The component must be certified by an American National Standards Institute (ANSI) accredited third party for conformance with American National Standards Institute/National Sanitation Foundation (ANSI/NSF) Standard 61 specifications, if such specification exists for the particular product, unless approved components are not reasonably available for use, in accordance with guidance provided by the department. If the component does not meet the ANSI/NSF Standard 61 specifications or no specification is available, the person seeking to supply or use the component must prove to the satisfaction of the department that the component is not toxic or otherwise a potential hazard in a potable public water supply system.
}
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{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(9)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Water treatment filter media material.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
For single media filters, grain sizes up to 0.8 mm effective size may be approved for filters designed to remove constituents other than those contained in the primary drinking water standards. Pilot or full-scale studies demonstrating satisfactory treatment efficiency and operation with the proposed media will be required prior to issuing any construction permits which allow filter media sizes greater than 0.55 mm.
}
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{\plain\f4\fs21\cf2\ulc2
\tab
}
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43.3
}
{\plain\f4\fs21\b\cf2\ulc2
(10)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Best available treatment technology.
}
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{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
BATs for organic compounds.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department identifies as indicated in the table below either granular activated carbon (GAC), packed tower aeration (PTA), or oxidation (OXID) as the best available technology, treatment technique, or other means available for achieving compliance with the maximum contaminant level for organic contaminants identified in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
For the purposes of setting MCLs for synthetic organic chemicals, any BAT must be at least as effective as granular activated carbon.
}
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\par
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ORGANIC CONTAMINANT
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GAC
}
\cell
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{\plain\f4\fs18\cf2\ulc2
PTA
}
\cell
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{\plain\f4\fs18\cf2\ulc2
OXID
}
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Alachlor
}
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Aldicarb
}
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadft3\clpadt80
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\clpadfr3\clpadr80
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\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Aldicarb sulfone
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Aldicarb sulfoxide
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
Atrazine
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Benzene
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Benzo(a)pyrene
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Carbofuran
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
Carbon tetrachloride
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
Chlordane
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
2,4-D
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
Dalapon
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfr3\clpadr80
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
Dibromochloropropane (DBCP)
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfr3\clpadr80
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
o-Dichlorobenzene
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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{\plain\f4\fs18\cf2\ulc2
p-Dichlorobenzene
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1,2-Dichloroethane
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx5143
\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
cis-1,2-Dichloroethylene
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
trans-1,2-Dichloroethylene
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1,1-Dichloroethylene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Dichloromethane
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1,2-Dichloropropane
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Di(2-ethylhexyl)adipate
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Di(2-ethylhexyl)phthalate
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Dinoseb
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Diquat
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Endothall
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Endrin
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Ethylene dibromide (EDB)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Ethylbenzene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Glyphosate
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Heptachlor
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Heptachlor epoxide
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Hexachlorobenzene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Hexachlorocyclopentadiene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Lindane
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Methoxychlor
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Monochlorobenzene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Oxamyl (Vydate)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5143
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6172
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Pentachlorophenol
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4114
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
Picloram
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Polychlorinated biphenyls (PCB)
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\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Simazine
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Styrene
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
2,4,5-TP (Silvex)
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Tetrachloroethylene
}
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
1,2,4-Trichlorobenzene
}
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
1,1,1-Trichloroethane
}
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
1,1,2-Trichloroethane
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
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Trichloroethylene
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x
}
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{\plain\f4\fs18\cf2\ulc2
x
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
2,3,7,8-TCDD (Dioxin)
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{\plain\f4\fs18\cf2\ulc2
x
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Toluene
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{\plain\f4\fs18\cf2\ulc2
x
}
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{\plain\f4\fs18\cf2\ulc2
x
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Toxaphene
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Vinyl chloride
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Xylene
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
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{\plain\f4\fs18\cf2\ulc2
x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\pard\sb180\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
BATs for inorganic compounds and radionuclides.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Inorganic compounds. The department identifies the following as the best technology, treatment techniques, or other means available for achieving compliance with the maximum contaminant levels for the inorganic contaminants listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—paragraph 41.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
}}
{\plain\f4\fs21\cf2\ulc2
except fluoride.
}
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\par
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clbrdrb\brdrs\brdrw10\brdrcf2\cellx3600
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\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
INORGANIC CHEMICAL
}
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{\plain\f4\fs18\cf2\ulc2
BAT(s)
}
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\clpadfr3\clpadr80
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\cellx7200
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{\plain\f4\fs18\cf2\ulc2
Antimony
}
\cell
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{\plain\f4\fs18\cf2\ulc2
2, 7
}
\cell
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
Arsenic
}
{\plain\f4\fs14\cf2\ulc2
d
}
\cell
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{\plain\f4\fs18\cf2\ulc2
1, 2, 5, 6, 7, 9, 11
}
{\plain\f4\fs14\cf2\ulc2
e
}
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
Asbestos
}
\cell
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{\plain\f4\fs18\cf2\ulc2
2, 3, 8
}
\cell
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\clpadfr3\clpadr80
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{\plain\f4\fs18\cf2\ulc2
Barium
}
\cell
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{\plain\f4\fs18\cf2\ulc2
5, 6, 7, 9
}
\cell
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Beryllium
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1, 2, 5, 6, 7
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Cadmium
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
2, 5, 6, 7
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Chromium
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
2, 5, 6
}
{\plain\f4\fs14\cf2\ulc2
b
}
{\plain\f4\fs18\cf2\ulc2
, 7
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Cyanide
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5, 7, 12
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Mercury
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
2
}
{\plain\f4\fs14\cf2\ulc2
a
}
{\plain\f4\fs18\cf2\ulc2
, 4, 6
}
{\plain\f4\fs14\cf2\ulc2
a
}
{\plain\f4\fs18\cf2\ulc2
, 7
}
{\plain\f4\fs14\cf2\ulc2
a
}
\cell
\row
\trowd\trleft0
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Nickel
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5, 6, 7
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Nitrate
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5, 7, 9
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Nitrite
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5, 7
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Selenium
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1, 2
}
{\plain\f4\fs14\cf2\ulc2
c
}
{\plain\f4\fs18\cf2\ulc2
, 6, 7, 9
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3600
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li224\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Thallium
}
\cell
\pard\intbl\li542\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1, 5
}
\cell
\row
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs18\ul\cf2\ulc2
Key to BATs
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2528
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4984
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7440
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
1=Activated Alumina
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
5=Ion Exchange
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
9=Electrodialysis
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2528
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4984
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7440
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
2=Coagulation/Filtration*
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
6=Lime Softening*
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
10=Chlorine
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2528
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4984
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7440
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
3=Direct and Diatomite Filtration
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
7=Reverse Osmosis
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
11=Oxidation/Filtration
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2528
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4984
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7440
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
4=Granular Activated Carbon
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
8=Corrosion Control
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
12=Alkaline Chlorination (pH greater than or equal to 8.5)
}
\cell
\row
\pard\sb160\qj\sl250
{\plain\f4\fs16\cf2\ulc2
*not BAT for systems with less than 500 service connections
}
\par
\pard\qj\sl250
{\plain\f4\fs12\cf2\ulc2
a
}
{\plain\f4\fs16\cf2\ulc2
BAT only if influent Hg concentrations are less than or equal to 10 micrograms/liter.
}
\par
\pard\qj\sl250
{\plain\f4\fs12\cf2\ulc2
b
}
{\plain\f4\fs16\cf2\ulc2
BAT for Chromium III only.
}
\par
\pard\qj\sl250
{\plain\f4\fs12\cf2\ulc2
c
}
{\plain\f4\fs16\cf2\ulc2
BAT for Selenium IV only.
}
\par
\pard\qj\sl250
{\plain\f4\fs12\cf2\ulc2
d
}
{\plain\f4\fs16\cf2\ulc2
BAT for Arsenic V. Preoxidation may be required to convert Arsenic III to Arsenic V.
}
\par
\pard\qj\sl250
{\plain\f4\fs12\cf2\ulc2
e
}
{\plain\f4\fs16\cf2\ulc2
To obtain high removals, iron to arsenic ratio must be at least 20:1.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Small system compliance technologies for arsenic. The department identifies in the following table the affordable technology, treatment techniques, or other means available to systems serving 10,000 or fewer persons for achieving compliance with the arsenic maximum contaminant level.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
SMALL SYSTEM COMPLIANCE TECHNOLOGIES FOR ARSENIC
}
{\plain\f4\fs16\cf2\ulc2
1
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Technology
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Affordable for listed small system categories
}
{\plain\f4\fs14\cf2\ulc2
2
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Activated alumina
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
All size categories
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Coagulation/filtration
}
{\plain\f4\fs14\cf2\ulc2
3
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
501 – 3,300 and 3,301 – 10,000
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Coagulation-assisted microfiltration
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
501 – 3,300 and 3,301 – 10,000
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Electrodialysis reversal
}
{\plain\f4\fs14\cf2\ulc2
4
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
501 – 3,300 and 3,301 – 10,000
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Enhanced coagulation/filtration
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
All size categories
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Enhanced lime softening (pH > 10.5)
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
All size categories
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Ion exchange
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
All size categories
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Lime softening
}
{\plain\f4\fs14\cf2\ulc2
3
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
501 – 3,300 and 3,301 – 10,000
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Oxidation/filtration
}
{\plain\f4\fs14\cf2\ulc2
5
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
All size categories
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3089
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Reverse osmosis
}
{\plain\f4\fs14\cf2\ulc2
4
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
501 – 3,300 and 3,301 – 10,000
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
Technologies are for Arsenic V. Preoxidation may be required to convert Arsenic III to Arsenic V.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
There are three categories of small systems: those serving 25 to 500 people, those serving 501 to 3,300 people, and those serving 3,301 to 10,000 people.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
3
}
{\plain\f4\fs16\cf2\ulc2
Unlikely to be installed solely for arsenic removal. May require pH adjustment to optimal range if high removals are needed.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
4
}
{\plain\f4\fs16\cf2\ulc2
Technologies reject a large volume of water. May not be appropriate for areas where water quantity may be an issue.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
5
}
{\plain\f4\fs16\cf2\ulc2
To obtain high removals, iron to arsenic ratio must be at least 20:1.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Radionuclides.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department identifies in the following table the best available technology for achieving compliance with the radionuclide maximum contaminant levels as indicated.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
RADIONUCLIDE BAT
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Contaminant
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Best Available Technology
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Gross alpha particle activity
}
\par
\pard\intbl\qj\li80\ri90\fi288\sl200
{\plain\f4\fs18\cf2\ulc2
(excluding radon and uranium)
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Reverse osmosis
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Beta particle and photon radioactivity
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Ion exchange, reverse osmosis
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Combined radium-226 and radium-228
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Ion exchange, reverse osmosis, lime softening
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Uranium
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Ion exchange, reverse osmosis, lime softening, coagulation/filtration
}
\cell
\row
\pard\sb180\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Small system compliance technologies. The following technologies are identified as radionuclide BAT for systems serving 10,000 or fewer people.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
RADIONUCLIDES SMALL SYSTEM COMPLIANCE TECHNOLOGIES
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Contaminant
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Compliance Technology
}
{\plain\f4\fs14\cf2\ulc2
a
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Gross alpha particle activity
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
2
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Beta particle and photon radioactivity
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1, 2
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Combined radium-226 and radium-228
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1, 2, 3, 4, 5, 6, 7
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Uranium
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1, 2
}
{\plain\f4\fs14\cf2\ulc2
b
}
{\plain\f4\fs18\cf2\ulc2
, 3
}
{\plain\f4\fs14\cf2\ulc2
b
}
{\plain\f4\fs18\cf2\ulc2
, 8, 9
}
\cell
\row
\pard\plain\f0\fs18
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs12\cf2\ulc2
a
}
{\plain\f4\fs16\cf2\ulc2
Compliance technologies are listed with their corresponding number and potential limitations for use, as follows:
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
1: Ion exchange. The regeneration solution contains high concentrations of the contaminant ions. Disposal options should be carefully considered before choosing this technology.
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
2: Reverse osmosis. Reject water disposal options should be carefully considered before choosing this technology.
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
3: Lime softening. The complexity of the water chemistry may make this technology too complex for small systems.
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
4: Green sand filtration. Removal efficiencies can vary depending on water quality.
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
5: Coprecipitation with barium sulfate. This technology has limited applications to small systems, and is most applicable to systems with sufficiently high sulfate levels that already have a suitable filtration treatment train in place.
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
6: Electrodialysis/electrodialysis reversal.
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
7: Pre-formed hydrous manganese oxide filtration. This technology is most applicable to small systems that have existing filtration technology.
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
8: Activated alumina. The regeneration solution contains high concentrations of the contaminant ions. Disposal options should be carefully considered before choosing this technology. Handling of chemicals required during regeneration and pH adjustment requires an adequately trained operator.
}
\par
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
9: Enhanced coagulation/filtration. This technology assumes that it is a modification to an existing coagulation/filtration process.
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs12\cf2\ulc2
b
}
{\plain\f4\fs16\cf2\ulc2
Not recommended for systems serving 25 to 500 persons.
}
\cell
\row
\pard\sb160\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
BATs for disinfection byproducts and disinfectants.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department identifies the following as the best technology, treatment techniques, or other means available for achieving compliance with the maximum contaminant levels for the disinfection byproducts listed in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.5(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
and the maximum residual disinfectant levels listed in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.5(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2885
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7925
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
DBP
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
MCL or MRDL
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Best Available Technology
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2885
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7925
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bromate MCL
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Control of ozone treatment process to reduce production of bromate
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2885
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7925
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Chlorite MCL
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Control of treatment processes to reduce disinfectant demand and control of disinfection treatment processes to reduce disinfectant levels
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2885
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7925
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
HAA5 and TTHM MCL running annual average
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Enhanced coagulation or enhanced softening or GAC10, with chlorine as the primary and residual disinfectant
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2885
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7925
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
HAA5 and TTHM MCL LRAA
}
\cell
\pard\intbl\qj\li80\ri80\sl200\tx40
{\plain\f4\fs18\cf2\ulc2
•
}
{\plain\f4\fs18\cf2\ulc2
\tab
}
{\plain\f4\fs18\cf2\ulc2
Non-consecutive system: Enhanced coagulation or enhanced softening, plus GAC10; or nanofiltration with a molecular weight cutoff that is less than or equal to 1000 Daltons; or GAC20
}
\par
\pard\intbl\qj\li80\ri80\sl200\tx40
{\plain\f4\fs18\cf2\ulc2
•
}
{\plain\f4\fs18\cf2\ulc2
\tab
}
{\plain\f4\fs18\cf2\ulc2
Consecutive system serving at least 10,000 persons*: Improved distribution system and storage tank management to reduce residence time, plus the use of chloramines for disinfectant residual maintenance
}
\par
\pard\intbl\qj\li80\ri80\sl200\tx40
{\plain\f4\fs18\cf2\ulc2
•
}
{\plain\f4\fs18\cf2\ulc2
\tab
}
{\plain\f4\fs18\cf2\ulc2
Consecutive system serving fewer than 10,000 persons*: Improved distribution system and storage tank management to reduce residence time
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2885
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7925
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
MRDL
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Control of treatment processes to reduce disinfectant demand and control of disinfection treatment processes to reduce disinfectant levels
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
* Applies only to the disinfected water that consecutive systems buy or otherwise receive.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Requirement to install BAT.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department shall require community water systems and nontransient noncommunity water systems to install and use any treatment method identified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(10)
}
}}
{\plain\f4\fs21\cf2\ulc2
as a condition for granting an interim contaminant level except as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“e.”
}
{\plain\f4\fs21\cf2\ulc2
If, after the system’s installation of the treatment method, the system cannot meet the maximum contaminant level, the system shall be eligible for a compliance schedule with an interim contaminant level granted under the provisions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—subrule 42.1(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
and rule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.2(455B)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Engineering assessment option.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If a system can demonstrate through comprehensive engineering assessments, which may at the direction of the department include pilot plant studies, that the treatment methods identified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(10)
}
}}
{\plain\f4\fs21\cf2\ulc2
would only achieve a de minimis reduction in contaminants, the department may issue a schedule of compliance that requires the system being granted the variance to examine other treatment methods as a condition of obtaining the interim contaminant level.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Compliance schedule.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If the department determines that a treatment method identified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(10)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a,” “b,”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
is technically feasible, the department may require the system to install or use that treatment method in connection with a compliance schedule issued under the provisions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—subrule 42.1(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
and rule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.2(455B)
}
}}
{\plain\f4\fs21\cf2\ulc2
. The determination shall be based upon studies by the system and other relevant information.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
g.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Avoidance of unacceptable risk to health (URTH).
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may require a public water system to use bottled water, point-of-use devices, point-of-entry devices or other means as a condition of granting a variance or an exemption, or issuance of a compliance schedule, from the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(10)
}
}}
{\plain\f4\fs21\cf2\ulc2
to avoid an unreasonable risk to health.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12;
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 3735C
}
}}
{\plain\f4\fs16\cf2
, IAB 4/11/18, effective 5/16/18]
}
\par
\pard\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
4
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Certification of completion.
}
{\plain\f4\fs21\b\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Within 30 days after completion of construction, installation or modification of any project, the permit holder shall submit a certification by a licensed professional engineer that the project was completed in accordance with the approved plans and specifications except if the project received a waiver pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.3(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
5
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Filtration and disinfection for surface water and influenced groundwater public water supply systems.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.5
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability/general requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
These rules apply to all public water supply systems using surface water or groundwater under the direct influence of surface water, in whole or in part, and establish criteria under which filtration is required as a treatment technique. In addition, these rules establish treatment technique requirements in lieu of maximum contaminant levels for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
, heterotrophic plate count bacteria,
}
{\plain\f4\fs21\i\cf2\ulc2
Legionella
}
{\plain\f4\fs21\cf2\ulc2
, viruses and turbidity. Each public water system with a surface water source or a groundwater source under the direct influence of surface water must provide treatment of that source water which complies with these treatment technique requirements. Systems which serve at least 10,000 persons must also comply with the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.9
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). Systems which serve fewer than 10,000 persons must also comply with the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.10
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). The treatment technique requirements consist of installing and properly operating water treatment processes which reliably achieve:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
At least 99.9 percent (3-log) removal or inactivation of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
cysts between a point where the raw water is not subject to recontamination by surface water runoff and a point downstream before or at the first customer; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
At least 99.99 percent (4-log) removal or inactivation of viruses between a point where the raw water is not subject to recontamination by surface water runoff and a point downstream before or at the first customer.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Criteria for identification of groundwater under the direct influence of surface water. “Groundwater under the direct influence of surface water” means any water beneath the surface of the ground with: (1) significant occurrence of insects or other macroorganisms, algae, or large-diameter pathogens such as
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
, or (2) significant and relatively rapid shifts in water characteristics such as turbidity (particulate content), temperature, conductivity, or pH which closely correlate to climatological or surface water conditions. Direct influence must be determined for individual sources in accordance with criteria established by the department. The department determination of direct influence may be based on site-specific measurements of water quality or documentation of well construction characteristics and geology with field evaluation. Only surface water and groundwater sources under the direct influence of surface water that are at risk to the contamination from Giardia cysts are subject to the requirements of this rule. Groundwater sources shall not be subject to this rule. The evaluation process shall be used to delineate between surface water, groundwater under the direct influence of surface water and groundwater. The identification of a source as surface water and groundwater under the direct influence of surface water shall be determined for an individual source, by the department, in accordance with the following criteria. The public water supply shall provide to the department that information necessary to make the determination. The evaluation process will involve one or more of the following steps:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Preliminary evaluation. The department shall conduct a preliminary evaluation of information on the source provided by the public water supply to determine if the source is an obvious surface water (e.g., pond, lake, stream) or groundwater under the direct influence of surface water. The source shall be evaluated during that period of highest susceptibility to influence from surface water. The preliminary evaluation may include a review of surveys, reports, geological information of the area, physical properties of the source, and a review of departmental and public water system records. If the source is identified as a surface water, no additional evaluation shall be conducted. If the source is a groundwater and identified as a deep well, it shall be classified as a groundwater not under the direct influence of surface water and no additional evaluation shall be conducted, unless through direct knowledge or documentation the source does not meet the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2). The deep well shall then be evaluated in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3). If the source is a shallow well, the source shall be evaluated in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2). If the source is a spring, infiltration gallery, radial collector well, or any other subsurface source, it shall be evaluated in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Well source evaluation. Shallow wells greater than 50 feet in lateral distance from a surface water source shall be evaluated for direct influence of surface water through a review of departmental or public water system files in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2)“1” and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2)“2.” Sources that meet the criteria shall be considered to be not under the direct influence of surface water. No additional evaluation will be required. Shallow wells 50 feet or less in lateral distance from a surface water shall be in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3) and (4).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Well construction criteria. The well shall be constructed so as to prevent surface water from entering the well or traversing the casing.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Water quality criteria. Water quality records shall indicate:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
No record of total coliform or fecal coliform contamination in untreated samples collected over the past three years.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
No history of turbidity problems associated with the well, other than turbidity as a result of inorganic chemical precipitates.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
No history of known or suspected outbreak of Giardia or other pathogenic organisms associated with surface water (e.g.,
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
) which has been attributed to the well.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Other available data. If data on particulate matter analysis of the well are available, there shall be no evidence of particulate matter present that is associated with surface water. If information on turbidity or temperature monitoring of the well and nearby surface water is available, there shall be no data on the source which correlates with that of a nearby surface water.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Further evaluation. Wells that do not meet all the requirements listed shall require further evaluation in accordance with 43.5(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3) and (4).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Formal evaluation. The evaluation shall be conducted by the department or a licensed professional engineer at the direction of the public water supply. The evaluation shall include:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Complete file review. In addition to the information gathered in 43.5(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1), the complete file review shall consider but not be limited to: design and construction details; evidence of direct surface water contamination; water quality analysis; indications of waterborne disease outbreaks; operational procedures; and customer complaints regarding water quality or water-related infectious illness. Sources other than a well source shall be evaluated in a like manner to include a field survey.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Field survey. A field survey shall substantiate findings of the complete file review and determine if the source is at risk to pathogens from direct surface water influence. The field survey shall examine the following criteria for evidence that surface water enters the source through defects in the source which include but are not limited to: a lack of a surface seal on wells, infiltration gallery laterals exposed to surface water, springs open to the atmosphere, surface runoff entering a spring or other collector, and distances to obvious surface water sources.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
A report summarizing the findings of the complete file review and field survey shall be submitted to the department for final review and classification of the source. If the complete file review or field survey demonstrates conclusively that the source is subject to the direct surface water influence, the source shall be classified as under the direct influence of surface water. Either method or both may be used to demonstrate that the source is a surface water or groundwater under the direct influence of surface water. If the findings do not demonstrate conclusive evidence of direct influence of surface water, the analysis outlined in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(4) should be conducted.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Particulate analysis and physical properties evaluation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water indicators. Particulate analysis shall be conducted to identify organisms which only occur in surface waters as opposed to groundwaters, and whose presence in a groundwater would indicate the direct influence of surface water.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Identification of a Giardia cyst, live diatoms, and blue-green, green, or other chloroplast containing algae in any source water shall be considered evidence of direct surface water influence.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Rotifers and insect parts are indicators of surface water. Without knowledge of which species is present, the finding of rotifers indicates that the source is either directly influenced by surface water, or the water contains organic matter sufficient to support the growth of rotifers. Insects or insect parts shall be considered strong evidence of surface water influence, if not direct evidence.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The presence of coccidia (e.g.,
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
) in the source water is considered a good indicator of direct influence of surface water. Other macroorganisms (greater than 7 um) which are parasitic to animals and fish such as, but not limited to, helminths (e.g., tapeworm cysts), ascaris, and Diphyllobothrium, shall be considered as indicators of direct influence of surface water.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Physical properties. Turbidity, temperature, pH and conductivity provide supportive, but less direct, evidence of direct influence of surface water. Turbidity fluctuations of greater than 0.5-1.0 NTU over the course of a year may be indicative of direct influence of surface water. Temperature fluctuations may also indicate surface water influence. Changes in other chemical parameters such as pH, conductivity, or hardness may also give an indirect indication of influence by nearby surface water.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Compliance. A public water system using a surface water source or a groundwater source under the direct influence of surface water is considered to be in compliance with the requirements of this subrule if it meets the filtration requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
and the disinfection requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
in accordance with the effective dates specified within the respective subrules.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Certified operator requirement. Each public water system using a surface water source or a groundwater source under the direct influence of surface water must be operated by a certified operator who meets the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.5
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
All community and noncommunity public water supply systems using surface water or groundwater under the direct influence of surface water in whole or in part shall be required to provide disinfection in compliance with this subrule and filtration in compliance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
. If the department has determined that filtration is required, the system must comply with any interim disinfection requirements the department deems necessary before filtration is installed. A system providing filtration on or before December 30, 1991, must meet the disinfection requirements of this subrule beginning June 29, 1993. A system providing filtration after December 30, 1991, must meet the disinfection requirements of this subrule when filtration is installed. Failure to meet any requirement of this subrule after the applicable date specified in this subrule is a treatment technique violation. The disinfection requirements are as follows:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection treatment criteria.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The disinfection treatment must be sufficient to ensure that the total treatment processes of that system achieve at least 99.9 percent (3-log) inactivation or removal of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
cysts and at least 99.99 percent (4-log) inactivation or removal of viruses, acceptable to the department. At least 0.5 log inactivation of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
cysts must be achieved through disinfection treatment using a chemical disinfectant even if the required inactivation or removal is met or exceeded through physical treatment processes. Each system is required to calculate the total inactivation ratio (CT
}
{\plain\f4\fs14\cf2\ulc2
calculated
}
{\plain\f4\fs21\cf2\ulc2
/CT
}
{\plain\f4\fs14\cf2\ulc2
required
}
{\plain\f4\fs21\cf2\ulc2
) each day the treatment plant is in operation. The system’s total inactivation ratio must be equal to or greater than 1.0 in order to ensure that the minimum inactivation and removal requirements have been achieved. If the system’s total inactivation ratio for the day is below 1.0, the system must notify the department within 24 hours.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection system.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The disinfection system must include:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Redundant components, including an auxiliary power supply with automatic start-up and alarm to ensure that disinfectant application is maintained continuously while water is being delivered to the distribution system, or
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Automatic shutoff of delivery of water to the distribution system whenever there is less than 0.3 mg/L of residual disinfectant concentration in the water. If the department determines that automatic shutoff would cause unreasonable risk to health or interfere with fire protection, the system must comply with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Residual disinfectant entering system.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The residual disinfectant concentration in the water entering the distribution system, measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(5) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2), cannot be less than 0.3 mg/L free residual or 1.5 mg/L total residual chlorine for more than four hours.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Residual disinfectant in the system.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The residual disinfectant concentration in the distribution system, measured as total chlorine, combined chlorine, or chlorine dioxide, as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(5) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2), cannot be undetectable in more than 5 percent of the samples each month for any two consecutive months that the system serves water to the public. Water within the distribution system with a heterotrophic plate count bacteria concentration less than or equal to 500/mL, measured as heterotrophic plate count (HPC) as specified in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.2(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e,”
}
{\plain\f4\fs21\cf2\ulc2
is deemed to have a detectable disinfectant residual for purposes of determining compliance with this requirement. Therefore, the value “V” in the following formula cannot exceed 5 percent in one month for any two consecutive months.
}
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V
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{\plain\f4\fs18\cf2\ulc2
=
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\cell
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{\plain\f4\fs32\cf2\ulc2
[
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c + d + e
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{\plain\f4\fs32\cf2\ulc2
]
}
\cell
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×
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100
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\cell
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a + b
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\cell
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\cell
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{\plain\f4\fs21\cf2\ulc2
where:
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\pard\plain\f0\fs21
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
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\cellx482
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{\plain\f4\fs21\cf2\ulc2
a =
}
\cell
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number of instances in which the residual disinfectant concentration is measured;
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\cell
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b =
}
\cell
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{\plain\f4\fs21\cf2\ulc2
number of instances in which the residual disinfectant concentration is not measured but heterotrophic plate count bacteria (HPC) is measured;
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\clpadfb3\clpadb80
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{\plain\f4\fs21\cf2\ulc2
c =
}
\cell
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{\plain\f4\fs21\cf2\ulc2
number of instances in which the residual disinfectant concentration is measured but not detected and no HPC is measured;
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\cell
\row
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\clpadft3\clpadt80
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{\plain\f4\fs21\cf2\ulc2
d =
}
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{\plain\f4\fs21\cf2\ulc2
number of instances in which no residual disinfectant concentration is detected and where the HPC is greater than 500/mL; and
}
\cell
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\clpadft3\clpadt80
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{\plain\f4\fs21\cf2\ulc2
e =
}
\cell
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{\plain\f4\fs21\cf2\ulc2
number of instances in which the residual disinfectant concentration is not measured and HPC is greater than 500/mL.
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\cell
\row
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{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.5
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water system that uses a surface water source or a groundwater source under the direct influence of surface water must provide treatment consisting of both disinfection, as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
, and filtration treatment which complies with the turbidity requirements of subrules
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
,
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
, and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
. A system providing or required to provide filtration on or before December 30, 1991, must meet the requirements of this subrule by June 29, 1993. A system providing or required to provide filtration after December 30, 1991, must meet the requirements of this subrule when filtration is installed. Beginning January 1, 2002, systems serving at least 10,000 people must meet the turbidity requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.9
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). Beginning January 1, 2005, systems serving fewer than 10,000 people must meet the turbidity requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.10
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). A system shall install filtration within 18 months after the department determines, in writing, that filtration is required. The department may require and the system shall comply with any interim turbidity requirements the department deems necessary. Failure to meet any requirements of the referenced subrules after the dates specified is a treatment technique violation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Conventional filtration treatment or direct filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For systems using conventional filtration or direct filtration, the turbidity level of representative samples of a system’s filtered water must be less than or equal to 0.5 nephelometric turbidity units (NTU) in at least 95 percent of the measurements taken each month when measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity level of representative samples of a system’s filtered water must at no time exceed 5 NTU when measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Slow sand filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For systems using slow sand filtration, the turbidity level of representative samples of a system’s filtered water must be less than or equal to 1 NTU in at least 95 percent of the measurements taken each month when measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity level of representative samples of a system’s filtered water must at no time exceed 5 NTU when measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Diatomaceous earth filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For systems using diatomaceous earth filtration, the turbidity level of representative samples of a system’s filtered water must be less than or equal to 1 NTU in at least 95 percent of the measurements taken each month when measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity level of representative samples of a system’s filtered water must at no time exceed 5 NTU when measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Other filtration technologies.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water system may use either a filtration technology not listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
or a filtration technology listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
at a higher turbidity level if it demonstrates to the department through a preliminary report submitted by a licensed professional engineer, using pilot plant studies or other means, that the alternative filtration technology in combination with disinfection treatment that meets the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
consistently achieves 99.9 percent removal or inactivation of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and 99.99 percent removal or inactivation of viruses. For a system that uses alternative filtration technology and makes this demonstration, the turbidity treatment technique requirements are as follows:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity level of representative samples of a system’s filtered water must be less than or equal to 1 NTU in at least 95 percent of the measurements taken each month when measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity level of representative samples of a system’s filtered water must at no time exceed 5 NTU when measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Beginning January 1, 2002, systems serving at least 10,000 people must meet the requirements for other filtration technologies in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Beginning January 1, 2005, systems serving fewer than 10,000 people must meet the requirements for other filtration technologies in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.10(455B)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.5
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Analytical and monitoring requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Analytical requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Only the analytical method(s) specified in this paragraph, or otherwise approved by the department, may be used to demonstrate compliance with the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
. Measurements for pH, temperature, turbidity, and residual disinfectant concentrations must be conducted by a Grade II, III or IV operator meeting the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
, any person under the supervision of a Grade II, III or IV operator meeting the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
, or a laboratory certified by the department to perform analysis under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.83.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 83
}
}}
{\plain\f4\fs21\cf2\ulc2
. For consecutive public water supplies from a surface water or groundwater under the direct influence of surface water system, the disinfectant concentration analyses must be conducted by a certified operator who meets the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
. Measurements for heterotrophic plate count bacteria must be conducted by a laboratory certified by the department to do such analysis.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity analytical methodology. Turbidity analysis shall be conducted using the methodology in the following table. Each turbidimeter must be calibrated at least once every 90 days with a primary standard. The calibration of each turbidimeter used for compliance must be verified at least once per week with a primary standard, secondary standards, or the manufacturer’s proprietary calibration confirmation device or by a method approved by the department. If the verification is not within plus or minus 0.05 NTU for measurements of less than or equal to 0.5 NTU, or within plus or minus 10 percent of measurements greater than 0.5 NTU, the turbidimeter must be recalibrated.
}
\par
\pard\plain\f0\fs18
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\~
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Analytical Method
}
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{\plain\f4\fs18\cf2\ulc2
Methodology
}
\cell
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{\plain\f4\fs18\cf2\ulc2
EPA
}
\cell
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{\plain\f4\fs18\cf2\ulc2
SM
}
\cell
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{\plain\f4\fs18\cf2\ulc2
GLI
}
\cell
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{\plain\f4\fs18\cf2\ulc2
HACH
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Other
}
\cell
\row
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\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2959
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4327
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5695
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7207
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8619
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Nephelometric
}
{\plain\f4\fs14\cf2\ulc2
5
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
180.1
}
{\plain\f4\fs14\cf2\ulc2
1
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
2130B
}
{\plain\f4\fs14\cf2\ulc2
2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Method 2
}
{\plain\f4\fs14\cf2\ulc2
3
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
FilterTrak 10133
}
{\plain\f4\fs14\cf2\ulc2
4
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1591
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2959
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4327
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5695
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7207
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8619
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Laser Nephelometry (online)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200\tx40
{\plain\f4\fs18\cf2\ulc2
Mitchell M5271
}
{\plain\f4\fs14\cf2\ulc2
6
}
{\plain\f4\fs18\cf2\ulc2
; Mitchell M5331 Rev.
}
{\plain\f4\fs18\cf2\ulc2
\tab
}
{\plain\f4\fs18\cf2\ulc2
1.2
}
{\plain\f4\fs14\cf2\ulc2
10
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2959
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4327
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5695
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7207
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8619
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
LED Nephelometry (online)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200\tx40
{\plain\f4\fs18\cf2\ulc2
Mitchell M5331
}
{\plain\f4\fs14\cf2\ulc2
7
}
{\plain\f4\fs18\cf2\ulc2
; Mitchell M5331 Rev.
}
{\plain\f4\fs18\cf2\ulc2
\tab
}
{\plain\f4\fs18\cf2\ulc2
1.2
}
{\plain\f4\fs14\cf2\ulc2
10
}
{\plain\f4\fs18\cf2\ulc2
; AMI Turbiwell
}
{\plain\f4\fs14\cf2\ulc2
9
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1591
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2959
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4327
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5695
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7207
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8619
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
LED Nephelometry (portable)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Orion AQ4500
}
{\plain\f4\fs14\cf2\ulc2
8
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1591
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2959
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4327
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5695
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7207
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8619
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
360-degree
}
\par
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Nephelometry
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Hach Method 10258
}
{\plain\f4\fs14\cf2\ulc2
11
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
“Methods for the Determination of Inorganic Substances in Environmental Samples,” EPA-600/R-93-100, August 1993. Available at NTIS, PB94-121811.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
Standard Methods for the Examination of Water and Wastewater, 18th edition, 1992, 19th edition, 1995, 20th edition, 1998, 21st edition, 2005, and 22nd edition, 2012 (any of these editions may be used), American Public Health Association, 800 I Street, NW, Washington, DC 20001-3710.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
3
}
{\plain\f4\fs16\cf2\ulc2
GLI Method 2, “Turbidity,” November 2, 1992, Great Lakes Instruments, Inc., 8855 North 55th Street, Milwaukee, WI 53223.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
4
}
{\plain\f4\fs16\cf2\ulc2
Hach FilterTrak Method 10133, “Determination of Turbidity by Laser Nephelometry,” January 2000, Revision 2.0, Hach Co., P.O. Box 389, Loveland, CO 80539-0389, telephone (800)227-4224.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
5
}
{\plain\f4\fs16\cf2\ulc2
Styrene divinyl benzene beads (e.g., AMCO-AEPA-1 or equivalent) and stabilized formazin (e.g., Hach StablCal
}
{\plain\f4\fs12\cf2\ulc2
TM
}
{\plain\f4\fs16\cf2\ulc2
or equivalent) are acceptable substitutes for formazin.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
6
}
{\plain\f4\fs16\cf2\ulc2
Mitchell Method M5271, Revision 1.1. “Determination of Turbidity by Laser Nephelometry,” March 5, 2009. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
or from Leck Mitchell, 656 Independence Valley Drive, Grand Junction, CO 81507.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
7
}
{\plain\f4\fs16\cf2\ulc2
Mitchell Method M5331, Revision 1.1. “Determination of Turbidity by LED Nephelometry,” March 5, 2009. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
or from Leck Mitchell, 656 Independence Valley Drive, Grand Junction, CO 81507.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
8
}
{\plain\f4\fs16\cf2\ulc2
Orion Method AQ4500, Revision 1.0. “Determination of Turbidity by LED Nephelometry,” May 8, 2009. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
or from Thermo Scientific, 166 Cummings Center, Beverly, MA 01915,
}
{\field{\*\fldinst HYPERLINK "http://www.thermo.com"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.thermo.com
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
9
}
{\plain\f4\fs16\cf2\ulc2
AMI Turbiwell, “Continuous Measurement of Turbidity Using a SWAN AMI Turbiwell Turbidimeter,” August 2009. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
or from Markus Bernasconi, SWAN Analytische Instrumente AG, Studbachstrasse 13, CH-8340 Hinwil, Switzerland.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
10
}
{\plain\f4\fs16\cf2\ulc2
Mitchell Method M5331, Revision 1.2. “Determination of Turbidity by LED or Laser Nephelometry,” February 2016. Available from Leck Mitchell, 656 Independence Valley Drive, Grand Junction, CO 81507.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
11
}
{\plain\f4\fs16\cf2\ulc2
Hach Company. “Hach Method 10258 – Determination of Turbidity by 360-Degree Nephelometry,” January 2016. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.hach.com"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.hach.com
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Temperature analytical methodology. The temperature shall be determined in compliance with the methodology listed in 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
pH (hydrogen ion concentration) analytical methodology. The pH shall be determined in compliance with the methodology listed in 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Heterotrophic plate count bacteria analytical methodology. The heterotrophic plate count bacteria sampling and analysis shall be conducted in compliance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—subrule 41.2(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
{\plain\f4\fs21\cf2\ulc2
The time from sample collection to initiation of analysis shall not exceed eight hours, and the samples must be held below 10 degrees C during transit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Residual disinfectant analytical methodology. The residual disinfectant concentrations shall be determined in compliance with one of the analytical methods in the following table. Residual disinfectant concentrations for free chlorine and combined chlorine may also be measured by using DPD colorimetric test kits. Free and total chlorine residuals may be measured continuously by adapting a specified chlorine residual method for use with a continuous monitoring instrument provided the chemistry, accuracy and precision remain the same. Instruments used for continuous monitoring must be verified with a grab sample measurement at least every seven days. The analyzer concentration must be within plus or minus 0.1 mg/L or plus or minus 15 percent (whichever is larger) of the grab sample measurement. If the verification is not within this range, immediate actions must be taken to resolve the issue and another verification must be conducted.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Disinfectant Analytical Methodology
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Residual
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Methodology
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Standard Methods
}
{\plain\f4\fs14\cf2\ulc2
1,2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Standard Methods Online
}
{\plain\f4\fs14\cf2\ulc2
6
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Other
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfb3\clpadb80
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\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
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\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
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\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Free chlorine
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Amperometric Titration
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl D
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl D-00
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
D1253-03
}
{\plain\f4\fs14\cf2\ulc2
4
}
{\plain\f4\fs18\cf2\ulc2
, 08, 14
}
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\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
\clvertalt
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\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
DPD Ferrous Titrimetric
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl F
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl F-00
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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\clpadfr3\clpadr80
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\clpadfr3\clpadr80
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\clpadfr3\clpadr80
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\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
DPD Colorimetric
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl G
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl G-00
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Hach Method 10260
}
{\plain\f4\fs14\cf2\ulc2
10
}
\cell
\row
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1423
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Syringaldazine (FACTS)
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl H
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl H-00
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1423
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Online Chlorine Analyzer
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
EPA 334.0
}
{\plain\f4\fs14\cf2\ulc2
7
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1423
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Amperometric Sensor
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
ChloroSense
}
{\plain\f4\fs14\cf2\ulc2
8
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1423
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Indophenol Colorimetric
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Hach Method 10241
}
{\plain\f4\fs14\cf2\ulc2
11
}
\cell
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\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Total chlorine
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Amperometric Titration
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl D
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl D-00
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
D1253-03
}
{\plain\f4\fs14\cf2\ulc2
4
}
{\plain\f4\fs18\cf2\ulc2
, 08, 14
}
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Amperometric Titration (low-level measurement)
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl E
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl E-00
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1423
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
DPD Ferrous Titrimetric
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl F
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl F-00
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1423
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
DPD Colorimetric
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl G
}
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4500-Cl G-00
}
\cell
\pard\intbl\qj\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Hach Method 10260
}
{\plain\f4\fs14\cf2\ulc2
10
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1423
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7405
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx9587
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx11769
\pard\intbl
\cell
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Iodometric Electrode
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4500-Cl I
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4500-Cl I-00
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\~
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Online Chlorine Analyzer
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
\~
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EPA 334.0
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7
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Amperometric Sensor
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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ChloroSense
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8
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Chlorine dioxide
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Amperometric Titration
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4500-ClO
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2
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{\plain\f4\fs18\cf2\ulc2
C
}
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4500-C10
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2
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C-00
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\~
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{\plain\f4\fs18\cf2\ulc2
DPD Method
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4500-ClO
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{\plain\f4\fs14\cf2\ulc2
2
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{\plain\f4\fs18\cf2\ulc2
D
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
Amperometric Titration
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4500-ClO
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2
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E
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4500-C10
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2
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E-00
}
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{\plain\f4\fs18\cf2\ulc2
\~
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{\plain\f4\fs18\cf2\ulc2
Amperometric Sensor
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
ChlordioX Plus
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{\plain\f4\fs14\cf2\ulc2
9
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{\plain\f4\fs18\cf2\ulc2
Spectrophotometric
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs18\cf2\ulc2
\~
}
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{\plain\f4\fs18\cf2\ulc2
327.0, Revision 1.1
}
{\plain\f4\fs14\cf2\ulc2
5
}
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{\plain\f4\fs18\cf2\ulc2
Ozone
}
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{\plain\f4\fs18\cf2\ulc2
Indigo method
}
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{\plain\f4\fs18\cf2\ulc2
4500-O
}
{\plain\f4\fs14\cf2\ulc2
3
}
{\plain\f4\fs18\cf2\ulc2
B
}
{\plain\f4\fs14\cf2\ulc2
3
}
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4500-O
}
{\plain\f4\fs14\cf2\ulc2
3
}
{\plain\f4\fs18\cf2\ulc2
B-97
}
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{\plain\f4\fs18\cf2\ulc2
\~
}
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\pard\sb180\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
Standard Methods for the Examination of Water and Wastewater, 18th edition, 1992, 19th edition, 1995, 20th edition, 1998, 21st edition, 2005, or 22nd edition, 2012 (any of these editions may be used), American Public Health Association, 800 I Street, NW, Washington, DC 20001-3710. Only the 18th, 19th, and 20th editions may be used for chlorine dioxide Method 4500-ClO
}
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
D.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
Other analytical test procedures are contained within Technical Notes on Drinking Water Methods, EPA-600/R-94-173, October 1994, which is available as NTIS PB95-104766.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
3
}
{\plain\f4\fs16\cf2\ulc2
Standard Methods for the Examination of Water and Wastewater, 18th edition (1992), 19th edition (1995), 21st edition (2005), and 22nd edition (2012) ( any edition may be used); American Public Health Association, 800 I Street, NW, Washington, DC 20001-3710.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
4
}
{\plain\f4\fs16\cf2\ulc2
Annual Book of ASTM Standards, Vol. 11.01, 2004; ASTM International; any year containing the cited version of the method may be used. Copies of this method may be obtained from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
5
}
{\plain\f4\fs16\cf2\ulc2
EPA Method 327.0, Revision 1.1, “Determination of Chlorine Dioxide and Chlorite Ion in Drinking Water Using Lissamine Green B and Horseradish Peroxidase with Detection by Visible Spectrophotometry,” US EPA, May 2005, EPA 815-R-05-008. Available online at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
6
}
{\plain\f4\fs16\cf2\ulc2
Standard Methods Online is available at
}
{\field{\*\fldinst HYPERLINK "http://www.standardmethods.org"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.standardmethods.org
}
}}
{\plain\f4\fs16\cf2\ulc2
. The year in which each method was approved by the Standard Methods Committee is designated by the last two digits in the method number. The methods listed are the only online versions that may be used.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
7
}
{\plain\f4\fs16\cf2\ulc2
EPA Method 334.0, “Determination of Residual Chlorine in Drinking Water Using an On-Line Chlorine Analyzer,” August 2009. EPA 815-B-09-013. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
8
}
{\plain\f4\fs16\cf2\ulc2
ChloroSense, “Measurement of Free and Total Chlorine in Drinking Water by Palintest ChloroSense,” September 2009. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
or from Palintest Ltd., 21 Kenton Lands Road, P.O. Box 18395, Erlanger, KY 41018.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
9
}
{\plain\f4\fs16\cf2\ulc2
ChlordioX Plus. “Chlorine Dioxide and Chlorite in Drinking Water by Amperometry Using Disposable Sensors,” November 2013. Available from Palintest Ltd., Jamike Avenue (Suite 100), Erlanger, KY 41018.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
10
}
{\plain\f4\fs16\cf2\ulc2
Hach Company. “Hach Method 10260 – Determination of Chlorinated Oxidants (Free and Total) in Water Using Disposable Planar Reagent-Filled Cuvettes and Mesofluidic Channel Colorimetry,” April 2013. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.hach.com"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.hach.com
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
11
}
{\plain\f4\fs16\cf2\ulc2
Hach Company. “Hach Method 10241 – Spectophotometric Measurement of Free Chlorine in Finished Drinking Water,” November 2015, Revision 1.2. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.hach.com"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.hach.com
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Monitoring requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water system that uses a surface water source or groundwater source under the influence of surface water must monitor in accordance with this paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Routine turbidity monitoring requirements. Turbidity measurements as required by 43.5(3) must be performed on representative samples of the system’s filtered water every four hours (or more frequently as long as measurements are recorded at equal time intervals and detailed in the turbidity protocol) that the system serves water to the public. A public water system may substitute continuous turbidity monitoring for grab sample monitoring or may monitor more frequently than every four hours if it validates the continuous measurement for accuracy on a regular basis using a turbidity protocol approved by the department and audited for compliance during sanitary surveys. Major elements of the protocol shall include, but are not limited to: sample measurement location, method of calibration, calibration frequency, calibration standards, method of verification, verification frequency, documentation, data collection, data recording frequency, and data reporting. For any systems using slow sand filtration or filtration treatment other than conventional treatment, direct filtration, or diatomaceous earth filtration, the department may reduce the sampling frequency to once per day if it determines that less frequent monitoring is sufficient to indicate effective filtration performance. For systems serving 500 or fewer persons, the department may reduce the turbidity sampling frequency to once per day, regardless of the type of filtration treatment used, if the department determines that less frequent monitoring is sufficient to indicate effective filtration performance. Approval shall be based upon documentation provided by the system, acceptable to the department and pursuant to the conditions of an operation permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity monitoring requirements for population greater than 100,000. A supplier of water serving a population or population equivalent of greater than 100,000 persons shall provide a continuous or rotating cycle turbidity monitoring and recording device or take hourly grab samples to determine compliance with 43.5(3). The system must meet the requirements in 43.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1)“1,” including the turbidity protocol.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Failure of the continuous turbidity monitoring equipment. If there is a failure in the continuous turbidity monitoring equipment, the system must conduct grab sampling every four hours in lieu of continuous monitoring until the turbidimeter is repaired and back online. A system has a maximum of five working days after failure to repair the equipment or else the system is in violation. The system must notify the department within 24 hours of both when the turbidimeter was taken offline and when it was returned online.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Residual disinfectant.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Residual disinfectant entering the system. The residual disinfectant concentration of the water entering the distribution system shall be monitored continuously, and the lowest value recorded each day, except that if there is a failure in the continuous monitoring equipment, grab sampling every four hours may be conducted in lieu of continuous monitoring, but not to exceed five working days following the failure of the equipment. If acceptable to the department, systems serving 3,300 or fewer persons may take grab samples in lieu of providing continuous monitoring on an ongoing basis at the frequencies prescribed below:
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Residual Disinfectant Samples Required of Surface Water or IGW PWS
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trhdr
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{\plain\f4\fs18\cf2\ulc2
System size (persons served)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Samples per day*
}
\cell
\row
\trowd\trleft5
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\pard\intbl\qj\li881\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
500 or fewer
}
\cell
\pard\intbl\qj\li80\ri80\fi963\sl200
{\plain\f4\fs18\cf2\ulc2
1
}
\cell
\row
\trowd\trleft5
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\qj\li881\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
501 to 1,000
}
\cell
\pard\intbl\qj\li80\ri80\fi963\sl200
{\plain\f4\fs18\cf2\ulc2
2
}
\cell
\row
\trowd\trleft5
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\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2847
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\qj\li881\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
1,001 to 2,500
}
\cell
\pard\intbl\qj\li80\ri80\fi963\sl200
{\plain\f4\fs18\cf2\ulc2
3
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2847
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\qj\li881\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
2,501 to 3,300
}
\cell
\pard\intbl\qj\li80\ri80\fi963\sl200
{\plain\f4\fs18\cf2\ulc2
4
}
\cell
\row
\pard\plain\f0\fs18
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs14\cf2\ulc2
*When more than one grab sample is required per day, the day’s samples cannot be taken at the same time. The sampling intervals must be at a minimum of four-hour intervals.
}
\cell
\row
\pard\sb160\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If at any time the disinfectant concentration falls below 0.3 mg/L free residual or 1.5 mg/L total residual chlorine in a system using grab sampling in lieu of continuous monitoring, the system shall take a grab sample every four hours until the residual disinfectant concentration is equal to or greater than 0.3 mg/L free residual or 1.5 mg/L total residual chlorine.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Residual disinfectant in the system. The residual disinfectant concentration must be measured at least daily in the distribution system. Residual disinfectant measurements that are required as part of the total coliform bacteria sample collection under 567—subparagraph 41.2(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(7) shall be used to satisfy this requirement on the day(s) when a bacteria sample(s) is collected. The department may allow a public water system that uses both a groundwater source and a surface water source or a groundwater source under direct influence of surface water to take residual disinfectant samples at points other than the total coliform sampling points, if these points are included as a part of the coliform sample site plan meeting the requirements of 567—paragraph 41.2(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“1” and if the department determines that such points are representative of treated (disinfected) water quality within the distribution system. Heterotrophic plate count bacteria (HPC) may be measured in lieu of residual disinfectant concentration, using the analytical methods specified in 567—subparagraph 41.2(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
(1). The time from sample collection to initiation of analysis shall not exceed eight hours. HPC samples must be kept below 10 degrees C during transit to the laboratory. All HPC samples must be analyzed by a department-certified laboratory meeting the requirements of 567—Chapter 83.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.5
}
{\plain\f4\fs21\b\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Public water supplies shall report the results of routine monitoring required to demonstrate compliance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.5(455B)
}
}}
{\plain\f4\fs21\cf2\ulc2
and treatment technique violations as follows:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Waterborne disease outbreak.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Each system, upon discovering that a waterborne disease outbreak potentially attributable to that water system has occurred, must report that occurrence to the department as soon as possible, but no later than by the end of the next business day.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Turbidity exceeds 5 NTU.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If at any time the turbidity exceeds 5 NTU, the system must inform the department as soon as possible, but no later than 24 hours after the exceedance is known, in accordance with the public notification requirements under 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.1(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Residual disinfectant entering distribution system below 0.3 mg/L free residual chlorine or 1.5 mg/L total residual chlorine.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If at any time the residual falls below 0.3 mg/L free residual chlorine or 1.5 mg/L total residual chlorine in the water entering the distribution system, the system must notify the department as soon as possible, but no later than by the end of the next business day. The system also must notify the department by the end of the next business day whether or not the residual was restored to at least 0.3 mg/L free residual chlorine or 1.5 mg/L total residual chlorine within four hours.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Routine monitoring reporting requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Routine monitoring results shall be provided as part of the monthly operation reports in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—40.3(455B)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—subrule 42.4(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Total inactivation ratio below 1.0.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If the system’s total inactivation ratio for the day is below 1.0, the system must notify the department within 24 hours.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.5
}
{\plain\f4\fs21\b\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Filter backwash recycle provisions.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
All surface water or influenced groundwater systems that employ conventional filtration or direct filtration treatment and that recycle spent filter backwash water, thickener supernatant, or liquids from dewatering processes must meet the requirements of this subrule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A system must notify the department in writing by December 8, 2003, if the system recycles spent filter backwash water, thickener supernatant, or liquids from dewatering processes. This notification must include the following information at a minimum:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A plan schematic showing the origin of all flows which are recycled (including, but not limited to, spent filter backwash water, thickener supernatant, and liquids from dewatering processes), the hydraulic conveyance used to transport them, and the location where they are reintroduced back into the treatment plant.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Typical recycle flow in gallons per minute (gpm), the highest observed plant flow experience in the previous year (in gpm), design flow for the treatment plant (in gpm), the minimum plant rate (in gpm) during which the filter backwash will be recycled, and department-approved operating capacity for the plant where the department has made such determinations.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment technique requirement.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any system that recycles spent filter backwash water, thickener supernatant, or liquids from dewatering processes must return these flows through the processes of a system’s existing conventional or direct filtration system as defined in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—40.2
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B) or at an alternate location approved by the department by June 8, 2004. However, if capital improvements are required to modify the recycle location to meet this requirement, all capital improvements must be completed no later than June 8, 2006.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Record keeping.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The system must collect and retain on file the recycle flow information specified below for review and evaluation by the department beginning June 8, 2004.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A copy of the recycle notification and information submitted to the department under paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
of this subrule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A list of all recycle flows and the frequency with which they are returned.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The average and maximum backwash flow rate through the filters and the average and maximum duration of the filter backwash process in minutes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The typical filter run length and a written summary of how filter run length is determined.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The type of treatment provided for the recycle flow.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Data on the physical dimensions of the equalization and treatment units, typical and maximum hydraulic loading rates, type of treatment chemicals used including average dose and frequency of use, and frequency at which solids are removed, if applicable.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12;
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 3735C
}
}}
{\plain\f4\fs16\cf2
, IAB 4/11/18, effective 5/16/18]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
6
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Residual disinfectant and disinfection byproduct precursors.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.6
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Residual disinfectant.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
CWS and NTNC systems. This rule establishes criteria under which CWS and NTNC public water supply systems that add a chemical disinfectant to the water in any part of the drinking water treatment process or that provide water that contains a chemical disinfectant must modify their practices to meet the MCLs listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—41.6
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B), the maximum residual disinfectant levels (MRDL) listed in this subrule, and treatment technique requirements for disinfection byproduct precursors listed in subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
TNC systems with chlorine dioxide disinfection. This rule establishes criteria under which TNC public water supply systems that use chlorine dioxide as a disinfectant or oxidant must modify their practices to meet the chlorine dioxide MRDL listed in paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Compliance dates. Compliance dates for this rule are based upon the source water type and the population served. Systems are required to comply with this rule as follows, unless otherwise noted:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water and IGW CWS and NTNC. CWS and NTNC systems using surface water or groundwater under the direct influence of surface water (IGW) in whole or in part and which serve 10,000 or more persons must comply with this rule beginning January 1, 2002. CWS and NTNC surface water or IGW systems serving fewer than 10,000 persons must comply with this rule beginning January 1, 2004.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Groundwater CWS and NTNC. CWS and NTNC systems using only groundwater not under the direct influence of surface water must comply with this rule beginning January 1, 2004.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
TNC using chlorine dioxide. TNC systems serving over 10,000 persons and using surface water or groundwater under the direct influence of surface water and using chlorine dioxide as a disinfectant or oxidant must comply with any requirements for chlorine dioxide in this rule beginning January 1, 2002. TNC systems serving 10,000 persons or less, regardless of source water type, and using chlorine dioxide as a disinfectant or oxidant must comply with any requirements for chlorine dioxide in this rule beginning January 1, 2004.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Extension of compliance period for GAC or membrane technology installation. A system that is installing GAC or membrane technology to comply with this rule may apply to the department for an extension of up to 24 months past the dates in 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3), but not beyond December 31, 2003. In granting the extension, the department will set a schedule for compliance and may specify any interim measures the system must take. Failure to meet a compliance schedule or interim treatment requirements constitutes a violation of the public drinking water supply rules, requires public notification per 567—subrule 42.1(1), and may result in an administrative order.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Control of residual disinfectants. Notwithstanding the MRDLs in this rule, systems may increase residual disinfectant levels of chlorine or chloramines (but not chlorine dioxide) in the distribution system to a level and for a time necessary to protect public health, to address specific microbiological contamination problems caused by circumstances such as, but not limited to, distribution line breaks, storm run-off events, source water contamination events, or cross-connection events.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Consecutive systems. Consecutive systems that provide water containing a disinfectant or oxidant are required to comply with this rule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems with multiple water sources. Systems with water sources that are used independently from each other, are not from the same source as determined by the department, or do not go through identical treatment processes are required to conduct the monitoring for the applicable disinfectants or oxidants and disinfection byproducts during operation of each source. The system must comply with this rule during the use of each water source.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Maximum residual disinfectant levels.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Maximum residual disinfectant levels (MRDLs) are as follows:
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2751
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Disinfection Residual
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
MRDL (mg/L)
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2751
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Chloramines
}
\cell
\pard\intbl\qj\li80\ri80\fi521\sl200
{\plain\f4\fs18\cf2\ulc2
4.0 as Cl
}
{\plain\f4\fs14\cf2\ulc2
2
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2751
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Chlorine
}
\cell
\pard\intbl\qj\li80\ri80\fi521\sl200
{\plain\f4\fs18\cf2\ulc2
4.0 as Cl
}
{\plain\f4\fs14\cf2\ulc2
2
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2751
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\qj\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Chlorine dioxide
}
\cell
\pard\intbl\qj\li80\ri80\fi521\sl200
{\plain\f4\fs18\cf2\ulc2
0.8 as ClO
}
{\plain\f4\fs14\cf2\ulc2
2
}
\cell
\row
\pard\sb180\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Monitoring requirements for residual disinfectants.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
General requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems must take all samples during normal operating conditions. If the system does not use the disinfectant or oxidant on a daily basis, the system must conduct the required daily monitoring each day the disinfectant or oxidant is used, and any required monthly monitoring during those months in which the disinfectant or oxidant is used during any portion of the month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Failure to monitor in accordance with the monitoring plan required under 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“5” is a monitoring violation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Failure to monitor is a violation for the entire period covered by the annual average where compliance is based on a running annual average of monthly or quarterly samples or averages and the system’s failure to monitor makes it impossible to determine compliance with MRDLs.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems may use only data collected under the provisions of this rule or of 567—41.6(455B) to qualify for reduced monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems required to monitor under the provisions of this rule or of 567—41.6(455B) must develop and implement a monitoring plan, in accordance with 567—paragraph 41.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“6.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Chlorine and chloramines.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Routine monitoring. Community and nontransient noncommunity water systems that use chlorine or chloramines must measure the residual disinfectant level at the same points in the distribution system and at the same time as total coliforms are sampled, as specified in 567—subrule 41.2(1). Surface water and groundwater under the direct influence of surface water systems may use the results of residual disinfectant concentration sampling conducted under 43.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2)“2,” in lieu of taking separate samples.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Reduced monitoring. Chlorine and chloramine monitoring may not be reduced.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Chlorine dioxide.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Routine monitoring. Any public water supply systems that use chlorine dioxide for disinfection or oxidation must take daily samples at the entrance to the distribution system. For any daily sample that exceeds the MRDL, the system must take samples in the distribution system the following day at the locations required by 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(3)“2,” in addition to the sample required at the entrance to the distribution system.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Additional monitoring. On each day following a routine sample monitoring result that exceeds the MRDL, the system is required to take three chlorine dioxide distribution system samples.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If chlorine dioxide or chloramines are used to maintain a residual disinfectant in the distribution system, or if chlorine is used to maintain a residual disinfectant in the distribution system and there are no disinfection addition points after the entrance to the distribution system (i.e., no booster chlorination), the system must take three samples as close to the first customer as possible, at intervals of at least six hours.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If chlorine is used to maintain a residual disinfectant in the distribution system and there are one or more disinfection addition points after the entrance to the distribution system (i.e., booster chlorination), the system must take one sample at each of the following locations: as close to the first customer as possible, in a location representative of average residence time, and as close to the end of the distribution system as possible (reflecting maximum residence time in the distribution system).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Reduced monitoring. Chlorine dioxide monitoring may not be reduced.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Analytical requirements for residual disinfectants.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Analytical methods. Systems must measure residual disinfectant concentrations for free chlorine, combined chlorine (chloramines), and chlorine dioxide by the methods listed in the following table:
}
\par
\pard\keepn\sb170\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Approved Methods for Residual Disinfectant Compliance Monitoring
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2165
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3389
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4829
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8573
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
Methodology
}
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
Standard Methods
}
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
Other Method
}
\cell
\pard\intbl\qc\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
Residual measured
}
{\plain\f4\fs13\cf2\ulc2
1
}
\cell
\row
\trowd\trleft5\trhdr
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2165
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3389
\clvmrg
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\pard\intbl
\cell
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\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
Free
}
\par
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
Chlorine
}
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
Combined Chlorine
}
\cell
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{\plain\f4\fs17\cf2\ulc2
Total
}
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{\plain\f4\fs17\cf2\ulc2
Chlorine
}
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{\plain\f4\fs17\cf2\ulc2
Chlorine Dioxide
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{\plain\f4\fs17\cf2\ulc2
Amperometric Titration
}
\cell
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{\plain\f4\fs17\cf2\ulc2
4500-Cl D
}
\cell
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{\plain\f4\fs17\cf2\ulc2
ASTM: D 1253-86 (96), 03, 08, 14
}
\cell
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{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
Low Level Amperometric Titration
}
\cell
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{\plain\f4\fs17\cf2\ulc2
4500-Cl E
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
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\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
DPD Ferrous Titrimetric
}
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{\plain\f4\fs17\cf2\ulc2
4500-Cl F
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs17\cf2\ulc2
X
}
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{\plain\f4\fs17\cf2\ulc2
X
}
\cell
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{\plain\f4\fs17\cf2\ulc2
X
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
DPD Colorimetric
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{\plain\f4\fs17\cf2\ulc2
4500-Cl G
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{\plain\f4\fs17\cf2\ulc2
Hach Method 10260
}
{\plain\f4\fs13\cf2\ulc2
4
}
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{\plain\f4\fs17\cf2\ulc2
X
}
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{\plain\f4\fs17\cf2\ulc2
X
}
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{\plain\f4\fs17\cf2\ulc2
X
}
\cell
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
Syringaldazine (FACTS)
}
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{\plain\f4\fs17\cf2\ulc2
4500-Cl H
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
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\pard\intbl\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
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\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
Amperometric Sensor
}
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\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs17\cf2\ulc2
ChloroSense
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{\plain\f4\fs13\cf2\ulc2
3
}
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{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
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\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
Online Chlorine Analyzer
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
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\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
EPA 334.0
}
{\plain\f4\fs13\cf2\ulc2
2
}
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{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
X
}
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\pard\intbl\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
\~
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{\plain\f4\fs17\cf2\ulc2
Indophenol Colorimetric
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\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
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Hach Method 10241
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{\plain\f4\fs13\cf2\ulc2
6
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{\plain\f4\fs17\cf2\ulc2
X
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{\plain\f4\fs17\cf2\ulc2
X
}
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{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\pard\intbl\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
\~
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Iodometric Electrode
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4500-Cl I
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\cell
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
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{\plain\f4\fs17\cf2\ulc2
X
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\pard\intbl\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
\~
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DPD
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4500-ClO
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{\plain\f4\fs13\cf2\ulc2
2
}
{\plain\f4\fs17\cf2\ulc2
D
}
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\~
}
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\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
X
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{\plain\f4\fs17\cf2\ulc2
Amperometric Method II
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4500-ClO
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{\plain\f4\fs13\cf2\ulc2
2
}
{\plain\f4\fs17\cf2\ulc2
E
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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X
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Lissamine Green Spectrophotometric
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
EPA: 327.0 Rev.
}
{\plain\f4\fs17\cf2\ulc2
\tab
}
{\plain\f4\fs17\cf2\ulc2
1.1
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
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X
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{\plain\f4\fs17\cf2\ulc2
Amperometric Sensor
}
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{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
ChlordioX Plus
}
{\plain\f4\fs13\cf2\ulc2
5
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl190
{\plain\f4\fs17\cf2\ulc2
\~
}
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\pard\intbl\qc\li80\ri80\sl190
{\plain\f4\fs17\cf2\ulc2
X
}
\cell
\row
\pard\sb170\qj\sl250
{\plain\f4\fs16\cf2\ulc2
The procedures shall be done in accordance with the documents listed below. The incorporation by reference of the following documents was approved by the Director of the Federal Register on February 16, 1999, in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies of the documents may be obtained from the sources listed below. Information regarding obtaining these documents can be obtained from the Safe Drinking Water Hotline at (800)426-4791. Documents may be inspected at EPA’s Drinking Water Docket, 401 M Street, SW, Washington, DC 20460 (telephone: (202)260-3027); or at the Office of Federal Register, 800 North Capitol Street, NW, Suite 700, Washington, DC 20408.
}
\par
\pard\qj\sl250
{\plain\f4\fs16\cf2\ulc2
The following method is available from the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
Annual Book of ASTM Standards, Volume 11.01, American Society for Testing and Materials, 1996: Method D 1253-86.
}
\par
\pard\qj\sl250
{\plain\f4\fs16\cf2\ulc2
The following methods are available from the American Public Health Association, 800 I Street, NW, Washington, DC 20001-3710:
}
\par
\pard\qj\li340\sl250
{\plain\f4\fs16\cf2\ulc2
Standard Methods for the Examination of Water and Wastewater, 19th\~ (1995), 20th (1998), 21st (2005), and 22nd (2012) editions, American Public Health Association: Methods: 4500-Cl D, 4500-Cl E, 4500-Cl F, 4500-Cl G, 4500-Cl H, 4500-Cl I, 4500-ClO
}
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
E. Only the 19th and 20th editions may be used for the chlorine dioxide Method 4500-ClO
}
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
D.
}
\par
\pard\qj\sl250
{\plain\f4\fs16\cf2\ulc2
The following methods are available from the National Technical Information Service, U.S. Department of Commerce, 5285 Port Royal Road, Springfield, VA 22161 (telephone: (800)553-6847):
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
“Determination of Chlorine Dioxide and Chlorite Ion in Drinking Water Using Lissamine Green B and Horseradish Peroxidase with Detection by Visible Spectrophotometry, Revision 1.1,” USEPA, May 2005, EPA 815-R-05-008.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs11\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
X indicates method is approved for measuring specified residual disinfectant. Free chlorine or total chlorine may be measured for demonstrating compliance with the chlorine MRDL, and combined chlorine or total chlorine may be measured for demonstrating compliance with the chloramine MRDL.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
EPA Method 334.0, “Determination of Residual Chlorine in Drinking Water Using an On-Line Chlorine Analyzer,” August 2009. EPA 815-B-09-013. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.epa/gov/safewater/methods/analyticalmethods_ogwdw.html"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.epa/gov/safewater/methods/analyticalmethods_ogwdw.html
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
3
}
{\plain\f4\fs16\cf2\ulc2
ChloroSense, “Measurement of Free and Total Chlorine in Drinking Water by Palintest ChloroSense,” September 2009. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
or from Palintest Ltd., 21 Kenton Lands Road, P.O. Box 18395, Erlanger, KY 41018.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
4
}
{\plain\f4\fs16\cf2\ulc2
Hach Method 10260, “Determination of Chlorinated Oxidants (Free and Total) in Water Using Disposable Planar Reagent-Filled Cuvettes and Mesofluidic Channel Colorimetry,” April 2013. Available at Hach Company, P.O. Box 389, Loveland, CO 80539, or
}
{\field{\*\fldinst HYPERLINK "http://www.hach.com"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.hach.com
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
5
}
{\plain\f4\fs16\cf2\ulc2
ChlordioX Plus. “Chlorine Dioxide and Chlorite in Drinking Water by Amperometry Using Disposable Sensors,” November 2013. Available from Palintest Ltd., Jamike Avenue (Suite 100), Erlanger, KY 41018.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
6
}
{\plain\f4\fs16\cf2\ulc2
Hach Company. “Hach Method 10241 – Spectrophotometric Measurement of Free Chlorine in Finished Drinking Water,” November 2015, Revision 1.2. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.hach.com"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.hach.com
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Test kit use. Systems may also measure residual disinfectant concentrations for chlorine, chloramines, and chlorine dioxide by using DPD colorimetric test kits acceptable to the department. Free and total chlorine residual disinfectant concentrations may be measured continuously by adapting a specified chlorine residual method for use with a continuous monitoring instrument provided the chemistry, accuracy, and precision remain the same. Instruments used for continuous monitoring must be calibrated with a grab sample measurement at least every five days.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Operator requirement. Measurements for residual disinfectant concentration shall be conducted by a Grade A through IV operator meeting the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
, any person under the direct supervision of a Grade A through IV operator meeting the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
, or a laboratory certified by the department to perform analysis under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.83.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 83
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Compliance requirements for residual disinfectants.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
General requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
When compliance is based on a running annual average of monthly or quarterly samples or averages and the system’s failure to monitor makes it impossible to determine compliance with MRDLs for chlorine and chloramines, this failure to monitor will be treated as a monitoring violation for the entire period covered by the annual average.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
All samples taken and analyzed under the provisions of this rule must be included in determining compliance, even if that number is greater than the minimum required.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Chlorine and chloramines.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Compliance must be based on a running annual arithmetic average, computed quarterly, of monthly averages of all samples collected by the system under 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(2). If the average covering any consecutive four-quarter period exceeds the MRDL, the system is in violation of the MRDL and must notify the public pursuant to 567—42.1(455B), in addition to reporting to the department pursuant to 567—paragraph 42.4(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
In cases where systems switch between the use of chlorine and chloramines for residual disinfection during the year, compliance must be determined by including together all monitoring results of both chlorine and chloramines in calculating compliance. Reports submitted pursuant to 567—paragraph 42.4(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
must clearly indicate which residual disinfectant was analyzed for each sample.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Chlorine dioxide.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Acute violations. Compliance must be based on consecutive daily samples collected by the system under 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(3). If any daily sample taken at the entrance to the distribution system exceeds the MRDL, and on the following day one or more of the three samples taken in the distribution system exceed the MRDL, the system is in violation of the MRDL and shall take immediate corrective action to lower the level of chlorine dioxide below the MRDL and shall notify the public pursuant to the Tier 1 requirements in 567—subrule 42.1(2) in addition to reporting to the department pursuant to 567—paragraph 42.4(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
{\plain\f4\fs21\cf2\ulc2
Failure to take samples in the distribution system the day following an exceedance of the chlorine dioxide MRDL at the entrance to the distribution system will also be considered an MRDL violation and the system must notify the public of the violation in accordance with the provisions for Tier 1 violations in 567—subrule 42.1(2), in addition to reporting to the department pursuant to 567—paragraph 42.4(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Nonacute violations. Compliance must be based on consecutive daily samples collected by the system under 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(3). If any two consecutive daily samples taken at the entrance to the distribution system exceed the MRDL and all distribution system samples taken are below the MRDL, the system is in violation of the MRDL and must take corrective action to lower the level of chlorine dioxide below the MRDL at the point of sampling and will notify the public pursuant to the Tier 2 requirements in 567—subrule 42.1(3), in addition to reporting to the department pursuant to 567—paragraph 42.4(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
{\plain\f4\fs21\cf2\ulc2
Failure to monitor at the entrance to the distribution system the day following an exceedance of the chlorine dioxide MRDL at the entrance to the distribution system is also an MRDL violation and the system must notify the public of the violation in accordance with the provisions for Tier 2 violations in 567—subrule 42.1(3), in addition to reporting to the department pursuant to 567—paragraph 42.4(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting requirements for disinfectants.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems required to sample quarterly or more frequently must report to the department within ten days after the end of each quarter in which samples were collected, notwithstanding the public notification provisions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—42.1
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). Systems required to sample less frequently than quarterly must report to the department within ten days after the end of each monitoring period in which samples were collected. The specific reporting requirements for disinfectants are listed in 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.4(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.6
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection byproduct precursors.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water or IGW CWS and NTNC systems with conventional filtration. This rule establishes criteria under which surface water or influenced groundwater CWS and NTNC public water supply systems using conventional filtration treatment, as defined in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—40.2
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B), that add a chemical disinfectant to the water in any part of the drinking water treatment process or which provide water that contains a chemical disinfectant must modify their practices to meet the MCLs listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—41.6
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B) and the maximum residual disinfectant levels (MRDL) and treatment technique requirements for disinfection byproduct precursors listed in this rule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
CWS and NTNC systems using ozone treatment. CWS and NTNC systems that use ozone in their treatment process must comply with the bromide requirements of this subrule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Compliance dates. Compliance dates for this rule are based upon the population served. CWS and NTNC systems using surface water or groundwater under the direct influence of surface water in whole or in part and which serve 10,000 or more persons must comply with this rule beginning January 1, 2002; while those systems serving fewer than 10,000 persons must comply with this rule beginning January 1, 2004.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may require groundwater systems to conduct monitoring for disinfection byproduct precursors as a part of an operation permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Monitoring requirements for disinfection byproduct precursors.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Routine monitoring for total organic carbon (TOC).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water and groundwater under the direct influence of surface water systems which use conventional filtration treatment must monitor each treatment plant for total organic carbon (TOC) no later than at the point of combined filter effluent turbidity monitoring and representative of the treated water. The systems must also monitor for TOC in the source water prior to any treatment at the same time as monitoring for TOC in the treated water. These samples (source water and treated water) are referred to as paired samples. At the same time the source water sample is taken, all systems must monitor for alkalinity in the source water prior to any treatment. Systems must take one paired set of source water and treated water samples and one source water alkalinity sample per month per plant at a time representative of normal operating conditions and influent water quality.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water and groundwater under the direct influence of surface water systems which do not use conventional filtration treatment must conduct the TOC monitoring under 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1)“1” in order to qualify for reduced disinfection byproduct monitoring for TTHM and HAA5 under 567—paragraph 41.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“2.” The source water TOC running annual average must be less than or equal to 4.0 mg/L based on the most recent four quarters of monitoring on a continuing basis at each treatment plant to reduce or remain on reduced monitoring for TTHM and HAA5. Once qualified for reduced monitoring for TTHM and HAA5, a system may reduce source water TOC monitoring to quarterly TOC samples taken every 90 days at a location prior to any treatment.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Reduced monitoring. The department may allow surface water and groundwater under the direct influence of surface water systems with an average treated water TOC of less than 2.0 mg/L for two consecutive years, or less than 1.0 mg/L for one year, to reduce monitoring for both TOC and alkalinity to one set of paired samples and one source water alkalinity sample per plant per quarter. The system must revert to routine monitoring in the month following the quarter when the annual average treated water TOC is greater than or equal to 2.0 mg/L.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Bromide. The department may allow systems required to analyze for bromate to reduce bromate monitoring from monthly to once per quarter, if the system demonstrates that the average source water bromide concentration is less than 0.05 mg/L based upon representative monthly measurements for one year. The system must continue bromide monitoring to remain on reduced bromate monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may assign disinfection byproduct precursor monitoring prior to the compliance dates in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3) as part of an operation permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Analytical requirements for disinfection byproduct precursors.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Analytical methods. Systems required to monitor disinfectant byproduct precursors must use the following methods, which must be conducted by a certified laboratory pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.83.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 83
}
}}
{\plain\f4\fs21\cf2\ulc2
, unless otherwise specified.
}
\par
\pard\keepn\sb170\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Approved Methods for Disinfection Byproduct Precursor Monitoring
}
{\plain\f4\fs16\cf2\ulc2
1
}
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\pard\plain\f0\fs17
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Methodology
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EPA
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Standard
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Methods
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ASTM
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Other
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\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Alkalinity
}
{\plain\f4\fs12\cf2\ulc2
6
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Titrimetric
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
2320B
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
D 1067-92B
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Electrometric titration
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
I-1030-85
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Bromide
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Ion chromatography
}
\cell
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
300.0
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
300.1
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri90\sl180\tx40
{\plain\f4\fs16\cf2\ulc2
317.0 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
2.0
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
326.0
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
D 6581-00
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Dissolved Organic Carbon
}
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
(DOC)
}
\cell
\pard\intbl\qj\li80\ri40\sl180
{\plain\f4\fs16\cf2\ulc2
High temperature combustion
}
\cell
\pard\intbl\li80\ri90\sl180\tx40
{\plain\f4\fs16\cf2\ulc2
415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5310B or 5310B-00
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Persulfate-UV or heated-persulfate oxidation
}
\cell
\pard\intbl\li80\ri90\sl180\tx40
{\plain\f4\fs16\cf2\ulc2
415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5310C or 5310C-00
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Wet oxidation
}
\cell
\pard\intbl\li80\ri90\sl180\tx40\tx40
{\plain\f4\fs16\cf2\ulc2
415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.1, 415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5310D or 5310D-00
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
pH
}
{\plain\f4\fs12\cf2\ulc2
3
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Electrometric
}
\cell
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
150.1
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
4500-H
}
{\plain\f4\fs12\cf2\ulc2
+
}
{\plain\f4\fs16\cf2\ulc2
-B
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
D 1293-84
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
150.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Specific Ultraviolet Absorbance (SUVA)
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Calculation using DOC and UV
}
{\plain\f4\fs12\cf2\ulc2
254
}
{\plain\f4\fs16\cf2\ulc2
data
}
\cell
\pard\intbl\qj\li80\ri90\sl180\tx40
{\plain\f4\fs16\cf2\ulc2
415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Total Organic Carbon
}
{\plain\f4\fs12\cf2\ulc2
4
}
\cell
\pard\intbl\qj\li80\ri40\sl180
{\plain\f4\fs16\cf2\ulc2
High temperature combustion
}
\cell
\pard\intbl\li80\ri90\sl180\tx40
{\plain\f4\fs16\cf2\ulc2
415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5310B or 5310B-00
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Persulfate-UV or heated-persulfate oxidation
}
\cell
\pard\intbl\li80\ri90\sl180\tx40
{\plain\f4\fs16\cf2\ulc2
415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5310C or 5310C-00
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
Hach Method 10267
}
{\plain\f4\fs12\cf2\ulc2
7
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Wet oxidation
}
\cell
\pard\intbl\li80\ri90\sl180\tx40\tx40
{\plain\f4\fs16\cf2\ulc2
415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.1, 415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5310D or 5310D-00
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Ozone Oxidation
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
Hach Method 10261
}
{\plain\f4\fs12\cf2\ulc2
8
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2044
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4040
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5271
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6223
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7173
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7979
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Ultraviolet Absorption at
}
\par
\pard\intbl\qj\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
254 nm
}
{\plain\f4\fs12\cf2\ulc2
5
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
Spectrophotometry
}
\cell
\pard\intbl\li80\ri90\sl180\tx40\tx40
{\plain\f4\fs16\cf2\ulc2
415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.1, 415.3 Rev.
}
{\plain\f4\fs16\cf2\ulc2
\tab
}
{\plain\f4\fs16\cf2\ulc2
1.2
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
5910B or 5910B-00, 11
}
\cell
\pard\intbl\li80\ri90\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl180
{\plain\f4\fs16\cf2\ulc2
\~
}
\cell
\row
\pard\sb160\qj\fi340\sl250
{\plain\f4\fs11\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
The procedures shall be done in accordance with the documents listed below. The incorporation by reference of the following documents was approved by the Director of the Federal Register on February 16, 1999, in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies of the documents may be obtained from the sources listed below. Information regarding obtaining these documents can be obtained from the Safe Drinking Water Hotline at (800)426-4791. Documents may be inspected at EPA’s Drinking Water Docket, 401 M Street, SW, Washington, DC 20460 (telephone: (202)260-3027); or at the Office of Federal Register, 800 North Capitol Street, NW, Suite 700, Washington, DC 20408.
}
\par
\pard\qj\sl250
{\plain\f4\fs16\cf2\ulc2
The following methods are available from the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
Annual Book of ASTM Standards, Volume 11.01, American Society for Testing and Materials, 1996: Method D 1067-92B and Method D 1293-84.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
Annual Book of ASTM Standards, Volume 11.01, American Society for Testing and Materials, 2001 (or any year containing the cited version): Method D 6581-00.
}
\par
\pard\qj\sl250
{\plain\f4\fs16\cf2\ulc2
The following methods are available from the National Technical Information Service, U.S. Department of Commerce, 5285 Port Royal Road, Springfield, VA 22161 (telephone: (800)553-6847):
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
“Determination of Inorganic Anions in Drinking Water by Ion Chromatography, Revision 1.0,” EPA-600/R-98/118, 1997 (NTIS, PB98-169196): Method 300.1.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
Methods for Chemical Analysis of Water and Wastes, EPA-600/4-79-020, March 1983, (NTIS PB84-128677): Methods 150.1 and 150.2.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
Methods for the Determination of Inorganic Substances in Environmental Samples, EPA-600/R-93/100, August 1993, (NTIS PB94-121811): Method 300.0.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
“Determination of Inorganic Oxyhalide Disinfection By-Products in Drinking Water Using Ion Chromatography with the Addition of a Postcolumn Reagent for Trace Bromate Analysis, Revision 2.0,” USEPA, July 2001, EPA 815-B-01-001: Method 317.0.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
“Determination of Inorganic Oxyhalide Disinfection By-Products in Drinking Water Using Ion Chromatography Incorporating the Addition of a Suppressor Acidified Postcolumn Reagent for Trace Bromate Analysis, Revision 1.0,” USEPA, June 2002, EPA 815-R-03-007: Method 326.0.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
“Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water, Revision 1.1,” USEPA, February 2005, EPA/600/R-05/055: Method 415.3 Revision 1.1.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
“Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water, Revision 1.2,” USEPA, September 2009, EPA/600/R-09/122: Method 415.3 Revision 1.2.
}
\par
\pard\qj\sl250
{\plain\f4\fs16\cf2\ulc2
The following methods are available from the American Public Health Association, 800 I Street, NW, Washington, DC 20001-3710:
}
\par
\pard\qj\li480\fi-140\sl250
{\plain\f4\fs16\cf2\ulc2
Standard Methods for the Examination of Water and Wastewater, 19th (1995), 21st (2005), and 22nd (2012) editions, American Public Health Association: Methods: 2320B (20th edition, 1998, is also accepted for this method), 4500-H
}
{\plain\f4\fs12\cf2\ulc2
+
}
{\plain\f4\fs16\cf2\ulc2
-B, and 5910B (22nd edition, 2012, is also accepted for this method).
}
\par
\pard\qj\li480\fi-140\sl250
{\plain\f4\fs16\cf2\ulc2
Standard Methods for the Examination of Water and Wastewater, Supplement to the 19th edition (1996), 21st (2005), and 22nd editions, American Public Health Association: Methods: 5310B, 5310C, and 5310D.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2\ulc2
For method numbers ending “-00”, the year in which each method was approved by the Standard Methods Committee is designated by the last two digits in the method number. The methods listed are the only online versions that are IBR-approved.
}
\par
\pard\qj\sl250
{\plain\f4\fs16\cf2\ulc2
Method I-1030-85 is available from the Books and Open-File Reports Section, U.S. Geological Survey, Federal Center, Box 25425, Denver, CO 80225-0425.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs11\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
Dissolved Organic Carbon (DOC). DOC and UV
}
{\plain\f4\fs12\cf2\ulc2
254
}
{\plain\f4\fs16\cf2\ulc2
samples used to determine a SUVA value must be taken at the same time and at the same location, prior to the addition of any disinfectant or oxidant by the system. Prior to analysis, DOC samples must be filtered through a 0.45 \u956? pore-diameter filter, as soon as practical after sampling, not to exceed 48 hours. After filtration, DOC samples must be acidified to achieve pH less than or equal to 2 with minimal addition of the acid specified in the method or by the instrument manufacturer. Acidified DOC samples must be analyzed within 28 days. Inorganic carbon must be removed from the samples prior to analysis. Water passed through the filter prior to filtration of the sample must serve as the filtered blank. This filtered blank must be analyzed using procedures identical to those used for analysis of the samples and must meet a DOC concentration of <0.5 mg/L.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs11\cf2\ulc2
3
}
{\plain\f4\fs16\cf2\ulc2
pH must be measured by a laboratory certified by the department to perform analysis under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.83.pdf"}{\fldrslt
{\plain\f4\fs16\cf2\ulc2
567—Chapter 83
}
}}
{\plain\f4\fs16\cf2\ulc2
; a Grade II, III or IV operator meeting the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs16\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs16\cf2\ulc2
; or any person under the supervision of a Grade II, III or IV operator meeting the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs16\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs11\cf2\ulc2
4
}
{\plain\f4\fs16\cf2\ulc2
Total Organic Carbon (TOC). Inorganic carbon must be removed from the samples prior to analysis. TOC samples may not be filtered prior to analysis. TOC samples must be acidified at the time of sample collection to achieve a pH less than or equal to 2 with minimal addition of the acid specified in the method or by the instrument manufacturer. Acidified TOC samples must be analyzed within 28 days.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs11\cf2\ulc2
5
}
{\plain\f4\fs16\cf2\ulc2
Ultraviolet Absorption at 254 nm (UV
}
{\plain\f4\fs11\cf2\ulc2
254
}
{\plain\f4\fs16\cf2\ulc2
). DOC and UV
}
{\plain\f4\fs11\cf2\ulc2
254
}
{\plain\f4\fs16\cf2\ulc2
samples used to determine a SUVA value must be taken at the same time and at the same location, prior to the addition of any disinfectant or oxidant by the system. UV absorption must be measured at 253.7 nm (may be rounded off to 254 nm). Prior to analysis, UV
}
{\plain\f4\fs11\cf2\ulc2
254
}
{\plain\f4\fs16\cf2\ulc2
samples must be filtered through a 0.45 µ pore-diameter filter. The pH of UV
}
{\plain\f4\fs11\cf2\ulc2
254
}
{\plain\f4\fs16\cf2\ulc2
samples may not be adjusted. Samples must be analyzed as soon as practical after sampling, not to exceed 48 hours.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs11\cf2\ulc2
6
}
{\plain\f4\fs16\cf2\ulc2
Alkalinity must be measured by a laboratory certified by the department to perform analysis under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.83.pdf"}{\fldrslt
{\plain\f4\fs16\cf2\ulc2
567—Chapter 83
}
}}
{\plain\f4\fs16\cf2\ulc2
; a Grade II, III or IV operator meeting the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs16\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs16\cf2\ulc2
; or any person under the supervision of a Grade II, III or IV operator meeting the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs16\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs16\cf2\ulc2
. Only the listed titrimetric methods are acceptable.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
7
}
{\plain\f4\fs16\cf2\ulc2
Hach Company. “Hach Method 10267 – Spectrophotometric Measurement of Total Organic Carbon (TOC) in Finished Drinking Water,” December 2015, Revision 1.2. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.hach.com"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.hach.com
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
8
}
{\plain\f4\fs16\cf2\ulc2
Hach Company. “Hach Method 10261 – Total Organic Carbon in Finished Drinking Water by Catalyzed Ozone Hydroxyl Radical Oxidation Infrared Analysis,” December 2015, Revision 1.2. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.hach.com"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.hach.com
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
SUVA. Specific Ultraviolet Absorbance (SUVA) is equal to the UV absorption at 254nm (UV
}
{\plain\f4\fs16\cf2\ulc2
254
}
{\plain\f4\fs21\cf2\ulc2
) (measured in m
}
{\plain\f4\fs16\cf2\ulc2
-1
}
{\plain\f4\fs21\cf2\ulc2
) divided by the dissolved organic carbon (DOC) concentration (measured as mg/L). In order to determine SUVA, it is necessary to separately measure UV
}
{\plain\f4\fs16\cf2\ulc2
254
}
{\plain\f4\fs21\cf2\ulc2
and DOC. When determining SUVA, systems must use the methods stipulated in subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1) to measure DOC and UV
}
{\plain\f4\fs16\cf2\ulc2
254
}
{\plain\f4\fs21\cf2\ulc2
. SUVA must be determined on water prior to the addition of disinfectants/oxidants by the system. DOC and UV
}
{\plain\f4\fs16\cf2\ulc2
254
}
{\plain\f4\fs21\cf2\ulc2
samples used to determine an SUVA value must be taken at the same time and at the same location.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Magnesium. All methods approved for magnesium in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.3.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—subparagraph 41.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
are approved for use in measuring magnesium under this rule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Compliance requirements for disinfection byproduct precursors.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
General requirements. All samples taken and analyzed under the provisions of this rule must be included in determining compliance, even if that number is greater than the minimum required.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Compliance determination. Compliance must be determined as specified by
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
The department may assign monitoring through an operation permit, or systems may begin monitoring to determine whether Step 1 TOC removals can be met 12 months prior to the compliance date for the system. This monitoring is not required and failure to monitor during this period is not a violation. However, any system that does not monitor during this period and then determines in the first 12 months after the compliance date that it is not able to meet the Step 1 requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2), and must therefore apply for alternate minimum TOC removal (Step 2) requirements, is not eligible for retroactive approval of alternate minimum TOC removal (Step 2) requirements as allowed pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3) and is in violation. Systems may apply for alternate minimum TOC removal (Step 2) requirements anytime after the compliance date. For systems required to meet Step 1 TOC removals, if the value calculated under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“4” is less than 1.00, the system is in violation of the treatment technique requirements and must notify the public pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—42.1
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B), in addition to reporting to the department pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.4(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting requirements for disinfection byproduct precursors.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems required to sample quarterly or more frequently must report to the department within ten days after the end of each quarter in which samples were collected, notwithstanding the public notification provisions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—42.1(455B)
}
}}
{\plain\f4\fs21\cf2\ulc2
. Systems required to sample less frequently than quarterly must report to the department within ten days after the end of each monitoring period in which samples were collected. The specific reporting requirements for disinfection byproduct precursors are listed in 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.4(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(4).
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.6
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment technique for control of disinfection byproduct precursors.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems using surface water or groundwater under the direct influence of surface water and conventional filtration treatment (as defined in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—40.2
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B)) must operate with enhanced coagulation or enhanced softening to achieve the TOC percent removal levels specified in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
of this subrule unless the system meets at least one of the alternative compliance criteria listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2) or (3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Alternative compliance criteria for enhanced coagulation and enhanced softening systems. Systems using surface water or groundwater under the direct influence of surface water and conventional filtration treatment may use the alternative compliance criteria in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2)“1” through “6” to comply with this subrule in lieu of complying with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
Systems must still comply with monitoring requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system’s source water TOC level, measured according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1), is less than 2.0 mg/L, calculated quarterly as a running annual average.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system’s treated water TOC level, measured according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1), is less than 2.0 mg/L, calculated quarterly as a running annual average.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system’s source water TOC level, measured according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1), is less than 4.0 mg/L, calculated quarterly as a running annual average; the source water alkalinity, measured according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1), is greater than 60 mg/L as CaCO
}
{\plain\f4\fs16\cf2\ulc2
3
}
{\plain\f4\fs21\cf2\ulc2
, calculated quarterly as a running annual average; and either the TTHM and HAA5 running annual averages are no greater than 0.040 mg/L and 0.030 mg/L, respectively; or prior to the effective date for compliance in 567—subparagraph 41.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3) and in 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3) and 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3), the system has made a clear and irrevocable financial commitment not later than the effective date for compliance in 567—subparagraph 41.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3) and in 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3) and 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3), to use of technologies that will limit the levels of TTHMs and HAA5 to no more than 0.040 mg/L and 0.030 mg/L, respectively. Systems must submit evidence of a clear and irrevocable financial commitment, in addition to a schedule containing milestones and periodic progress reports for installation and operation of appropriate technologies, to the department for approval not later than the effective date for compliance in 567—subparagraph 41.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3) and in 43.6(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3) and 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3). These technologies must be installed and operating not later than June 30, 2005. Failure to install and operate these technologies by the date in the approved schedule will constitute a treatment technique violation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The TTHM and HAA5 running annual averages are less than or equal to 0.040 mg/L and 0.030 mg/L, respectively, and the system uses only chlorine for primary disinfection and maintenance of a residual in the distribution system.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system’s source water SUVA, prior to any treatment and measured monthly according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c,”
}
{\plain\f4\fs21\cf2\ulc2
is less than or equal to 2.0 L/mg-m, calculated quarterly as a running annual average.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
6.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system’s finished water SUVA, measured monthly according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c,”
}
{\plain\f4\fs21\cf2\ulc2
is less than or equal to 2.0 L/mg-m, calculated quarterly as a running annual average.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Additional alternative compliance criteria for softening systems. Systems practicing enhanced softening that cannot achieve the TOC removals required by
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) may use the alternative compliance criteria in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3)“1” and “2” in lieu of complying with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
Systems must still comply with monitoring requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Softening that lowers the treated water alkalinity to less than 60 mg/L as CaCO
}
{\plain\f4\fs16\cf2\ulc2
3
}
{\plain\f4\fs21\cf2\ulc2
, measured monthly according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and calculated quarterly as a running annual average.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Softening that removes at least 10 mg/L of magnesium hardness as CaCO
}
{\plain\f4\fs16\cf2\ulc2
3
}
{\plain\f4\fs21\cf2\ulc2
, measured monthly and calculated quarterly as a running annual average.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Enhanced coagulation and enhanced softening performance requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems must achieve the percent reduction of TOC specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) between the source water and the combined filter effluent, unless the department approves a system’s request for alternate minimum TOC removal (Step 2 requirements under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Required Step 1 TOC reductions, indicated in the following table, are based upon specified source water parameters measured in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
Systems using softening are required to meet the Step 1 TOC reductions in the right-hand column (Source water alkalinity > 120 mg/L) for the specified source water TOC:
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Step 1 Required Removal of TOC by Enhanced Coagulation and Enhanced Softening for Surface Water or IGW Systems Using Conventional Treatment
}
{\plain\f4\fs16\scaps\cf2\ulc2
1,2
}
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\pard\plain\f0\fs17
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\~
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\cell
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{\plain\f4\fs18\cf2\ulc2
\~
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\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
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\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
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\clpadft3\clpadt80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Source water TOC, mg/L
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{\plain\f4\fs18\cf2\ulc2
Source water Alkalinity, mg/L as CaCO
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{\plain\f4\fs14\cf2\ulc2
3
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0-60
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>60-120
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3
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35.0%
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25.0%
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15.0%
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45.0%
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{\plain\f4\fs18\cf2\ulc2
35.0%
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25.0%
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{\plain\f4\fs18\cf2\ulc2
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{\plain\f4\fs18\cf2\ulc2
50.0%
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{\plain\f4\fs18\cf2\ulc2
40.0%
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
30.0%
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\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
Systems meeting at least one of the conditions in 43.6(3)
}
{\plain\f4\fs16\i\cf2\ulc2
“a”
}
{\plain\f4\fs16\cf2\ulc2
(2)“1” to “6” are not required to operate with enhanced coagulation.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
Softening systems meeting one of the alternative compliance criteria in 43.6(3)
}
{\plain\f4\fs16\i\cf2\ulc2
“a”
}
{\plain\f4\fs16\cf2\ulc2
(3) are not required to operate with enhanced softening.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
3
}
{\plain\f4\fs16\cf2\ulc2
Systems practicing softening must meet the TOC removal requirements in this column.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water and groundwater under the influence of surface water systems using conventional treatment that cannot achieve the Step 1 TOC removals required by
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) due to water quality parameters or operational constraints must apply to the department for approval of alternative minimum Step 2 TOC removal requirements submitted by the system within three months of failure to achieve the TOC removals required by
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2). If the department approves the alternative minimum Step 2 TOC removal requirements, the department may make those requirements retroactive for the purposes of determining compliance. The system must meet the Step 1 TOC removals contained in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) until the department approves the alternate minimum Step 2 TOC removal requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Alternate minimum Step 2 TOC removal requirements. Applications made to the department by enhanced coagulation systems for approval of alternate minimum Step 2 TOC removal requirements under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3) must include, as a minimum, results of bench-scale or pilot-scale testing conducted under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(4)“1” below and be used to determine the alternate enhanced coagulation level.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Alternate enhanced coagulation level. Alternate enhanced coagulation level is defined as coagulation at a coagulant dose and pH as determined by the method described in 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(4)“1” to “5” such that an incremental addition of 10 mg/L of alum (or equivalent amount of ferric salt) results in a TOC removal of less than or equal to 0.3 mg/L. The percent removal of TOC at this point on the “TOC removal versus coagulant dose” curve is then defined as the minimum TOC removal required for the system. Once approved by the department, this minimum requirement supersedes the minimum TOC removal required by the table in 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2). This requirement will be effective until such time as the department approves a new value based on the results of a new bench-scale or pilot-scale test. Failure to achieve department-set alternative minimum TOC removal levels is a treatment technique violation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Bench-scale or pilot-scale testing of enhanced coagulation must be conducted by using representative water samples and adding 10 mg/L increments of alum (or equivalent amounts of ferric salt) until the pH is reduced to a level less than or equal to the enhanced coagulation Step 2 target pH shown in the following table:
}
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\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Enhanced Coagulation Step 2 Target pH
}
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\clpadft3\clpadt80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Alkalinity (mg/L as CaCO
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{\plain\f4\fs14\cf2\ulc2
3
}
{\plain\f4\fs18\cf2\ulc2
)
}
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{\plain\f4\fs18\cf2\ulc2
Target pH
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\clpadft3\clpadt80
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{\plain\f4\fs18\cf2\ulc2
0-60
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{\plain\f4\fs18\cf2\ulc2
5.5
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{\plain\f4\fs18\cf2\ulc2
>60-120
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{\plain\f4\fs18\cf2\ulc2
6.3
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\clpadft3\clpadt80
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{\plain\f4\fs18\cf2\ulc2
>120-240
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{\plain\f4\fs18\cf2\ulc2
7.0
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\row
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4757
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
>240
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\cell
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{\plain\f4\fs18\cf2\ulc2
7.5
}
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\row
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{\plain\f4\fs21\cf2\ulc2
\tab
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{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For waters with alkalinities of less than 60 mg/L for which addition of small amounts of alum or equivalent addition of iron coagulant drives the pH below 5.5 before significant TOC removal occurs, the system must add necessary chemicals to maintain the pH between 5.3 and 5.7 in samples until the TOC removal of 0.3 mg/L per 10 mg/L alum added (or equivalent addition of iron coagulant) is reached.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system may operate at any coagulant dose or pH necessary (consistent with other public drinking water rules in 567—Chapters 41 through 43) to achieve the minimum TOC percent removal approved under 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the TOC removal is consistently less than 0.3 mg/L of TOC per 10 mg/L of incremental alum dose at all dosages of alum (or equivalent addition of iron coagulant), the water is deemed to contain TOC not amenable to enhanced coagulation. The system may then apply to the department for a waiver of enhanced coagulation requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Compliance calculations.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water or groundwater under the influence of surface water systems other than those identified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2) or (3) must comply with requirements contained in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) or (3). Systems must calculate compliance quarterly, beginning after the system has collected 12 months of data, by determining an annual average using the following method:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 1: Determine actual monthly TOC percent removal using the following equation, to two decimal places:
}
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\pard\plain\f0\fs18
\par
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\cellx3098
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx3382
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx3666
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx3950
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx4296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clvertalb
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx5930
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx6276
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx6560
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
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\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Actual monthly TOC percent removal
}
\cell
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{\plain\f4\fs18\cf2\ulc2
=
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1
}
\cell
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{\plain\f4\fs18\cf2\ulc2
-
}
\cell
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{\plain\f4\fs48\cf2\ulc2
(
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
treated water TOC
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs48\cf2\ulc2
)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
×
}
\cell
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{\plain\f4\fs18\cf2\ulc2
100
}
\cell
\row
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\clpadfl3\clpadl80
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\cellx3382
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx3666
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx3950
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx4296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5930
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx6276
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx6560
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\cellx7199
\pard\intbl
\cell
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\cell
\pard\intbl
\cell
\pard\intbl
\cell
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\cell
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{\plain\f4\fs18\cf2\ulc2
source water TOC
}
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\cell
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\tab
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{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 2: Determine the required monthly TOC percent removal from either 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) or (3).
}
\par
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{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 3: Divide the “actual monthly TOC percent removal” value (from Step 1) by the “required monthly TOC percent removal” value (from Step 2). Determine this value for each of the last 12 months.
}
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\par
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{\plain\f4\fs18\cf2\ulc2
Monthly percent removal ratio
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{\plain\f4\fs18\cf2\ulc2
=
}
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{\plain\f4\fs18\cf2\ulc2
actual monthly TOC percent removal
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{\plain\f4\fs18\cf2\ulc2
required monthly TOC percent removal
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\tab
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{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 4: Add together the “monthly percent removal ratio” values from Step 3 for each of the last 12 months and divide by 12, to determine the annual average value.
}
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\par
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{\plain\f4\fs18\cf2\ulc2
Annual average
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{\plain\f4\fs18\cf2\ulc2
=
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{\plain\f4\fs18\cf2\ulc2
\u931? monthly percent removal ratio
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\pard\intbl
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
12
}
\cell
\row
\pard\sb180\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 5: If the “annual average” value calculated in Step 4 is less than 1.00, the system is not in compliance with the TOC percent removal requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems may use the provisions in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(2)“1” through “5” in lieu of the calculations in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“1” through “5” to determine compliance with TOC percent removal requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
In any month that the system’s treated or source water TOC level, measured according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1), is less than 2.0 mg/L, the system may assign a monthly value of 1.0 (in lieu of the value calculated in 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“3”) when calculating compliance under the provisions of 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
In any month that a system practicing softening removes at least 10 mg/L of magnesium hardness as CaCO
}
{\plain\f4\fs16\cf2\ulc2
3
}
{\plain\f4\fs21\cf2\ulc2
, the system may assign a monthly value of 1.0 (in lieu of the value calculated in 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“3”) when calculating compliance under the provisions of 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
In any month that the system’s source water SUVA, prior to any treatment and measured according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(2), is less than or equal to 2.0 L/mg-m, the system may assign a monthly value of 1.0 (in lieu of the value calculated in 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“3”) when calculating compliance under the provisions of 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
In any month that the system’s finished water SUVA, measured according to 43.6(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(2), is less than or equal to 2.0 L/mg-m, the system may assign a monthly value of 1.0 (in lieu of the value calculated in 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“3”) when calculating compliance under the provisions of 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
In any month that a system using enhanced softening lowers alkalinity below 60 mg/L as CaCO
}
{\plain\f4\fs16\cf2\ulc2
3
}
{\plain\f4\fs21\cf2\ulc2
, the system may assign a monthly value of 1.0 (in lieu of the value calculated in 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)“3”) when calculating compliance under the provisions of 43.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Surface water or groundwater under the direct influence of surface water systems using conventional treatment may also comply with the requirements of this subrule by meeting the criteria in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2) or (3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment technique requirements for disinfection byproduct precursors.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The treatment techniques to control the level of disinfection byproduct precursors in drinking water treatment and distribution systems, for surface water or groundwater under the direct influence of surface water systems using conventional filtration treatment, are enhanced coagulation or enhanced softening.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12;
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 3735C
}
}}
{\plain\f4\fs16\cf2
, IAB 4/11/18, effective 5/16/18]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
7
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Lead and copper treatment techniques.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.7
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Corrosion control treatment for lead and copper control.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems shall complete the applicable corrosion control treatment requirements by the deadlines specified in the following rules:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Large systems serving more than 50,000 persons. A large system (serving greater than 50,000 persons) shall complete the corrosion control treatment steps specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d,”
}
{\plain\f4\fs21\cf2\ulc2
unless the system is deemed to have optimized corrosion control under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) or (3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Small and medium-size systems serving 50,000 or fewer persons. A small system (serving less than or equal to 3,300 persons) or a medium-size system (serving greater than 3,300 and less than or equal to 50,000 persons) shall complete the corrosion control treatment steps specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e,”
}
{\plain\f4\fs21\cf2\ulc2
unless the system has optimized corrosion control under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1), (2), or (3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Determination that a system has optimized corrosion control.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water supply system has optimized corrosion control and is not required to complete the applicable corrosion control treatment steps identified in this subrule if the system satisfies one of the criteria specified in subparagraphs
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1) through (3). Any such system deemed to have optimized corrosion control under this paragraph and which has treatment in place shall continue to operate and maintain optimal corrosion control treatment and meet any requirements that the department determines appropriate to ensure optimal corrosion control treatment is maintained.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A small or medium-size water supply system has optimized corrosion control if the system meets the lead and copper action levels during each of two consecutive six-month monitoring periods, conducted in accordance with 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any public water supply system may be deemed to have optimized corrosion control treatment if the system demonstrates to the satisfaction of the department that it has conducted activities equivalent to the corrosion control steps applicable to such system under this subrule. If the department makes this determination, it shall provide the water supply system with written notice explaining the basis for its decision and shall specify the water quality control parameters representing optimal corrosion control in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“f.”
}
{\plain\f4\fs21\cf2\ulc2
Systems deemed to have optimized corrosion control under this paragraph shall operate in compliance with the department-designated optimal water quality control parameters in accordance with paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
and continue to conduct lead and copper tap and water quality parameter sampling in accordance with 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“3” and 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(4), respectively. A system shall provide the department with the following information in order to support a determination under this paragraph:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The results of all test samples collected for each of the water quality parameters in 43.7(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(3);
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A report explaining the test methods used by the water system to evaluate the corrosion control treatments listed in 43.7(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1), the results of all tests conducted, and the basis for the system’s selection of optimal corrosion control treatment;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A report explaining how corrosion control was installed and how it is being maintained to ensure minimal lead and copper concentrations at consumers’ taps; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The results of tap water samples collected in accordance with 567—paragraph 41.4(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
at least once every six months for one year after corrosion control has been installed.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any water system has optimized corrosion control if it submits results of tap water monitoring conducted in accordance with 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and source water monitoring conducted in accordance with 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
that demonstrate for two consecutive six-month monitoring periods that the difference between the 90th percentile tap water lead level computed under 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3) and the highest source water lead concentration is less than the practical quantitation level for lead specified in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“g.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Those systems whose highest source water lead level is below the method detection limit may also be deemed to have optimized corrosion control under this paragraph if the 90th percentile tap water lead level is less than or equal to the practical quantitation level for lead for two consecutive six-month monitoring periods.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any water system deemed to have optimized corrosion control in accordance with this paragraph shall continue monitoring for lead and copper at the tap no less frequently than once every three calendar years using the reduced number of sites specified in 567—subparagraph 41.4(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(3) and collecting the samples at times and locations specified in 567—paragraph 41.4(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“4,” fourth bulleted paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any water system deemed to have optimized corrosion control pursuant to this paragraph shall notify the department in writing pursuant to 567—subparagraph 42.4(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3) of any upcoming long-term change in treatment or the addition of a new source as described in 567—subparagraph 42.4(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3). The department must review and approve the addition of a new source or long-term change in water treatment before it is implemented by the water system.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Unless a system meets the copper action level, it is not deemed to have optimized corrosion control under this paragraph and shall implement corrosion control treatment pursuant to 43.7(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)“5.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any system triggered into corrosion control because it is no longer deemed to have optimized corrosion control under this paragraph shall implement corrosion control treatment in accordance with the deadlines in paragraph 43.7(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“e.”
}
{\plain\f4\fs21\cf2\ulc2
Any such large system shall adhere to the schedule specified in that paragraph for medium-size systems, with the time periods for completing each step being triggered by the date the system is no longer deemed to have optimized corrosion control under this paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Requirements to recommence corrosion control steps.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any small or medium-size water system that is required to complete the corrosion control steps due to its exceedance of the lead or copper action level may cease completing the treatment steps whenever the system meets both action levels during each of two consecutive monitoring periods conducted pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and submits the results to the department. If any such water system thereafter exceeds the lead or copper action level during any monitoring period, the system shall recommence completion of the applicable treatment steps, beginning with the first treatment step which was not previously completed in its entirety. The department may require a system to repeat treatment steps previously completed by the system when it is determined by the department that this is necessary to implement properly the treatment requirements of this rule. The department will notify the system in writing of such a determination and explain the basis for its decision. The requirement for any small or medium-size system to implement corrosion control treatment steps in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
(including systems deemed to have optimized corrosion control under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1)) is triggered whenever any small or medium-size system exceeds the lead or copper action level.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment steps and deadlines for large systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Except as provided in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) or (3), large systems shall complete the following corrosion control treatment steps (described in the referenced portions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
, and 567—paragraphs
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
) by the dates indicated below.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 1. The system shall conduct initial monitoring pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“1” and 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(2) during two consecutive six-month monitoring periods by January 1, 1993.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 2. The system shall complete corrosion control studies pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
by July 1, 1994.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 3. The department will designate optimal corrosion control treatment within six months of receiving the corrosion control study results (by January 1, 1995).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 4. The system shall install optimal corrosion control treatment by January 1, 1997.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 5. The system shall complete follow-up sampling pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“2” and 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(3) by January 1, 1998.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 6. The department will review installation of treatment and designate optimal water quality control parameters pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
by July 1, 1998.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 7. The system shall operate in compliance with optimal water quality control parameters delineated by the department and continue to conduct tap sampling.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment steps and deadlines for small and medium-size systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Except as provided in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
, small and medium-size systems shall complete the following corrosion control treatment steps (described in subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
and 567—paragraphs
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
) by the indicated time periods listed below.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 1. The system shall conduct initial tap sampling pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“1” and 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(2) until the system either exceeds the lead or copper action level or becomes eligible for reduced monitoring under 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“4.” A system exceeding the lead or copper action level shall recommend optimal corrosion control treatment under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
within six months after the end of the monitoring period during which it exceeds one of the action levels.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 2. Within 12 months after the end of the monitoring period during which a system exceeds the lead or copper action level, the department may require the system to perform corrosion control studies under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
If the system is not required to perform such studies, the department will specify optimal corrosion control treatment under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
as follows: for medium-size systems, within 18 months after the end of the monitoring period during which such system exceeds the lead or copper action level, and, for small systems, within 24 months after the end of the monitoring period during which such system exceeds the lead or copper action level.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 3. If a system is required to perform corrosion control studies under Step 2, the system shall complete the studies (under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
) within 18 months after such studies are required to commence.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 4. If the system has performed corrosion control studies under Step 2, the department will designate optimal corrosion control treatment under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
within six months after completion of Step 3.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 5. The system shall install optimal corrosion control treatment under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
within 24 months after such treatment is designated.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 6. The system shall complete follow-up sampling pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“2” and 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(3) within 36 months after optimal corrosion control treatment is designated.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 7. The department will review the system’s installation of treatment and designate optimal water quality control parameters pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
within six months after completion of Step 6.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(8)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 8. The system shall operate in compliance with the department-designated optimal water quality control parameters under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(and continue to conduct tap sampling as per 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“3” and 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(4)).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.7
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Description of corrosion control treatment requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Each public water supply system shall complete the corrosion control treatment requirements described below which are applicable to such systems under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Public water supply system recommendation regarding corrosion control treatment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Based upon the results of lead and copper tap monitoring and water quality parameter monitoring, small and medium-size water systems exceeding the lead or copper action level shall recommend installation of one or more of the corrosion control treatments listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
which the system believes constitute optimal corrosion control for that system. The department may require the system to conduct additional water quality parameter monitoring in accordance with 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(2) to assist in reviewing the system’s recommendation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Department decision to require studies of corrosion control treatment (applicable to small and medium-size systems).
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may require any small or medium-size system that exceeds the lead or copper action level to perform corrosion control studies under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
to identify optimal corrosion control treatment for the system.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Performance of corrosion control studies.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any public water supply system performing corrosion control studies shall evaluate the effectiveness of each of the following treatments and, if appropriate, combinations of the following treatments to identify the optimal corrosion control treatment: alkalinity and pH adjustment; calcium hardness adjustment; and the addition of a phosphate or silicate-based corrosion inhibitor at a concentration sufficient to maintain an effective residual concentration in all test tap samples.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The water system shall evaluate each of the corrosion control treatments using either pipe rig/loop tests, metal coupon tests, partial-system tests, or analyses based on documented analogous treatments with other systems of similar size, water chemistry and distribution system configuration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The public water supply system shall measure the following water quality parameters in any tests conducted under this paragraph before and after evaluating the corrosion control treatments listed above:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Lead;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Copper;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
pH;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Alkalinity;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Calcium;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
6.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Conductivity;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
7.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Orthophosphate (when an inhibitor containing a phosphate compound is used);
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
8.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Silicate (when an inhibitor containing a silicate compound is used);
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
9.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Water temperature.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The public water supply system shall identify all chemical or physical constraints that limit or prohibit the use of a particular corrosion control treatment and outline such constraints with the following: data and documentation showing that a particular corrosion control treatment has adversely affected other water treatment processes when used by another water system with comparable water quality characteristics; or data and documentation demonstrating that the water system has previously attempted to evaluate a particular corrosion control treatment and has found that the treatment is ineffective or adversely affects other water quality treatment processes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The water system shall evaluate the effect of the chemicals used for corrosion control treatment on other water quality treatment processes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
On the basis of an analysis of the data generated during each evaluation, the water system shall recommend in writing to the department the treatment option that the corrosion control studies indicate constitutes optimal corrosion control treatment for that system. The water system shall provide a rationale for its recommendation along with all supporting documentation required by
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1) through (5).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Department designation of optimal corrosion control treatment.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Based upon consideration of available information including, where applicable, studies performed under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and a system’s recommended treatment alternative, the department will either approve the corrosion control treatment option recommended by the public water supply system, or designate alternative corrosion control treatment(s) from among those listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
The department will consider the effects that additional corrosion control treatment will have on water quality parameters and on other water quality treatment processes (when designating optimal corrosion control treatment).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department will notify the public water supply system of its decision on optimal corrosion control treatment in writing and explain the basis for this determination. If the department requests additional information to aid its review, the public water supply system shall provide the information.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Installation of optimal corrosion control.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Each public water supply system shall properly install and operate throughout its distribution system the optimal corrosion control treatment designated under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Department review of treatment and specification of optimal water quality control parameters.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department will evaluate the results of all lead and copper tap samples and water quality parameter samples submitted by the public water supply system and determine whether the system has properly installed and operated the optimal corrosion control treatment designated in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
{\plain\f4\fs21\cf2\ulc2
Upon reviewing the results of tap water and water quality parameter monitoring by the public water supply system, both before and after the system installs optimal corrosion control treatment, the department will designate the following:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A minimum value or a range of values for pH measured at each entry point to the distribution system;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A minimum pH value, measured in all tap samples. Such value shall be equal to or greater than 7.0 unless meeting a pH level of 7.0 is not technologically feasible or is not necessary for the public water supply system to optimize corrosion control;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a corrosion inhibitor is used, a minimum concentration or a range of concentrations for the inhibitor, measured at each entry point to the distribution system and in all tap samples, necessary to form a passivating film on the interior walls of the pipes of the distribution system;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If alkalinity is adjusted as part of optimal corrosion control treatment, a minimum concentration or a range of concentrations for alkalinity, measured at each entry point to the distribution system and in all tap samples; or
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If calcium carbonate stabilization is used as part of corrosion control, a minimum concentration or a range of concentrations for calcium, measured in all tap samples.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The values for the applicable water quality control parameters listed above shall be those which reflect optimal corrosion control treatment for the public water supply system. The department may designate values for additional water quality control parameters determined by the department to reflect optimal corrosion control for the system. The department will notify the system in writing of these determinations and explain the basis for its decisions.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
g.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Continued operation with optimized corrosion control and water quality parameter monitoring compliance determination.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
All systems optimizing corrosion control shall continue to operate and maintain optimal corrosion control treatment, including maintaining water quality parameters at or above minimum values or within ranges designated by the department under paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“f,”
}
{\plain\f4\fs21\cf2\ulc2
in accordance with this paragraph for all samples collected under 567—subparagraphs
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(4) through (6). Compliance with the requirements of this paragraph shall be determined every six months, as specified under 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(4). A water system is out of compliance with the requirements of this paragraph for a six-month period if it has excursions for any department-specified parameter on more than nine days during the period. An excursion occurs whenever the daily value for one or more of the water quality parameters measured at a sampling location is below the minimum value or outside the range designated by the department. Daily values are calculated as follows. The department has the discretion to invalidate results of obvious sampling errors from this calculation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
On days when more than one measurement for the water quality parameter is collected at the sampling location, the daily value shall be the average of all results collected during the day regardless of whether they are collected through continuous monitoring, grab sampling, or a combination of both.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
On days when only one measurement for the water quality parameter is collected at the sampling location, the daily value shall be the result of that measurement.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
On days when no measurement is collected for the water quality parameter at the sampling location, the daily value shall be the daily value calculated on the most recent day on which the water quality parameter was measured at the sample site.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
h.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Modification of department treatment decisions.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A determination of the optimal corrosion control treatment under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
or optimal water quality control parameters under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
may be modified. A request for modification by a public water supply system or other interested party shall be in writing, explain why the modification is appropriate, and provide supporting documentation. The department may modify its determination when it concludes that such change is necessary to ensure that the public water supply system continues to optimize corrosion control treatment. A revised determination will be made in writing, which will set forth the new treatment requirements, explain the basis for the decision, and provide an implementation schedule for completing the treatment modifications.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.7
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Source water treatment requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Public water supply systems shall complete the applicable source water monitoring and treatment requirements, as described in the referenced portions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
and in 567—paragraphs
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“e,”
}
{\plain\f4\fs21\cf2\ulc2
by the following deadlines.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Deadlines for completing source water treatment steps.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 1. A public water supply system exceeding the lead or copper action level shall complete lead and copper source water monitoring under 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
(2) and make a written treatment recommendation to the department no later than 180 days after the end of the monitoring period during which the lead or copper action level was exceeded.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 2. The department will make a determination regarding source water treatment pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) within six months after submission of monitoring results under Step 1.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 3. If installation of source water treatment is required, the system shall install the treatment pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3) within 24 months after completion of Step 2.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 4. The public water supply system shall complete follow-up tap water monitoring under 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“2” and source water monitoring under 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
(3) within 36 months after completion of Step 2.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 5. The department will review the system’s installation and operation of source water treatment and specify maximum permissible source water levels under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(4) within six months after completion of Step 4.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 6. The public water supply system shall operate in compliance with the specified maximum permissible lead and copper source water levels under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(4) and continue source water monitoring pursuant to 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
(4).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Description of source water treatment requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
System treatment recommendation. Any system which exceeds the lead or copper action level shall recommend in writing to the department the installation and operation of one of the source water treatments listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2). A system may recommend that no treatment be installed based upon a demonstration that source water treatment is not necessary to minimize lead and copper levels at users’ taps.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Source water treatment determinations. The department will complete an evaluation of the results of all source water samples submitted by the public water supply system to determine whether source water treatment is necessary to minimize lead or copper levels in water delivered to users’ taps. If the department determines that treatment is needed, the department will require installation and operation of the source water treatment recommended by the public water supply system or require the installation and operation of another source water treatment from among the following: ion exchange, reverse osmosis, lime softening or coagulation/filtration. If the department requests additional information to aid in its review, the water system shall provide the information by the date specified in its request. The department will notify the system in writing of its determination and set forth the basis for its decision.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Installation of source water treatment. Public water supply systems shall properly install and operate the source water treatment designated by the department under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Department review of source water treatment and specification of maximum permissible source water levels. The department will review the source water samples taken by the water supply system both before and after the system installs source water treatment and determine whether the public water supply system has properly installed and operated the designated source water treatment. Based upon its review, the department will designate maximum permissible lead and copper concentrations for finished water entering the distribution system. Such levels shall reflect the contaminant removal capability of the treatment (properly operated and maintained). The department will notify the public water supply system in writing and explain the basis for its decision.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Continued operation and maintenance. Each public water supply system shall maintain lead and copper levels below the maximum permissible concentrations designated by the department at each sampling point monitored in accordance with 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e.”
}
{\plain\f4\fs21\cf2\ulc2
The system is out of compliance with this paragraph if the level of lead or copper at any sampling point is greater than the maximum permissible designated concentration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Modification of source water treatment decisions. The department may modify its determination of the source water treatment under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(6), or maximum permissible lead and copper concentrations for finished water entering the distribution system under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(4). A request for modification by a public water supply system or other interested party shall be in writing, explain why the modification is appropriate, and provide supporting documentation. The department may modify its determination where it concludes that such change is necessary to ensure that the system continues to minimize lead and copper concentrations in source water. A revised determination will be made in writing, set forth the new treatment requirements, explain the basis for the decision, and provide an implementation schedule for completing the treatment modifications.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.7
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Lead service line replacement requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Public water supply systems that fail to meet the lead action level in tap samples taken pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“2” after installing corrosion control or source water treatment (whichever sampling occurs later) shall replace lead service lines in accordance with the requirements of this subrule. If a system is in violation of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
for failure to install source water or corrosion control treatment, the department may require the system to commence lead service line replacement under this subrule after the date by which the system was required to conduct monitoring under 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)“2” has passed.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Lead service line replacement schedule.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water supply system shall replace annually at least 7 percent of the initial number of lead service lines in its distribution system. The initial number of lead service lines is the number of lead lines in place at the time the replacement program begins. The system shall identify the initial number of lead service lines in its distribution system, including an identification of the portion(s) owned by the system, based upon a materials evaluation, including the evaluation required under 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1), and relevant legal authorities regarding the portion owned by the system such as contracts and local ordinances.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The first year of lead service line replacement shall begin on the first day following the end of the monitoring period in which the action level was exceeded in tap sampling referenced in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
{\plain\f4\fs21\cf2\ulc2
If monitoring is required annually or less frequently, the end of the monitoring period is September 30 of the calendar year in which the sampling occurs. If the department has established an alternate monitoring period, then the end of the monitoring period will be the last day of that period.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any water system resuming a lead service line replacement program after the cessation of its lead service line replacement program as allowed by 43.7(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
shall update its inventory of lead service lines to include those sites that were previously determined not to require replacement through the sampling provision under 43.7(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
The system will then divide the updated number of remaining lead service lines by the number of remaining years in the program to determine the number of lines that must be replaced per year. Seven percent lead service line replacement is based on a 15-year replacement program. For example, systems resuming lead service line replacement after previously conducting two years of replacement would divide the updated inventory by 13.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For those systems that have completed a 15-year lead service line replacement program, the department will determine a schedule for replacing or retesting lines that were previously exempted through testing under 43.7(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
from the replacement program when the system re-exceeds the action level.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Exemption to lead service line replacement requirement.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water supply system is not required to replace an individual lead service line if the lead concentration in all service line samples from that line, taken pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(2)“3,” is less than or equal to 0.015 mg/L.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Lead service line replacement requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A water system shall replace that portion of the lead service line that it owns. In cases where the system does not own the entire lead service line, the system shall notify the owner of the line, or the owner’s authorized agent, that the system will replace the portion of the service line that it owns and shall offer to replace the owner’s portion of the line. A system is not required to bear the cost of replacing the privately owned portion of the line, nor is it required to replace the privately owned portion of the line where the owner chooses not to pay the cost of replacing the privately owned portion of the line, or where replacing the privately owned portion would be precluded by state, local, or common law. A water system that does not replace the entire length of the service line shall complete the following tasks.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Notification of residents. At least 45 days prior to commencing with the partial replacement of a lead service line, the water system shall provide to the resident(s) of all buildings served by the line notice explaining that the resident(s) may experience a temporary increase of lead levels in their drinking water, along with guidance on measures consumers may take to minimize their exposure to lead. The department may allow the water system to provide this notice less than 45 days prior to commencing partial lead service line replacement where such replacement is in conjunction with emergency repairs. In addition, the water system shall inform the resident(s) served by the line that the system will, at the system’s expense, collect from each partially replaced lead service line a sample that is representative of the water in the service line for analysis of lead content, as prescribed under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—paragraph 41.4(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
}}
{\plain\f4\fs21\cf2\ulc2
(2)“3,” within 72 hours after the completion of the partial replacement of the service line. The system shall collect the sample and report the results of the analysis to the owner and the resident(s) served by the line within three business days of receiving the results. Mailed notices postmarked within three business days of receiving the results shall be considered “on time.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Notification methods. The water system shall provide the information required by subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(1) to the residents of individual dwellings by mail or by other methods approved by the department. In instances where multifamily dwellings are served by the line, the water system shall have the option to post the information at a conspicuous location.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Lead service line control—department review.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Rescinded
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/bulletin/01-07-2004.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
IAB 1/7/04
}
}}
{\plain\f4\fs21\cf2\ulc2
, effective 2/11/04.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Lead service line replacement schedule.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may require a public water supply system to replace lead service lines on a shorter schedule than that required by this subrule, taking into account the number of lead service lines in the system, where such a shorter replacement schedule is feasible. The department will make this determination in writing and notify the system of its finding within six months after the system is triggered into lead service line replacement based on monitoring referenced in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
g.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Cessation of lead service line replacement.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any public water supply system may cease replacing lead service lines whenever first draw samples collected pursuant to 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.41.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
41.4(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(2)“2” meet the lead action level during each of two consecutive monitoring periods and the system submits the results. If the first draw tap samples collected in any such water system thereafter exceed the lead action level, the system shall recommence replacing lead service lines, as detailed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
h.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Lead service line replacement reporting requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
To demonstrate compliance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.7(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
through
}
{\plain\f4\fs21\i\cf2\ulc2
“d,”
}
{\plain\f4\fs21\cf2\ulc2
a system shall report the information specified in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.4(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e.”
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12;
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 3735C
}
}}
{\plain\f4\fs16\cf2
, IAB 4/11/18, effective 5/16/18]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
8
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Viability assessment.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.8
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Definitions specific to viability assessment.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“
}
{\plain\f4\fs21\i\cf2\ulc2
New system
}
{\plain\f4\fs21\i\cf2\ulc2
”
}
{\plain\f4\fs21\i\cf2\ulc2
\~
}
{\plain\f4\fs21\cf2\ulc2
for viability assessment purposes includes public water supply systems which are newly constructed after the effective date of this rule, as well as systems which do not currently meet the definition of a PWS, but which expand their infrastructure and thereby grow to become a PWS. Systems not currently meeting the definition of a PWS and which add additional users and thereby become a PWS without constructing any additional infrastructure are not “new systems” for the purposes of this subrule.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“
}
{\plain\f4\fs21\i\cf2\ulc2
Nonviable system
}
{\plain\f4\fs21\i\cf2\ulc2
”
}
{\plain\f4\fs21\i\cf2\ulc2
\~
}
{\plain\f4\fs21\cf2\ulc2
for viability assessment purposes means a system lacking the technical, financial, and managerial ability to comply with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.40.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 40
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
81
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“
}
{\plain\f4\fs21\i\cf2\ulc2
Significant noncompliance (SNC)
}
{\plain\f4\fs21\i\cf2\ulc2
”
}
{\plain\f4\fs21\i\cf2\ulc2
\~
}
{\plain\f4\fs21\cf2\ulc2
for viability assessment purposes means the failure to comply with any drinking water standard as adopted by the state of Iowa as designated by the department.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“
}
{\plain\f4\fs21\i\cf2\ulc2
Viability
}
{\plain\f4\fs21\i\cf2\ulc2
”
}
{\plain\f4\fs21\i\cf2\ulc2
\~
}
{\plain\f4\fs21\cf2\ulc2
for viability assessment purposes is the ability to remain in compliance insofar as the requirements of the federal Safe Drinking Water Act and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.40.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 40
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
81
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“
}
{\plain\f4\fs21\i\cf2\ulc2
Viable system
}
{\plain\f4\fs21\i\cf2\ulc2
”
}
{\plain\f4\fs21\i\cf2\ulc2
\~
}
{\plain\f4\fs21\cf2\ulc2
for viability assessment purposes means a system with the technical, financial, and managerial ability to comply with applicable drinking water standards adopted by the state of Iowa.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.8
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability and purpose.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
These rules apply to all new and existing public water supplies, including the following: new systems commencing operation after October 1, 1999; systems deemed to be in significant noncompliance with the primary drinking water standards; DWSRF applicants; and existing systems. The purpose of the viability assessment program is to ensure the safety of the public drinking water supplies and ensure the viability of new public water supply systems upon commencement of operation. The department may assess public notification requirements and administrative penalties to any public water supply system which fails to fulfill the requirements of this rule.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.8
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Contents of a viability assessment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The viability assessment must address the areas of technical, financial, and managerial viability for a public water supply system. The assessment must include evaluation of the following areas at a minimum, and the public water supply system may be required to include additional information as directed by the department. The viability of a system should be forecast for a 20-year period.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Technical viability.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Supply sources and facilities
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Treatment
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Infrastructure (examples: pumping, storage, distribution)
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Financial viability.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Capital and operating costs
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Revenue sources
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Contingency plans
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Managerial viability.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Operation
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Maintenance
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Management
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Administration
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.8
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
New systems.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Submission of system viability assessment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
New public water supply systems (including community, nontransient noncommunity systems, and transient noncommunity systems) commencing operation after the effective date of this rule are required to submit a completed system viability assessment for review by the department, prior to obtaining a construction permit. The viability assessment may be submitted with the application for a construction permit. The department may reject receipt or delay review of the construction plans and specifications until an adequate viability assessment is provided. If the department finds, upon review and approval of the viability assessment, that the PWS will be viable, a construction permit will be issued in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.40.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 40
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.43.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43
}
}}
{\plain\f4\fs21\cf2\ulc2
. Prior to beginning operation, a public water supply operation permit must be obtained in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.2
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—40.5
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Review of the viability assessment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If the department declines to approve the viability assessment as submitted by the applicant, or if the department finds that the PWS is not viable, approval of construction and operation permit applications will be denied. If the viability assessment is conditionally approved, construction and operation permits will be issued, with conditions and a schedule to achieve compliance specified in the operation permit.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.8
}
{\plain\f4\fs21\b\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Existing systems.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Submission of system viability assessment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any community, nontransient noncommunity, or transient noncommunity water system which operated prior to October 1, 1999, and was regulated as a public water system by the department shall be considered an existing system. Any system which does not currently meet the definition of a PWS, but which expands their infrastructure and thereby grows to become a PWS is considered a new system. Systems not currently meeting the definition of a PWS and which add additional users and thereby become a PWS without constructing any additional infrastructure are considered existing systems for the purposes of this subrule. All PWSs should complete a viability assessment. However, only those existing PWSs which meet one or more of the following criteria are required to complete a viability assessment for the department’s review and approval.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems applying for DWSRF loan funds.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems categorized as being in significant noncompliance by the department, due to their history of failure to comply with drinking water standards.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems identified by the department via a sanitary survey as having technical, managerial, or financial problems as evidenced by such conditions as poor operational control, a poor state of repair or maintenance, vulnerability to contamination, or inability to maintain adequate distribution system operating pressures.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems which have been unable to retain a certified operator in accordance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Review of viability assessments for systems required to submit an assessment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If the assessment is incomplete and does not include all of the required elements, the supply will be notified in writing and will be given an opportunity to modify and resubmit the assessment within the time period specified by the department. If the system fails to resubmit a completed viability assessment as specified by the department, the department may find that the system is not viable. If the submitted assessment is complete, the department will either indicate that the system is viable or not viable after the assessment review process. The system will be notified of the results of the evaluation by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Review of voluntarily submitted viability assessments.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
It is recommended that all existing systems complete the viability assessment and submit it to the department. Voluntarily submitted assessments may be reviewed upon request and will be exempt from any requirements to modify the assessment if it is not approved, or from a determination that the system is not viable, providing the system does not meet any of the criteria for mandatory completion of a viability assessment as set forth in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.8.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.8(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
above.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.8
}
{\plain\f4\fs21\b\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Systems which are determined to be not viable.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Applicability. The following applies to community, nontransient noncommunity, and transient noncommunity systems:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems applying for DWSRF loan funds must be viable, or the loan funds must be used to assist the system in attaining viable status. If a system making a loan application is found to be not viable, and loan funds will not be sufficient or available to ensure viability, then the situation must be corrected to the department’s satisfaction prior to qualification to apply for loan funds.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems which meet the department’s criteria of significant noncompliance are not considered viable. The viability assessment completed by the public water supply and the most recent sanitary survey results will be evaluated by the department to assist the system in returning to and remaining in compliance, which would achieve viability. Required corrective actions will be specified in the system’s operation permit and will include a compliance schedule. Field office inspections will be conducted on an as-needed basis to assist the system in implementing the required system improvements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems experiencing technical, managerial, or financial problems as noted by department in the sanitary survey will be considered not viable. The viability assessment completed by the public water supply will be evaluated by the department to assist the system in attaining viability, and any required corrective actions will be specified in the system’s operation permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems unable to retain a certified operator will be considered not viable. All community and nontransient noncommunity water systems, and transient noncommunity water systems as denoted by the department, are required to have a certified operator who meets the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.81.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 81
}
}}
{\plain\f4\fs21\cf2\ulc2
. The viability assessment completed by the public water supply will be used to determine the source of the problem, and required corrective actions will be specified in the system’s operation permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Reserved.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.8
}
{\plain\f4\fs21\b\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Revocation or denial of operation or construction permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Revocation or denial of an operation permit.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Failure to correct the deficiencies regarding viability, as identified in accordance with a compliance schedule set by the department, may result in revocation or denial of the system’s operation permit. If the department revokes or denies the operation permit, the owner of the system must negotiate an alternative arrangement with the department for providing treatment or water supply services within 30 days of receipt of the notification by the department unless the owner of the supply appeals the decision to the department. The public water supply is required to provide water that continually meets all health-based standards during the appeal process.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Denial of new construction permits for an existing system.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
In addition to the criteria provided in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.40.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 40
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.44.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
44
}
}}
{\plain\f4\fs21\cf2\ulc2
, new construction permits for water system improvements may be denied until the system makes the required corrections and attains viable status unless the proposed project is necessary to attain viability.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Failure to conform to approved construction plans and specifications, or to comply with the requirements of 567—Chapters 40 to 44.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Failure of a project to conform to approved construction plans and specifications, or failure to comply with the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.40.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapters 40
}
}}
{\plain\f4\fs21\cf2\ulc2
to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.44.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
44
}
}}
{\plain\f4\fs21\cf2\ulc2
, constitutes grounds for the director to withhold the applicable construction and operation permits. The system is then responsible for ensuring that the identified problem with the project is rectified so that permits may be issued. Once an agreement for correcting the problem is reached between the department and the system, the department will issue the appropriate permits according to the provisions of the agreement. If an agreement cannot be reached within a reasonable time period, the permit shall be denied.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Contents of the notification denying the permit.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The notification of denial or withholding approval of the operation or construction permit will state the department’s reasons for withholding or denying permit approval.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.8
}
{\plain\f4\fs21\b\cf2\ulc2
(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Appeals.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Request for formal review of determination of viability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A person or entity who disagrees with the decision regarding the viability of a public water supply system may request a formal review of the action. A request for review must be submitted in writing to the director by the owner or their designee within 30 days of the date of notification by the department of the viability decision.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Appeal of denial of operation or construction permit.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A decision to deny an operation or construction permit may be appealed by the applicant to the environmental protection commission pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/chapter/567.7.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—Chapter 7
}
}}
{\plain\f4\fs21\cf2\ulc2
. The appeal must be made in writing to the director within 30 days of receiving the notice of denial by the owner of the public water supply.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
9
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Enhanced filtration and disinfection requirements for surface water and IGW systems serving at least 10,000 people.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.9
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The requirements of this rule constitute national primary drinking water regulations. This rule establishes the filtration and disinfection requirements that are in addition to criteria under which filtration and disinfection are required in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.5
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). The requirements of this rule are applicable, beginning January 1, 2002, to all public water systems using surface water or groundwater under the direct influence of surface water, in whole or in part, and which serve at least 10,000 people. This rule establishes or extends treatment technique requirements in lieu of maximum contaminant levels for the following contaminants:
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
, viruses, heterotrophic plate count bacteria,
}
{\plain\f4\fs21\i\cf2\ulc2
Legionella
}
{\plain\f4\fs21\cf2\ulc2
,
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
, and turbidity. Each surface water or groundwater under the direct influence of surface water system serving at least 10,000 people must provide treatment of its source water that complies with these treatment technique requirements and they are in addition to those identified in subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
. The treatment technique requirements consist of installing and properly operating water treatment processes that reliably achieve:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
At least 99 percent (2-log) removal of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
between a point where the raw water is not subject to recontamination by surface water runoff and a point downstream before or at the first customer for filtered systems.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Compliance with the profiling and benchmark requirements under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may require other surface water or groundwater under the direct influence of surface water systems to comply with this rule, through an operation permit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Compliance determination.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water system subject to the requirements of this rule is considered to be in compliance with the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(1)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
if it meets the applicable filtration requirements in either
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
or
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
and the disinfection requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.6.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.6(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Prohibition of new construction of uncovered intermediate or finished water storage facilities.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems that are required to comply with this rule may construct only covered intermediate or finished water storage facilities. For the purposes of this rule, an intermediate storage facility is defined as a storage facility or reservoir after the clarification treatment process.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Systems with populations that increased after January 1, 2002, to more than 10,000 people served.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems using surface water or influenced groundwater sources that did not conduct optional monitoring under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
because they served fewer than 10,000 persons when such monitoring was required, but serve more than 10,000 persons prior to January 1, 2005, must comply with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
,
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
,
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
, and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
. These systems must also consult with the department to establish a disinfection benchmark. A system that decides to make a significant change to its disinfection practice as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
}}
{\plain\f4\fs21\cf2\ulc2
“1” through “4” must consult with the department prior to making such a change.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.9
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection profiling and benchmarking.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Determination of systems required to profile.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A public water system subject to the requirements of this rule must determine its total trihalomethane (TTHM) and haloacetic acid (HAA5) annual averages using the procedures listed below. The annual average is the arithmetic average of the quarterly averages of four consecutive quarters of monitoring. Both the TTHM and HAA5 samples must be collected as paired samples during the same time period in order for each parameter to have the same annual average period for result comparison. A paired sample is one that is collected at the same location and time and is analyzed for both TTHM and HAA5 parameters.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Allowance of information collection rule data. Those systems that collected data under the provisions of the federal Information Collection Rule listed in Code of Federal Regulations Title 40, Part 141, Subpart M, must use the results of the TTHM and HAA5 samples collected during the last four quarters of monitoring required under 40 CFR 141.142. The system must have submitted the results of the samples collected during the last 12 months of required monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems that have not collected TTHM and HAA5 data under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1). Those systems that have not collected four consecutive quarters of paired TTHM and HAA5 samples as described under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) must comply with all other provisions of this subrule as if the HAA5 monitoring had been conducted and the results of that monitoring required compliance with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
The system that elects this option must notify the department in writing of its decision.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may require that a system use a more representative annual data set than the data set determined under 567—subparagraph 42.9(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) for the purpose of determining applicability of the requirements of this subrule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Profiling determination criteria. Any system having either a TTHM annual average greater than 0.064 mg/L or an HAA5 annual average greater than 0.048 mg/L during the period identified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) through (3) must comply with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection profiling.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Applicability. Any system that meets the criteria in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(4) must develop a disinfection profile of its disinfection practice for a period of up to three years.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Monitoring requirements. The system must monitor daily for a period of 12 consecutive calendar months to determine the total logs of inactivation for each day of operation, based on the CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
values in Tables 1 through 8 in Appendix A, as appropriate, through the entire treatment plant. This system must begin this monitoring as directed by the department. As a minimum, the system with a single point of disinfectant application prior to entrance to the distribution system must conduct the monitoring in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2)“1” through “4.” A system with more than one point of disinfectant application must conduct the monitoring in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2)“1” through “4” for each disinfection segment. The system must monitor the parameters necessary to determine the total inactivation ratio, using analytical methods in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
as follows:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The temperature of the disinfected water must be measured once per day at each residual disinfectant concentration sampling point during peak hourly flow.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the system uses chlorine, the pH of the disinfected water must be measured once per day at each chlorine residual disinfectant concentration sampling point during peak hourly flow.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfectant contact time(s) (“T”) must be determined for each day during peak hourly flow.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The residual disinfectant concentration(s) (“C”) of the water before or at the first customer and prior to each additional point of disinfection must be measured each day during peak hourly flow.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Use of existing data. A system that has existing operational data may use those data to develop a disinfection profile for additional years, in addition to the disinfection profile generated under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2). Such systems may use these additional yearly disinfection profiles to develop a benchmark under the provisions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
The department must determine whether these operational data are substantially equivalent to data collected under the provisions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2). These data must also be representative of inactivation through the entire treatment plant and not just of certain treatment segments.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Calculation of the total inactivation ratio. The system must calculate the total inactivation ratio as follows, using the CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
values from Tables 1 through 8 listed in Appendix A:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
1. If the system uses only one point of disinfectant application, the system may determine the total inactivation ratio for the disinfection segment based on either of the following two methods:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Determine one inactivation ratio (CTcalc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) before or at the first customer during peak hourly flow.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Determine successive CTcalc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
values, representing sequential inactivation ratios, between the point of disinfectant application and a point before or at the first customer during peak hourly flow. Under this alternative, the system must calculate the total inactivation ratio by determining (CTcalc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) for each sequence and then adding the (CTcalc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) values together to determine \u931?(CTcalc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
2. If the system uses more than one point of disinfectant application before the first customer, the system must determine the CT value of each disinfection segment immediately prior to the next point of disinfectant application, or for the final segment, before or at the first customer, during peak hourly flow. The CTcalc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
value of each segment and \u931?(CTcalc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) must be calculated using the method in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(4)“1.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must determine the total logs of inactivation by multiplying the value calculated in 43.9(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(4)“1” or “2” by 3.0.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems using chloramines or ozone. A system that uses either chloramines or ozone for primary disinfection must also calculate the logs of inactivation for viruses using a method approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Profile retention requirements. The system must retain disinfection profile data in graphic form, as a spreadsheet, or in some other format acceptable to the department for review as part of sanitary surveys conducted by the department. The department may require the system to submit the data to the department directly or as part of a monthly operation report.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection benchmarking.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Significant change to disinfection practice. Any system required to develop a disinfection profile under the provisions of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
that decides to make a significant change to its disinfection practice must obtain department approval prior to making such change. Significant changes to disinfection practice are:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Changes to the point of disinfection;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Changes to the disinfectant(s) used in the treatment plant;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Changes to the disinfection process; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any other modification identified by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Calculation of the disinfection benchmark. Any system that is modifying its disinfection practice must calculate its disinfection benchmark using the procedure specified below:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For each year of profiling data collected and calculated under 43.9(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
the system must determine the lowest average monthly
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
inactivation in each year of profiling data. The system must determine the average
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
inactivation for each calendar month for each year of profiling data by dividing the sum of daily
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
inactivation by the number of values calculated for that month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfection benchmark is the lowest monthly average value (for systems with one year of profiling data) or average of lowest monthly average values (for systems with more than one year of profiling data) of the monthly logs of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
inactivation in each year of profiling data.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A system that uses either chloramines or ozone for primary disinfection must also calculate the disinfection benchmark for viruses using a method approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must submit the following information to the department as part of its consultation process:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A description of the proposed change;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfection profile for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
(and, if necessary, viruses) under 43.9(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
and the disinfection benchmark as required by 43.9(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(2); and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
An analysis of how the proposed change will affect the current levels of disinfection.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.9
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Conventional filtration treatment or direct filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity requirement in 95 percent of samples. For systems using conventional filtration or direct filtration, the turbidity level of representative samples of a system’s filtered water (combined filter effluent or CFE) must be less than or equal to 0.3 NTU in at least 95 percent of the measurements taken each month, measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Maximum turbidity level. The turbidity level of representative samples of a system’s filtered water (combined filter effluent or CFE) must at no time exceed 1 NTU, measured as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1). If at any time the combined filter effluent turbidity exceeds 1 NTU, either in a grab sample used for compliance or in a continuously monitored flow, the system must inform the department as soon as possible, but no later than 24 hours after the exceedance is known, in accordance with the public notification requirements under 567—subparagraph 42.1(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems with lime-softening treatment. A system that uses lime softening may acidify representative samples prior to analysis using a protocol approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Filtration technologies other than conventional filtration treatment, direct filtration, slow sand filtration, or diatomaceous earth filtration.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may allow a public water system to use a filtration technology not listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
if it demonstrates to the department, using pilot plant studies or other means, that the alternative filtration technology, in combination with disinfection treatment that meets the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
, consistently achieves 99.9 percent removal or inactivation of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
cysts, 99.99 percent removal or inactivation of viruses, and 99 percent removal of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
oocysts and the department approves the use of the filtration technology. For each approval, the department will set turbidity performance requirements that the system must meet at least 95 percent of the time and the requirement that the system shall not exceed at any time at a level that consistently achieves 99.9 percent removal or inactivation of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
cysts, 99.99 percent removal or inactivation of viruses, and 99 percent removal of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
oocysts.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.9
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Filtration sampling requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Monitoring requirements for systems using filtration treatment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
In addition to monitoring required by
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
, a public water system subject to the requirements of this rule that provides conventional filtration treatment or direct filtration must conduct continuous monitoring of turbidity for each individual filter using an approved method in 43.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) and must calibrate turbidimeters at least every 90 days with a primary standard. The calibration of each turbidimeter used for compliance must be verified at least once per week with a primary standard, secondary standards, or the manufacturer’s proprietary calibration confirmation device or by a method approved by the department. If the verification is not within plus or minus 0.05 NTU for measurements of less than or equal to 0.5 NTU, or within plus or minus 10 percent of measurements greater than 0.5 NTU, then the turbidimeter must be recalibrated. Systems must record the results of individual filter monitoring every 15 minutes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Failure of the continuous turbidity monitoring equipment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If there is a failure in the continuous turbidity monitoring equipment, the system must conduct grab sampling every four hours in lieu of continuous monitoring until the turbidimeter is repaired and back online. A system has a maximum of five working days after failure to repair the equipment, or else it is in violation.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.9
}
{\plain\f4\fs21\b\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting and record-keeping requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
In addition to the reporting and record-keeping requirements in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.4(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c,”
}
{\plain\f4\fs21\cf2\ulc2
a system subject to the requirements of this rule that provides conventional filtration treatment or direct filtration must report monthly to the department the information specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
beginning January 1, 2002. In addition to the reporting and record-keeping requirements in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.4(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c,”
}
{\plain\f4\fs21\cf2\ulc2
a system subject to the requirements of this rule that provides filtration approved under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
must report monthly to the department the information specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
beginning January 1, 2002. The reporting in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
is in lieu of the reporting specified in 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.4(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Turbidity.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Turbidity measurements as required by
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
must be reported in a format acceptable to the department and within ten days after the end of each month that the system serves water to the public. Information that must be reported includes:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The total number of filtered water (combined filter effluent or CFE) turbidity measurements taken during the month;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The number and percentage of filtered water (combined filter effluent or CFE) turbidity measurements taken during the month which are less than or equal to the turbidity limits specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The date and value of any combined filter effluent or CFE turbidity measurements taken during the month which exceed 1 NTU for systems using conventional filtration treatment or direct filtration or which exceed the maximum level set by the department under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The dates and summary of calibration and verification of all compliance turbidimeters.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Individual filter turbidity monitoring.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must maintain the results of individual filter turbidity per monitoring taken under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
for at least three years. Systems must report to the department that they have conducted individual filter turbidity monitoring under 43.9(4) within ten days after the end of each month that the system serves water to the public. Systems must report to the department individual filter turbidity measurement results taken under 43.9(4) within ten days after the end of each month that the system serves water to the public only if measurements demonstrate one or more of the conditions specified in 43.9(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1) through (4). Systems that use lime softening may apply to the department for alternative exceedance levels for the levels specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1) through (4) if they can demonstrate that higher turbidity levels in individual filters are due to lime carryover only and not due to degraded filter performance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For any individual filter that has a measured turbidity level of greater than 1.0 NTU in two consecutive measurements taken 15 minutes apart, the system must report the filter number, the turbidity measurement, and the date(s) on which the exceedance occurred. In addition, the system must either produce a filter profile for the filter within seven days of the exceedance (if the system is not able to identify an obvious reason for the abnormal filter performance) and report that the profile has been produced or report the obvious reason for the exceedance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For any individual filter that has a measured turbidity level of greater than 0.5 NTU in two consecutive measurements taken 15 minutes apart anytime following the first four hours of continuous filter operation after the filter has been backwashed or otherwise taken offline, the system must report the filter number, the turbidity, and the date(s) on which the exceedance occurred. In addition, the system must either produce a filter profile for the filter within seven days of the exceedance (if the system is not able to identify an obvious reason for the abnormal filter performance) and report that the profile has been produced or report the obvious reason for the exceedance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For any individual filter that has a measured turbidity level of greater than 1.0 NTU in two consecutive measurements taken 15 minutes apart at any time in each month of three consecutive months, the system must report the filter number, the turbidity measurement, and the date(s) on which the exceedance occurred. In addition, the system must conduct a self-assessment of the filter within 14 days of the exceedance and report that the self-assessment was conducted. The self-assessment must consist of at least the following components: assessment of filter performance; development of a filter profile; identification and prioritization of factors limiting filter performance; assessment of the applicability of corrections; and preparation of a filter self-assessment report.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For any individual filter that has a measured turbidity level of greater than 2.0 NTU in two consecutive measurements taken 15 minutes apart at any time in each month of two consecutive months, the system must report the filter number, the turbidity measurement, and the date(s) on which the exceedance occurred. In addition, the system must arrange for a comprehensive performance evaluation to be conducted by the department or a third party approved by the department no later than 30 days following the exceedance and have the evaluation completed and submitted to the department no later than 90 days following the exceedance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Additional reporting requirement for turbidity combined filter effluent.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If at any time the turbidity exceeds 1 NTU in representative samples of filtered water (combined filter effluent or CFE) in a system using conventional filtration treatment or direct filtration, the system must consult with the department as soon as practical, but no later than 24 hours after the exceedance is known, in accordance with the public notification requirements under 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.1(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If at any time the turbidity in representative samples of filtered water (combined filter effluent or CFE) exceeds the maximum level set by the department under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
for filtration technologies other than conventional filtration treatment, direct filtration, slow sand filtration, or diatomaceous earth filtration, the system must consult with the department as soon as practical, but no later than 24 hours after the exceedance is known, in accordance with the public notification requirements under 567—subparagraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.1(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12;
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 3735C
}
}}
{\plain\f4\fs16\cf2
, IAB 4/11/18, effective 5/16/18]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
10
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Enhanced filtration and disinfection requirements for surface water and IGW systems serving fewer than 10,000 people.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.10
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The requirements of this rule constitute national primary drinking water regulations. This rule establishes requirements for filtration and disinfection that are in addition to criteria under which filtration and disinfection are required in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.5
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). The requirements of this rule are applicable beginning January 1, 2005, unless otherwise noted, to all public water systems using surface water or groundwater under the direct influence of surface water, in whole or in part, and which serve less than 10,000 people. This rule establishes or extends treatment technique requirements in lieu of maximum contaminant levels for the following contaminants:
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
, viruses, heterotrophic plate count bacteria,
}
{\plain\f4\fs21\i\cf2\ulc2
Legionella
}
{\plain\f4\fs21\cf2\ulc2
,
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
, and turbidity. The treatment technique requirements consist of installing and properly operating water treatment processes which reliably achieve:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
At least 99 percent (2 log) removal of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
between a point where the raw water is not subject to recontamination by surface water runoff and a point downstream before or at the first customer for filtered systems; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Compliance with the profiling and benchmark requirements in subrules
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Prohibition of new construction of uncovered intermediate or finished water storage facilities.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems that are required to comply with this rule may construct only covered intermediate or finished water storage facilities. For the purposes of this rule, an intermediate storage facility is defined as a storage facility or reservoir after the clarification treatment process.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.10
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection profile.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A disinfection profile is a graphical representation of a system’s level of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
or virus inactivation measured during the course of a year. All systems required to comply with this rule must develop a disinfection profile unless the department determines that such a profile is unnecessary. Records must be maintained according to subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may approve the use of a more representative data set for disinfection profiling than the data set required in paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may determine that a system’s profile is unnecessary only if a system’s TTHM and HAA5 levels are below 0.064 mg/L and 0.048 mg/L, respectively. To determine these levels, TTHM and HAA5 samples must be collected after January 1, 1998, during the month with the warmest water temperature, and at the point of maximum residence time in the distribution system. The department may approve the use of a more representative annual data set for purpose of determining applicability of the requirements of this subrule. The annual data set must be calculated on an annual average, of the arithmetic average of the quarterly averages of four consecutive quarters of monitoring. At least 25 percent of the samples collected in each quarter must be collected at the maximum residence time location in the distribution system.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
1. For systems that provide water to other public water supplies, if the producing system meets the byproduct level requirements of less than 0.064 mg/L for TTHM and less than 0.048 mg/L for HAA5, it will not be required to develop a disinfection profile and benchmark unless:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The consecutive system cannot meet in its distribution system the byproduct level requirements of less than 0.064 mg/L for TTHM and less than 0.048 mg/L for HAA5, and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The producing system wants to make a significant change to its disinfection practices.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
2. The department will then assign the requirement to the producing system to conduct the disinfection profiling study and determine a disinfection benchmark.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Required elements of a disinfection profile.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Collection of the following data for 12 consecutive months, beginning by July 1, 2003, for systems serving 500 to 9,999 people, and by January 1, 2004, for systems serving fewer than 500 people. A system must monitor the following parameters to determine the total log inactivation by using the analytical methods in paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a,”
}
{\plain\f4\fs21\cf2\ulc2
once per week on the same calendar day, over 12 consecutive months.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Temperature of the disinfected water at each residual disinfectant concentration sampling point during peak hourly flow, measured in degrees Celsius;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For systems using chlorine, the pH of the disinfected water at each residual disinfectant concentration sampling point during peak hourly flow, measured in standard pH units;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfectant contact time (“T”) during peak hourly flow, measured in minutes; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The residual disinfectant concentration(s) (“C”) of the water following each point of disinfection at a point(s) prior to each subsequent point of disinfection and at the entry point to the distribution system or at a location just prior to the first customer during peak hourly flows, measured in mg/L.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The data collected in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(2)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1) must be used to calculate the weekly log inactivation, along with the CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
tables listed in Appendix A. The system must calculate the total inactivation ratio as follows and multiply the value by 3.0 to determine log inactivation of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the system uses only one point of disinfectant application, it must determine:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
One inactivation ratio (CT calc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) before or at the first customer during peak hourly flow, or
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Successive (CT calc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) values, representing sequential inactivation ratios, between the point of disinfection application and a point before or at the first customer during peak hourly flow. Under this alternative, the system must calculate the total inactivation ratio by determining (CT calc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) for each sequence and then adding the (CT calc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) values together to determine (\u425?CT calc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a system uses more than one point of disinfectant application before the first customer, the system must determine the (CT calc/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) value of each disinfection segment immediately prior to the next point of disinfectant application, or for the final segment, before or at the first customer, during peak hourly flow using the procedure specified in 43.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) “1,” second bulleted paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a system uses chloramines, ozone, or chlorine dioxide for primary disinfection, the system must also calculate the inactivation logs for viruses and develop an additional disinfection profile for viruses using methods approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The weekly log inactivations are used to develop a disinfection profile, as follows:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfection profile is developed by graphing each log inactivation data point versus time. Each log inactivation serves as a data point in the disinfection profile. The system will have obtained 52 measurements at a minimum, one for each week of the year.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfection profile depicts the variation of microbial inactivation over the course of the year.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must retain the disinfection profile data both in a graphic form and in a spreadsheet, which must be available for review by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
This profile is used to calculate a disinfection benchmark if the system is considering changes to its disinfection practices.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.10
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection benchmark.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any system required to develop a disinfection profile under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
must develop a disinfection benchmark prior to making any significant change in disinfection practice. The system must receive department approval before any significant change in disinfection practice is implemented. Records must be maintained according to subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Significant changes to disinfection practice.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Significant changes to disinfection practice include:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Changes to the point of disinfection;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Changes to the disinfectant(s) used in the treatment plant;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Changes to the disinfection process; or
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any other modification identified by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Calculation of the disinfection benchmark.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The system must calculate the disinfection benchmark in the following manner:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 1. Using the data collected to develop the disinfection profile, the system must determine the average
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
inactivation for each calendar month by dividing the sum of all
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
inactivations for that month by the number of values calculated for that month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Step 2. The system must determine the lowest monthly average value out of the 12 values. This value becomes the disinfection benchmark.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Information required for department approval of a change in disinfection practice.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Any significant change in disinfection practice must have been approved by the department before the system institutes the change. The following information must be submitted by the system to the department as part of the consultation and approval process.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A description of the proposed change;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfection profile for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and, if necessary, viruses;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfection benchmark;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
An analysis of how the proposed change will affect the current levels of disinfection; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any additional information requested by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Additional benchmark requirements if chloramines, ozone, or chlorine dioxide is used for primary disinfection.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If a system uses chloramines, ozone, or chlorine dioxide for primary disinfection, the system must calculate the disinfection benchmark from the data collected for viruses to develop the disinfection profile in addition to the
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
disinfection benchmark calculated in paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
This viral benchmark must be calculated in the same manner used to calculate the
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
disinfection benchmark in paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.10
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Combined filter effluent turbidity requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
All systems using surface water or groundwater under the direct influence of surface water which serve less than 10,000 people must use filtration, and the turbidity limits that must be met depend upon the type of filtration used. Systems using lime softening may acidify representative combined filter effluent turbidity samples prior to analysis, using a protocol approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Conventional filtration treatment or direct filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity must be measured in the combined filter effluent as described in paragraphs
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity in the combined filter effluent must be less than or equal to 0.3 NTU in 95 percent of the turbidity measurements taken each month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity in the combined filter effluent must never exceed 1 NTU at any time during the month. If at any time the combined filter effluent turbidity exceeds 1 NTU, either in a grab sample used for compliance or in a continuously monitored flow, the system must inform the department as soon as possible, but no later than 24 hours after the exceedance is known, in accordance with the public notification requirements under 567—subparagraphs 42.1(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3) and 42.1(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(8).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The monthly reporting requirements are listed in subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Slow sand filtration or diatomaceous earth filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity must be measured in the combined filter effluent as described in paragraphs
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The combined filter effluent turbidity limits of subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
must be met.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The monthly reporting requirements are listed in subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Other alternative filtration technologies.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
By using pilot studies or other means, a system using alternative filtration must demonstrate to the satisfaction of the department that the system’s filtration, in combination with disinfection treatment, consistently achieves 99 percent removal of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
oocysts; 99.9 percent removal, inactivation, or a combination of both, of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
cysts; and 99.99 percent removal, inactivation, or a combination of both, of viruses. The department will then use the pilot study data to determine system-specific turbidity limits.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity must be measured in the combined filter effluent as described in paragraphs
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity must be less than or equal to a value set by the department in 95 percent of the combined filter effluent turbidity measurements taken each month, based on the pilot study. The value may not exceed 1 NTU.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The combined filter effluent turbidity must never exceed a value set by the department, based on the pilot study. The value may not exceed 5 NTU.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The monthly reporting requirements are listed in subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.10
}
{\plain\f4\fs21\b\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Individual filter turbidity requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
All systems utilizing conventional filtration or direct filtration must conduct continuous monitoring of turbidity for each individual filter. Records must be maintained according to subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Continuous turbidity monitoring requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Following are the continuous turbidity monitoring requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Monitoring must be conducted using an approved method listed in paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Calibration of turbidimeters must be conducted at least every 90 days with a primary standard. The calibration of each turbidimeter used for compliance must be verified at least once per week with a primary standard, secondary standards, or the manufacturer’s proprietary calibration confirmation device or by a method approved by the department. If the verification is not within plus or minus 0.05 NTU for measurements of less than or equal to 0.5 NTU, or within plus or minus 10 percent of measurements greater than 0.5 NTU, the turbidimeter must be recalibrated;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Results of turbidity monitoring must be recorded at least every 15 minutes;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Monthly reporting must be completed according to subrule
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Records must be maintained according to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Failure of continuous turbidity monitoring equipment.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If there is a failure in the continuous turbidity monitoring equipment, the system must conduct grab sampling every four hours in lieu of continuous monitoring until the turbidimeter is back on-line. A system has a maximum of 14 days after failure to repair the equipment, or else the system is in violation. The system must notify the department within 24 hours of both when the turbidimeter was taken off-line and when it was returned on-line.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Special provision for one-filter or two-filter systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If a system has only one or two filters, it may conduct continuous monitoring of the combined filter effluent turbidity instead of individual effluent turbidity monitoring. The continuous monitoring of the combined filter effluent turbidity must meet the requirements listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Alternative turbidity levels for systems using lime softening.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems using lime softening may apply to the department for alternative turbidity exceedance levels for the levels specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“e.”
}
{\plain\f4\fs21\cf2\ulc2
The system must be able to demonstrate to the satisfaction of the department that higher turbidity levels are due to lime carryover only, and not due to degraded filter performance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Requirements triggered by the individual filter turbidity monitoring data.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems are required to conduct additional activities based upon their individual filter turbidity monitoring data, as listed in this paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the turbidity of an individual filter (or the turbidity of the combined filter effluent for a system with one or two filters, pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
) exceeds 1.0 NTU in two consecutive recordings taken 15 minutes apart, the system must report the following information in the monthly operation report to the department by the tenth day of the following month:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The filter number(s);
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Corresponding date(s);
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity value(s) which exceeded 1.0 NTU; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The cause of the exceedance(s), if known.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the turbidity of an individual filter (or the turbidity of the combined filter effluent for a system with one or two filters, pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
) exceeds 1.0 NTU in two consecutive recordings 15 minutes apart in three consecutive months, the system must meet the following requirements:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must conduct a self-assessment of the filter(s) within 14 days of the day the filter exceeded 1.0 NTU in two consecutive measurements for the third straight month, unless a comprehensive performance evaluation as specified in the following paragraph is required. Two-filter systems that monitor the combined filter effluent turbidity instead of the individual filters must conduct a self-assessment of both filters.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The self-assessment must consist of at least the following components:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Assessment of filter performance;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Development of a filter profile;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Identification and prioritization of factors limiting filter performance;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Assessment of the applicability of corrections;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Preparation of a filter self-assessment report;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Date the self-assessment requirement was triggered; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Date the self-assessment was completed.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the turbidity of an individual filter (or the turbidity of the combined filter effluent for a system with one or two filters, pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(5)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
) exceeds 2.0 NTU in two consecutive recordings 15 minutes apart in two consecutive months, the system must meet the following requirements:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must arrange to have a comprehensive performance evaluation (CPE) conducted by the department or a third party approved by the department no later than 60 days following the day the filter exceeded 2.0 NTU in two consecutive measurements for the second straight month. The CPE report must be completed and submitted to the department within 120 days following the day the filter exceeded 2.0 NTU in two consecutive measurements for the second straight month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A new CPE is not required if a CPE has been completed by the department or a third party approved by the department within the prior 12 months or if the system and department are jointly participating in an ongoing comprehensive technical assistance project at the system.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may conduct a CPE at a system regardless of individual filter turbidity levels.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.10
}
{\plain\f4\fs21\b\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The system must meet the following reporting requirements:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Combined filter effluent turbidity monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The following information must be reported in the monthly operation report to the department by the tenth day of the following month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Total number of filtered water turbidity measurements taken during the month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The number and percentage of filtered water turbidity measurements taken during the month which are less than or equal to the system’s required 95th percentile limit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The date and analytical result of any turbidity measurements taken during the month which exceeded the maximum turbidity limit for the system, in addition to the requirements of (2).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The dates and summary of calibration and verification of all compliance turbidimeters.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For an exceedance of the combined filter effluent maximum turbidity limit, the following requirements must be met.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If at any time the turbidity exceeds 1 NTU in representative samples of filtered water in a system using conventional filtration treatment or direct filtration, the system must consult with the department as soon as practical, but no later than 24 hours after the exceedance is known, in accordance with the public notification requirements under 567—subparagraph 42.1(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If at any time the turbidity in representative samples of filtered water exceeds the maximum level under subrule 43.5(3) for slow sand filtration or diatomaceous earth filtration, the system must consult with the department as soon as practical, but no later than 24 hours after the exceedance is known, in accordance with the public notification requirements under 567—subparagraph 42.1(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If at any time the turbidity in representative samples of filtered water exceeds the maximum level set by the department under paragraph 43.10(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
for filtration technologies other than conventional filtration treatment, direct filtration, slow sand filtration, or diatomaceous earth filtration, the system must consult with the department as soon as practical, but no later than 24 hours after the exceedance is known, in accordance with the public notification requirements under 567—subparagraph 42.1(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Individual filter effluent turbidity monitoring.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The following information must be reported in the monthly operation report to the department by the tenth day of the following month, unless otherwise noted.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
That the system conducted individual filter turbidity monitoring during the month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For any filter that had two consecutive measurements taken 15 minutes apart that exceeded 1.0 NTU, the following information must be reported:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The filter number(s);
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The corresponding dates;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The turbidity values that exceeded 1.0 NTU; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The cause, if known, of the exceedance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a self-assessment was required, the date it was triggered and the date the assessment was completed must be reported. If the self-assessment requirement was triggered in the last four days of the month, the information must be reported to the department by the 14th day of the following month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a comprehensive performance evaluation was required, the date it was triggered must be reported. A copy of the CPE report must be submitted to the department within 120 days of when the CPE requirement was triggered.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The dates and summary of calibration and verification of all compliance turbidimeters.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection profiling.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The following information must be reported to the department by January 1, 2004, for systems serving fewer than 500 people.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Results of disinfection byproduct monitoring that indicate TTHM levels less than 0.064 mg/L and HAA5 levels less than 0.048 mg/L; or
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
That the system has begun to collect the profiling data.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection benchmarking.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Before a system that was required to develop a disinfection profile makes a significant change to its disinfection practice, it must report the following information to the department, and the system must receive department approval before any significant change in disinfection practice is implemented.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Description of the proposed change in disinfection practice;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system’s disinfection profile for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and, if applicable, for viruses;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system’s disinfection benchmark; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
An analysis of how the proposed change will affect the current levels of disinfection.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.10
}
{\plain\f4\fs21\b\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Record-keeping requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The system must meet the following record-keeping requirements, in addition to the record-keeping requirements in 567—paragraph
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.4.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
42.4(3)
}
}}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.42.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—42.5(455B)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Individual filter effluent turbidity requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The results of the individual filter effluent turbidity monitoring must be kept for at least three years.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection profiling requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The results of the disinfection profile, including raw data and analysis, must be kept indefinitely.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection benchmarking requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The results of the disinfection benchmark, including raw data and analysis, must be kept indefinitely.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12;
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 3735C
}
}}
{\plain\f4\fs16\cf2
, IAB 4/11/18, effective 5/16/18]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
11
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Enhanced treatment for
}
{\plain\f4\fs21\b\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\b\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The requirements of this rule are national primary drinking water regulations and establish or extend treatment technique requirements in lieu of maximum contaminant levels for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
. These requirements are in addition to the filtration and disinfection requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.5
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B),
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.9
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B) and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.10
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B) and apply to all Iowa public water systems supplied by surface water or influenced groundwater sources.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Wholesale systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Wholesale systems must comply with the requirements based on the population of the largest system in the combined distribution system.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Filtered systems.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The requirements of this rule for filtered systems apply to systems that are required to provide filtration treatment pursuant to
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.5
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B), whether or not the system is currently operating a filtration system.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems subject to this rule must comply with the following requirements:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Source water monitoring.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must conduct two rounds of source water monitoring for each plant that treats a surface water or influenced groundwater source. This monitoring may include sampling for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
,
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
, and turbidity, as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
, to determine what level, if any, of additional
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment the systems must provide.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection profiles and benchmarks.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems that plan to make a significant change to their disinfection practice must develop disinfection profiles and calculate disinfection benchmarks, as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium treatment bin determination.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must determine their
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment bin classification and provide additional treatment for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
, if required, according to the prescribed schedule.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Additional treatment for Cryptosporidium.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems required to provide additional treatment for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
must implement microbial toolbox options that are designed and operated as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(8)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Record keeping and reporting.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must comply with the applicable record-keeping and reporting requirements described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(14)
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(15)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Significant deficiencies.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must address significant deficiencies identified during sanitary surveys as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.1.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.1(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Source water monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Schedule.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must conduct the source water monitoring no later than the month and year listed in Table 1. A system may avoid the source water monitoring if the system provides a total of at least 5.5-log treatment for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
, equivalent to meeting the treatment requirements of Bin 4 in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
. The system must install and operate technologies to provide this level of treatment by the applicable treatment compliance date specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Table 1: Source Water Monitoring Schedule
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
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\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
System
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
First round of monitoring
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Second round of monitoring
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Serves at least 100,000 people
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
October 2006
}
\cell
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
April 2015
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Serves 50,000-99,999 people
}
\cell
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{\plain\f4\fs18\cf2\ulc2
April 2007
}
\cell
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
October 2015
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Serves 10,000-49,999 people
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
April 2008
}
\cell
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
October 2016
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7925
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Serves fewer than 10,000 people and only conducts
}
{\plain\f4\fs18\i\cf2\ulc2
E. coli
}
{\plain\f4\fs18\cf2\ulc2
monitoring
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
October 2008
}
\cell
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
October 2017
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Serves fewer than 10,000 people and conducts
}
{\plain\f4\fs18\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs18\cf2\ulc2
monitoring
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
April 2010
}
\cell
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
April 2019
}
\cell
\row
\pard\sb180\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Monitoring requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The minimum monitoring requirements are listed below. Systems may sample more frequently, provided the sampling frequency is evenly spaced throughout the monitoring period.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems serving at least 10,000 people. Systems serving at least 10,000 people must sample their source water for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
,
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
, and turbidity at least monthly for 24 months.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems serving fewer than 10,000 people. Systems serving fewer than 10,000 people are allowed to first conduct
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
monitoring to determine if further monitoring for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
is required.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems must sample their source water for
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
at least once every two weeks for 12 months. If the annual mean
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
concentration is at or below 100
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
per 100 mL, the system can avoid further
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
monitoring in that sampling round.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A system may avoid
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
monitoring if the system notifies the department no later than three months prior to the
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
monitoring start date that the system will conduct
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems that fail to conduct the required
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
monitoring or that cannot meet the
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
annual mean limit are required to conduct
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
monitoring. The system must sample its source water for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
either at least twice per month for 12 months or at least monthly for 24 months.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A system that begins monitoring for
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
and determines during the sampling period that the system mathematically cannot meet the applicable
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
annual mean limit may discontinue the
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
sampling. The system is then required to start
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
monitoring according to the schedule in Table 1.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Plants operating only part of the year. Systems with surface water or influenced groundwater treatment plants that operate for only part of the year must conduct source water monitoring in accordance with this rule, but with the following modifications.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems must sample their source water only during the months that the plant operates unless the department specifies another monitoring period based on plant operating practices.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems with plants that operate less than six months per year and that monitor for must collect at least six samples per year for two years. The samples must be evenly spaced throughout the period the plant operates.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
New sources. A system that begins using a new surface water or influenced groundwater source after the dates in Table 1 must monitor according to a schedule approved by the department and meet the requirements of this subrule. The system must also meet the requirements of the bin classification and
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment for the new source on a schedule approved by the department. The system must conduct the second round of source water monitoring no later than six years following the initial bin classification or determination of the mean
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
level, as applicable.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Monitoring violation determination. Failure to collect any source water sample required under this subrule in accordance with the sampling plan, location, analytical method, approved laboratory, or reporting requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
}}
{\plain\f4\fs21\cf2\ulc2
is a monitoring violation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Grandfathered monitoring data. Systems were allowed to use source water monitoring
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
data collected prior to the applicable start date in Table 1 to meet the requirements of the first round of monitoring, a process referred to as grandfathering data. This grandfathered data substituted for an equivalent number of months at the end of the monitoring period and had to meet the requirements of 40 CFR 141.707 as adopted on January 5, 2006, which the department hereby adopts by reference. Department approval of the grandfathered data application is required.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Sampling plan.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must submit a sampling plan that specifies the sampling locations in relation to the sources and treatment processes and the calendar dates when the system will collect each required sample. The specific treatment process locations that must be included in the plan are pretreatment, points of chemical treatment, and filter backwash recycle.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The sampling plan must be submitted no later than three months prior to the applicable monitoring date in Table 1. If the department does not respond to a system regarding the submitted sampling plan prior to the start of the monitoring period, the system must sample according to the submitted sampling plan.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The plan must be submitted in a form acceptable to the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must monitor within two days of the date specified in the plan, unless one of the following conditions occurs.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If an extreme condition or situation exists that may pose danger to the sample collector, or that cannot be avoided, and causes the system to be unable to sample in the scheduled five-day period, the system must sample as close to the scheduled date as is feasible unless the department approves an alternative sampling date. The system must submit an explanation for the delayed sampling date to the department within one week of the missed sampling period. A replacement sample must be collected.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a system is unable to report a valid analytical result for a scheduled sampling date due to equipment failure, loss of or damage to the sample, failure to comply with the analytical method or quality control requirements, or failure of the laboratory to analyze the sample, the system must notify the department of the cause of the delay and collect a replacement sample.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A replacement sample must be collected within 21 days of the scheduled sampling period or on the resampling date approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Missed sampling dates. Systems that fail to meet the dates in their sampling plan for any source water sample must revise their sampling plan to add dates for collecting all missed samples. The revised schedule must be submitted to the department for approval prior to the collection of the missed samples.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Sampling locations.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must collect samples for each treatment plant that treats a surface water or influenced groundwater source. If multiple plants draw water from the same influent (same pipe or intake), the department may approve one set of monitoring results to be used to satisfy the requirements for those plants.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Chemical treatment location. Systems must collect source water samples prior to chemical treatment. If the system cannot feasibly collect a sample prior to chemical treatment, the department may grant approval for the system to collect the sample after chemical treatment. This approval would only be granted if the department determines in writing that collecting the samples prior to chemical treatment is not feasible for the system and that the chemical treatment is unlikely to have a significant adverse effect on the analysis of the sample.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Filter backwash recycle return location. Systems that recycle filter backwash water must collect the source water samples prior to the point of filter backwash water addition.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Bank filtration credit sampling location.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems that receive
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for bank filtration under 43.9(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
or 43.10(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
must collect source water samples in the surface water source prior to bank filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems that use bank filtration as pretreatment to a filtration plant must collect source water samples from the well, which is after bank filtration has occurred. Use of bank filtration during monitoring must be consistent with routine operational practice. Systems collecting samples after a bank filtration process may not receive treatment credit for the bank filtration under 43.11(10)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Multiple sources. Systems with plants that use multiple water sources, including multiple surface water sources and blended surface water and groundwater sources, must collect samples as follows:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The use of multiple sources during monitoring must be consistent with routine operational practice.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a sampling tap is available where the sources are combined prior to treatment, the system must collect samples from that tap.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a sampling tap where the sources are combined prior to treatment is not available, the system must collect samples at each source near the intake on the same day and must use either of the following options for sample analysis.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Physically composite the source samples into a single sample for analysis. Systems may composite the sample from each source into one sample prior to analysis. The volume of the sample from each source must be weighted according to the proportion of the source in the total plant flow at the time the sample is collected.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Analyze the samples separately and mathematically composite the results. Systems may analyze samples from each source separately and calculate a weighted average of the analytical results for each sampling date. The weighted average must be calculated by multiplying the analytical result for each source by the fraction that source contributed to the total plant flow at the time the sample was collected and then summing the weighted analytical results.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Analytical methodology, laboratory certification, and data reporting requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must have samples analyzed pursuant to the specifications listed in this paragraph. The system must report, in a format acceptable to the department, the analytical results from the source water monitoring no later than ten days after the end of the first month following the month when the sample is collected.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium.
}
{\plain\f4\fs21\cf2\ulc2
Systems must have
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
samples analyzed by a laboratory that is approved under EPA’s Laboratory Quality Assurance Evaluation Program for Analysis of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
in Water.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
These are the approved analytical methods for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
“Method 1623:
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia
}
{\plain\f4\fs21\cf2\ulc2
in Water by Filtration/IMS/FA,” 2005, US EPA, EPA-815-R-05-002. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs21\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs21\cf2\ulc2
;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
“Method 1622:
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
in Water by Filtration/IMS/FA,” 2005, US EPA, EPA-815-R-05-001. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nemi.gov"}{\fldrslt
{\plain\f4\fs21\ul\cf2\ulc2
www.nemi.gov
}
}}
{\plain\f4\fs21\cf2\ulc2
; and
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
“Method 1623.1:
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia
}
{\plain\f4\fs21\cf2\ulc2
in Water by Filtration/Immunomagnetic Separation/Immunofluorescence Assay Microscopy,” 2012, EPA-816-R-12-001. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nepis.epa.gov"}{\fldrslt
{\plain\f4\fs21\ul\cf2\ulc2
www.nepis.epa.gov
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Using one of the approved methods, the laboratory must analyze at least a 10 L sample or a packed pellet volume of at least 2 mL. Systems unable to process a 10 L sample must analyze as much sample volume as can be filtered by two filters specified in the method, up to a packed pellet volume of at least 2 mL.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A matrix spike (MS) sample must be spiked and filtered by the laboratory according to the approved method. If the volume of the MS sample is greater than 10 L, the system may filter all but 10 L of the MS sample in the field and ship the filtered sample and the remaining 10 L of source water to the laboratory. In this case, the laboratory must spike the remaining 10 L of water and filter it through the filter used to collect the balance of the sample in the field.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Flow cytometer-counted spiking suspensions must be used for the matrix spike samples and the ongoing precision and recovery samples.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The following data elements must be reported for each
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
analysis:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
PWSID.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Facility ID.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Sample collection date.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Sample type (i.e., field or matrix spike).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Sample volume filtered (L), to the nearest 0.25 L.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Whether 100 percent of the filtered volume was examined by the laboratory.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Number of oocysts counted.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For matrix spike samples: sample volume spiked and estimated number of oocysts spiked.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For samples in which less than 10 L is filtered or less than 100 percent of the sample volume is examined: the number of filters used and the packed pellet volume.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For samples in which less than 100 percent of sample volume is examined: the volume of resuspended concentrate and the volume of this resuspension processed through immunomagnetic separation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli.
}
{\plain\f4\fs21\cf2\ulc2
Systems must have the
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
samples analyzed by a laboratory certified by EPA, the National Environmental Laboratory Accreditation Conference, or the department for total coliform or fecal coliform analysis in drinking water samples using the same approved
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
method for the analysis of source water.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
1. The approved analytical methods for the enumeration of
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
in source water are shown in Table 2.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Table 2:
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
Analytical Methods
}
\par
\pard\plain\f0\fs17
\par
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Method
}
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{\plain\f4\fs18\cf2\ulc2
EPA
}
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{\plain\f4\fs18\cf2\ulc2
Standard Methods
}
\cell
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{\plain\f4\fs18\cf2\ulc2
Other
}
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\row
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\clpadft3\clpadt80
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\clpadft3\clpadt80
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\clpadft3\clpadt80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Most probable number with multiple tube or multiple well
}
{\plain\f4\fs14\cf2\ulc2
1, 2
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
9223 B
}
{\plain\f4\fs14\cf2\ulc2
11
}
\cell
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
991.15
}
{\plain\f4\fs14\cf2\ulc2
4
}
\par
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
Colilert
}
{\plain\f4\fs14\cf2\ulc2
3, 5
}
\par
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
Colilert-18
}
{\plain\f4\fs14\cf2\ulc2
3, 5, 6
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
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\clpadft3\clpadt80
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Membrane filtration, single step
}
{\plain\f4\fs14\cf2\ulc2
1, 7, 8
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
1603
}
{\plain\f4\fs14\cf2\ulc2
9
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
m-ColiBlue24
}
{\plain\f4\fs14\cf2\ulc2
10
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Membrane filtration, two step
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
9222D/9222G
}
{\plain\f4\fs14\cf2\ulc2
12
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
Tests must be conducted to provide organism enumeration (i.e., density). Select the appropriate configuration of tubes/filtrations and dilutions/volumes to account for the quality, consistency, and anticipated organism density in the water sample.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
2
}
{\plain\f4\fs16\cf2\ulc2
Samples shall be enumerated by the multiple-tube or multiple-well procedure. Using multiple-tube procedures, employ an appropriate tube and dilution configuration of the sample as needed and report the Most Probable Number (MPN). Samples tested with Colilert® may be enumerated with the multiple-well procedures, Quanti-Tray®, Quanti-Tray® 2000, and the MPN calculated from the table provided by the manufacturer.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
3
}
{\plain\f4\fs16\cf2\ulc2
These tests are collectively known as defined enzyme substrate tests, where, for example, a substrate is used to detect the enzyme beta-glucouronidase produced by
}
{\plain\f4\fs16\i\cf2\ulc2
E. coli
}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
4
}
{\plain\f4\fs16\cf2\ulc2
Association of Official Analytical Chemists, International. “Official Methods of Analysis of AOAC International, 16th Ed., Volume 1, Chapter 17, 1995. AOAC, 481 N. Frederick Ave., Suite 500, Gaithersburg, MD 20877-2417.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
5
}
{\plain\f4\fs16\cf2\ulc2
Descriptions of the Colilert®, Colilert-18®, Quanti-Tray®, and Quanti-Tray® 2000 may be obtained from IDEXX Laboratories, Inc., 1 IDEXX Drive, Westbrook, ME 04092.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
6
}
{\plain\f4\fs16\cf2\ulc2
Colilert-18® is an optimized formulation of the Colilert® for the determination of total coliforms and
}
{\plain\f4\fs16\i\cf2\ulc2
E. coli
}
{\plain\f4\fs16\cf2\ulc2
that provides results within 18 hours of incubation at 35 degrees C rather than the 24 hours required for the Colilert® test.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
7
}
{\plain\f4\fs16\cf2\ulc2
The filter must be a 0.45 micron membrane filter or a membrane filter with another pore size certified by the manufacturer to fully retain organisms to be cultivated and to be free of extractables which could interfere with organism growth.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
8
}
{\plain\f4\fs16\cf2\ulc2
When the membrane filter method has been used previously to test waters with high turbidity or large numbers of noncoliform bacteria, a parallel test should be conducted with a multiple-tube technique to demonstrate applicability and comparability of results.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
9
}
{\plain\f4\fs16\cf2\ulc2
“Method 1603:
}
{\plain\f4\fs16\i\cf2\ulc2
Escherichia coli (E. coli)
}
{\plain\f4\fs16\cf2\ulc2
in Water by Membrane Filtration Using Modified Membrane-Thermotolerant
}
{\plain\f4\fs16\i\cf2\ulc2
Escherichia coli
}
{\plain\f4\fs16\cf2\ulc2
Agar (modified mTEC), USEPA, July 2006.” US EPA, Office of Water, Washington, DC, EPA 821-R-06-011. Available at
}
{\field{\*\fldinst HYPERLINK "http://www.nepis.epa.gov"}{\fldrslt
{\plain\f4\fs16\ul\cf2\ulc2
www.nepis.epa.gov
}
}}
{\plain\f4\fs16\cf2\ulc2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
10
}
{\plain\f4\fs16\cf2\ulc2
A description of the m-ColiBlue24® test, Total Coliforms and
}
{\plain\f4\fs16\i\cf2\ulc2
E. coli
}
{\plain\f4\fs16\cf2\ulc2
, is available from Hach Company, 100 Dayton Ave., Ames, IA 50010.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
11
}
{\plain\f4\fs16\cf2\ulc2
Standard Methods for the Analysis of Water and Wastewater, 18th (1992), 19th (1995), and 20th (1998) editions, American Public Health Association. Available from APHA, 800 I Street, NW, Washington, DC 20001-3710.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
12
}
{\plain\f4\fs16\cf2\ulc2
Standard Methods for the Examination of Water and Wastewater, 20th edition (1998). Available from APHA, 800 I Street, NW, Washington, DC 20001-3710.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
2. The holding time (the time period from sample collection to initiation of analysis) shall not exceed 30 hours. The department may approve on a case-by-case basis an extension of the holding time to 48 hours, if the 30-hour holding time is not feasible. If the extension is allowed, the laboratory must use the Colilert® reagent version of the Standard Methods 9223B to conduct the analysis.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
3. The samples must be maintained between 0 and 10 degrees C during storage and transit to the laboratory.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
4. The following data elements must be reported for each
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
analysis:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
PWSID.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Facility ID.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Sample collection date.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Analytical method number.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Method type.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Source type (flowing stream or river; lake or reservoir; or influenced groundwater).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Number of
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
per 100 mL.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity in NTU.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity. The approved analytical methods for turbidity are listed in 43.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1). Measurements of turbidity must be made by a party approved by the department, and reported on the laboratory data sheet with the corresponding
}
{\plain\f4\fs21\i\cf2\ulc2
E. coli
}
{\plain\f4\fs21\cf2\ulc2
sample.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection profiling and benchmarking.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
General requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Following completion of the first round of source water monitoring, a system that plans to make a significant change to its disinfection practice must develop disinfection profiles and calculate disinfection benchmarks for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and viruses.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Notification to the department. The system must notify the department prior to changing its disinfection practice and must include in the notice the completed disinfection profile and disinfection benchmark for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and viruses, a description of the proposed change in disinfection practice, and an analysis of how the proposed change will affect the current level of disinfection.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Definition of “significant change.” A significant change to the disinfection practice is defined as follows:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any change to the point of disinfection;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any change to the disinfectant(s) used in the treatment plant;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any change to the disinfection process; or
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any other modification identified by the department as a significant change to disinfection practice.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Developing the disinfection profile.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
In order to develop a disinfection profile, a system must monitor at least weekly for a period of 12 consecutive months to determine the total log inactivation for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and viruses. If a system monitors more frequently, the monitoring frequency must be evenly spaced. A system that operates for fewer than 12 months per year must monitor weekly during the period of operation. A system must determine log inactivation for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
through the entire plant, based on CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
values in Appendix A, Tables 1 through 6, as applicable. Systems must determine log inactivation for viruses through the entire treatment plant based on a protocol approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Monitoring requirements. Systems with a single point of disinfectant application prior to the entrance to the distribution system must conduct the monitoring listed in this subparagraph. Systems with multiple points of disinfectant application must conduct the same monitoring for each disinfection segment. Systems must monitor the parameters necessary to determine the total inactivation ratio. The analytical methods for the parameters are listed in 43.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
{\plain\f4\fs21\cf2\ulc2
All measurements must be taken during peak hourly flow.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For systems using a disinfectant other than UV, the temperature of the disinfected water must be measured in degrees Celsius at each residual disinfectant concentration sampling point or at an alternative location approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For systems using chlorine, the pH of the disinfected water must be measured at each chlorine residual disinfectant concentration sampling point or at an alternative location approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The disinfectant contact time must be determined in minutes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The residual disinfectant concentrations of the water must be determined in mg/L before or at the first customer and prior to each additional point of disinfectant application.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A system may use existing data to meet the monitoring requirements if the data are substantially equivalent to the required data, the system has not made any significant change to its treatment practice, and the system has the same source water as it had when the data were collected. Systems may develop disinfection profiles using up to three years of existing data.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
6.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A system may use disinfection profiles developed under 43.9(2) or 43.10(2) if the system has not made a significant change to its treatment practice and has the same source water as it had when the profile was developed. The virus profile must be developed using the same data on which the
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
profile is based.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Calculation of the total inactivation ratio for
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems using only one point of disinfectant application may determine the total inactivation ratio (CT
}
{\plain\f4\fs16\cf2\ulc2
calc
}
{\plain\f4\fs21\cf2\ulc2
/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) for the disinfection segment using either of the following methods.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Determine one inactivation ratio before or at the first customer during peak hourly flow.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Determine successive sequential inactivation ratios between the point of disinfectant application and a point before or at the first customer during peak hourly flow. Calculate the total inactivation ratio by determining the inactivation ratio for each sequence (CT
}
{\plain\f4\fs16\cf2\ulc2
calc
}
{\plain\f4\fs21\cf2\ulc2
/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) and adding the values together.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems using more than one point of disinfectant application before the first customer must determine the CT value of each disinfection segment immediately prior to the next point of disinfectant application, or for the final segment, before or at the first customer, during peak hourly flow. Calculate the (CT
}
{\plain\f4\fs16\cf2\ulc2
calc
}
{\plain\f4\fs21\cf2\ulc2
/CT
}
{\plain\f4\fs16\cf2\ulc2
99.9
}
{\plain\f4\fs21\cf2\ulc2
) value of each segment and add the values together to determine the total inactivation ratio.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems must then determine the total logs of inactivation by multiplying the total inactivation ratio by 3.0.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Calculation of the total inactivation ratio for viruses. The system must calculate the log of inactivation for viruses using a protocol approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Calculation of the disinfection benchmark.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For each year of profiling data collected and calculated under this subrule, systems must determine the lowest mean monthly level of both
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and virus inactivation. Systems must determine the mean
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and virus inactivation for each calendar month for each year of profiling data by dividing the sum of daily or weekly
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and virus log inactivation by the number of values calculated for that month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For a system with one year of profiling data, the disinfection benchmark is the lowest monthly mean value. For a system with more than one year of profiling data, the disinfection benchmark is the mean of the lowest monthly mean values of
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
and virus log inactivation in each year of profiling data.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Bin classification.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Upon completion of the first round of source water monitoring, systems must calculate an initial
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
bin concentration for each plant for which monitoring was required. Calculation of the bin concentration must use the
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
results reported under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
}}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Calculation of mean Cryptosporidium or bin concentration value.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems that collect at least 48 samples. For systems that collect a total of at least 48 samples, the bin concentration is equal to the arithmetic mean of all sample concentrations.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems that collect 24 to 47 samples. For systems that collect at least 24 samples but not more than 47 samples, the bin concentration is equal to the highest arithmetic mean of all sample concentrations in any 12 consecutive months during which
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
samples were collected.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems serving fewer than 10,000 people and monitoring for only one year. For systems that serve fewer than 10,000 people and monitor
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
for only one year (i.e., 24 samples in 12 months), the bin concentration is equal to the arithmetic mean of all sample concentrations.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems with plants operating on a part-time basis. For systems with plants operating only part of the year that monitor fewer than 12 months per year, the bin concentration is equal to the highest arithmetic mean of all sample concentrations during any year of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the monthly
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
sampling frequency varies, systems must first calculate a monthly average for each month of monitoring. Systems must then use these monthly average concentrations, rather than individual sample concentrations, in the applicable calculation for bin classification.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Determination of bin classification.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
First monitoring round. A system must determine the bin classification from Table 3, using its calculated bin concentration from
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
}}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Table 3: Bin Classification Table
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
System Type
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs18\cf2\ulc2
Concentration, in oocysts/L
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Bin Classification
}
\cell
\row
\trowd\trleft5
\clvmgf
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Systems required to monitor for
}
{\plain\f4\fs18\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs18\cf2\ulc2
under 43.11(3)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
{\plain\f4\fs18\cf2\ulc2
(1) or 43.11(3)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
{\plain\f4\fs18\cf2\ulc2
(2)“3”
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
Fewer than 0.075 oocysts/L
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 1
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
Between 0.075 and fewer than 1.0 oocysts/L
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 2
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
Between 1.0 and fewer than 3.0 oocysts/L
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 3
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
3.0 oocysts/L or greater
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 4
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Systems serving fewer than 10,000 and not required to monitor for
}
{\plain\f4\fs18\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs18\cf2\ulc2
, pursuant to 43.11(3)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
{\plain\f4\fs18\cf2\ulc2
(2)“1”
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
Not applicable
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 1
}
\cell
\row
\pard\sb180\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Second monitoring round. Following completion of the second round of source water monitoring, a system must recalculate its bin concentration and determine its new bin classification, using the same protocols outlined in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting bin classification to the department.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Within six months of the end of the sampling period, the system must report its bin classification to the department for approval. The report must also include a summary of the source water monitoring data and the calculation procedure used to determine the bin classification.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment technique violation.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Failure to comply with
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
is a violation of the treatment technique requirement.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Additional Cryptosporidium treatment requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A system must provide the level of additional treatment for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
specified in Table 4 based on its bin classification determined in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
and according to the schedule in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Determination of additional Cryptosporidium treatment requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Using Table 4, a system must determine any additional treatment requirements based upon its bin classification. The Bin 1 classification does not require any additional treatment. Bins 2 through 4 require additional
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Table 4: Additional
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
Treatment Requirements
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1445
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bin Classification
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Treatment Used by the System for Compliance with 43.5, 43.9, and 43.10
}
\cell
\row
\trowd\trleft5\trhdr
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1445
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Conventional filtration (including softening)
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Direct filtration
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Slow sand or diatomaceous earth filtration
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Alternative filtration technologies
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1445
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 1
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
No additional treatment
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
No additional treatment
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
No additional treatment
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No additional treatment
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1445
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 2
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
1-log treatment
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
1.5-log treatment
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
1-log treatment
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
At least 4.0-log
}
{\plain\f4\fs14\cf2\ulc2
1
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1445
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 3
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
2-log treatment
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
2.5-log treatment
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
2-log treatment
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
At least 5.0-log
}
{\plain\f4\fs14\cf2\ulc2
1
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1445
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3245
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bin 4
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
2.5-log treatment
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
3-log treatment
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
2.5-log treatment
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
At least 5.5-log
}
{\plain\f4\fs14\cf2\ulc2
1
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
The total
}
{\plain\f4\fs16\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs16\cf2\ulc2
removal and inactivation must be at least this value, as determined by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment requirements for Bins 2 through 4.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A system that is classified as Bin 2, 3, or 4 must use one or more of the treatment and management options listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(8)
}
}}
{\plain\f4\fs21\cf2\ulc2
to comply with the required additional
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment. Systems classified as Bins 3 and 4 must achieve at least 1-log of the additional
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment required by using either one or a combination of the following: bag filters, bank filtration, cartridge filters, chlorine dioxide, membranes, ozone, or UV, as listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment technique violation.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Failure by a system in any month to achieve treatment credit by meeting criteria in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
}}
{\plain\f4\fs21\cf2\ulc2
that is at least equal to the level of treatment required in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
}}
{\plain\f4\fs21\cf2\ulc2
is a violation of the treatment technique requirement.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Significant changes to the watershed.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
If, after the system’s completion of source water monitoring (either round), the department determines during a sanitary survey or an equivalent source water assessment that significant changes occurred in the system’s watershed that could lead to increased contamination of the source water by
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
, the system must take actions specified by the department to address the contamination. These actions may include additional source water monitoring and implementing microbial toolbox options listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(8)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Schedule for compliance with Cryptosporidium treatment requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Following the initial bin classification under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
, systems must provide the level of treatment for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
required in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
, according to the schedule in Table 5. If the bin classification of a system changes following the second round of source water monitoring, the system must provide the level of treatment for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
required in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
, on a schedule approved by the department.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Table 5:
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
Treatment Compliance Dates
}
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\par
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{\plain\f4\fs18\cf2\ulc2
Schedule
}
\cell
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{\plain\f4\fs18\cf2\ulc2
Population Served by System
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Compliance Date for
}
{\plain\f4\fs18\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs18\cf2\ulc2
treatment requirements
}
{\plain\f4\fs14\cf2\ulc2
1
}
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{\plain\f4\fs18\cf2\ulc2
1
}
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{\plain\f4\fs18\cf2\ulc2
At least 100,000 people
}
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{\plain\f4\fs18\cf2\ulc2
April 1, 2012
}
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\clpadft3\clpadt80
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{\plain\f4\fs18\cf2\ulc2
2
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{\plain\f4\fs18\cf2\ulc2
From 50,000 to 99,999 people
}
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{\plain\f4\fs18\cf2\ulc2
October 1, 2012
}
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
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\clvertalt
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{\plain\f4\fs18\cf2\ulc2
3
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
From 10,000 to 49,999 people
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
October 1, 2013
}
\cell
\row
\trowd\trleft5
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4
}
\cell
\pard\intbl\li80\ri90\fi340\sl200
{\plain\f4\fs18\cf2\ulc2
Fewer than 10,000 people
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
October 1, 2014
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs12\cf2\ulc2
1
}
{\plain\f4\fs16\cf2\ulc2
The department may allow up to an additional two years for compliance with the treatment requirement if the system must make capital improvements.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Microbial toolbox options for meeting Cryptosporidium treatment requirements.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems receive the treatment credits listed in Table 6 by meeting the conditions for microbial toolbox options described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
}}
{\plain\f4\fs21\cf2\ulc2
. Systems apply these treatment credits to meet the treatment requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
. Table 6 summarizes options in the microbial toolbox.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Table 6: Microbial Toolbox Summary Table: Options, Treatment Credits, and Criteria
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
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\clpadft3\clpadt80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Toolbox Option
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Specific Criteria Rule
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs18\cf2\ulc2
treatment credit with design and implementation criteria
}
\cell
\row
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\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Source Protection and Management Toolbox Options
}
\cell
\row
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Watershed control program
}
\cell
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{\plain\f4\fs18\cf2\ulc2
43.11(9)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.5-log credit for department-approved program comprising required elements, annual program status report to department, and regular watershed survey.
}
\cell
\row
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Alternative source/intake management
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(9)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No prescribed credit. Systems may conduct simultaneous monitoring for treatment bin classification at alternative intake locations or under alternative intake management strategies.
}
\cell
\row
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\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Prefiltration Toolbox Options
}
\cell
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\clpadft3\clpadt80
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\clpadft3\clpadt80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Presedimentation basin with coagulation
}
\cell
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{\plain\f4\fs18\cf2\ulc2
43.11(10)
}
{\plain\f4\fs18\i\cf2\ulc2
“a”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.5-log credit during any month that presedimentation basins achieve a monthly mean reduction of 0.5-log or greater in turbidity or alternative department-approved performance criteria. To be eligible, basins must be operated continuously with coagulant addition and all plant flow must pass through the basins.
}
\cell
\row
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\clpadfl3\clpadl80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Two-stage lime softening
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(10)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.5-log credit for two-stage softening where chemical addition and hardness precipitation occur in both stages. All plant flow must pass through both stages. Single-stage softening is credited as equivalent to conventional treatment.
}
\cell
\row
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bank filtration
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(10)
}
{\plain\f4\fs18\i\cf2\ulc2
“c”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.5-log credit for 25-foot setback; 1.0-log credit for 50-foot setback; aquifer must be unconsolidated sand containing at least 10 percent fines; average turbidity in wells must be less than 1 NTU. A system using a well followed by filtration when conducting source water monitoring must sample the well to determine bin classification and is not eligible for additional credit.
}
\cell
\row
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\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Treatment Performance Toolbox Options
}
\cell
\row
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\clpadft3\clpadt80
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\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Combined filter performance
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(11)
}
{\plain\f4\fs18\i\cf2\ulc2
“a”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.5-log credit for combined filter effluent turbidity less than or equal to 0.15 NTU in at least 95 percent of measurements each month.
}
\cell
\row
\trowd\trleft5
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Individual filter performance
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(11)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.5-log credit (in addition to the 0.5-log combined filter performance credit) if individual filter effluent turbidity is less than or equal to 0.15 NTU in at least 95 percent of samples each month in each filter and is never greater than 0.3 NTU in two consecutive measurements in any filter.
}
\cell
\row
\trowd\trleft5
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\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Demonstration of performance
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(11)
}
{\plain\f4\fs18\i\cf2\ulc2
“c”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Credit awarded to unit process or treatment train based on a demonstration to the department with a department-approved protocol.
}
\cell
\row
\trowd\trleft5
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Additional Filtration Toolbox Options
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bag or cartridge filters (individual filters)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(12)
}
{\plain\f4\fs18\i\cf2\ulc2
“a”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Up to 2-log credit based on the removal efficiency demonstrated during challenge testing with a 1.0-log factor of safety.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Bag or cartridge filters (in series)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(12)
}
{\plain\f4\fs18\i\cf2\ulc2
“a”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Up to 2.5-log credit based on the removal efficiency demonstrated during challenge testing with a 0.5-log factor of safety.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Membrane filtration
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(12)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Log credit equivalent to removal efficiency demonstrated in challenge test for device if supported by direct integrity testing.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Second-stage filtration
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(12)
}
{\plain\f4\fs18\i\cf2\ulc2
“c”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.5-log credit for second separate granular media filtration stage if treatment train includes coagulation prior to first filter.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Slow sand filtration
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(12)
}
{\plain\f4\fs18\i\cf2\ulc2
“d”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
2.5-log credit as a secondary filtration step; 3.0-log credit as a primary filtration process. No prior chlorination for either option.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
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\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Inactivation Toolbox Options
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Chlorine dioxide
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(13)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Log credit based on measured CT in relation to CT table.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Ozone
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(13)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Log credit based on measured CT in relation to CT table.
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5045
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Ultraviolet light (UV)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
43.11(13)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Log credit based on validated UV dose in relation to UV dose table; reactor validation testing required to establish UV dose and associated operating conditions.
}
\cell
\row
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{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(9)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Source toolbox components.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Watershed control program.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems receive 0.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for implementing a watershed control program that meets the requirements of this paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Notification. Systems that intend to apply for the watershed control program credit must notify the department of this intent no later than two years prior to the treatment compliance date in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
applicable to the system.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Proposed watershed control plan. Systems must submit to the department a proposed watershed control plan no later than one year before the applicable treatment compliance date in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
. The department must approve the watershed control plan for the system to receive watershed control program treatment credit. The watershed control plan must include the following elements:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Identification of an “area of influence” outside of which the likelihood of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
or fecal contamination affecting the treatment plant intake is not significant. This is the area to be evaluated in future watershed surveys under 43.11(9)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(5)“2.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Identification of both potential and actual sources of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
contamination and an assessment of the relative impact of these sources on the system’s source water quality.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
An analysis of the effectiveness and feasibility of control measures that could reduce
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
loading from sources of contamination to the system’s source water.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A statement of goals and specific actions the system will undertake to reduce source water
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
levels. The plan must explain how the actions are expected to contribute to specific goals, identify watershed partners and their roles, identify resource requirements and commitments, and include a schedule for plan implementation with deadlines for completing specific actions identified in the plan.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Existing watershed control programs. Systems with watershed control programs that were in place on January 5, 2006, are eligible to seek this credit. The systems’ watershed control plans must meet the criteria in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(9)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
and must specify ongoing and future actions that will reduce source water
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
levels.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Department response to submitted plan. If the department does not respond to a system regarding approval of a watershed control plan submitted under this subrule and the system meets the other requirements of this subrule, the watershed control program will be considered approved and 0.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit will be awarded unless and until the department subsequently withdraws such approval.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
System requirements to maintain 0.5-log credit. Systems must complete the following actions to maintain the 0.5-log credit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Submit an annual watershed control program status report to the department. The annual watershed control program status report must describe the system’s implementation of the approved plan and assess the adequacy of the plan to meet its goals. The plan must explain how the system is addressing any shortcomings in plan implementation, including those previously identified by the department or as a result of the watershed survey conducted under 43.11(9)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(5)“2.” It must also describe any significant changes that have occurred in the watershed since the last watershed sanitary survey. If a system determines during implementation that making a significant change to its approved watershed control program is necessary, the system must notify the department prior to making any such changes. If any change is likely to reduce the level of source water protection, the system must also list in its notification the actions the system will take to mitigate this effect.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Undergo a watershed sanitary survey every three years for community water systems and every five years for noncommunity water systems and submit the survey report to the department. The survey must be conducted according to department guidelines and by persons acceptable to the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The watershed sanitary survey must meet the following criteria: encompass the region identified in the department-approved watershed control plan as the area of influence; assess the implementation of actions to reduce source water
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
levels; and identify any significant new sources of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the department determines that significant changes may have occurred in the watershed since the previous watershed sanitary survey, systems must undergo another watershed sanitary survey by the date specified by the department, which may be earlier than the regular schedule of a three- or five-year frequency.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must make the watershed control plan, annual status reports, and watershed sanitary survey reports available to the public upon request. These documents must be in a plain language style and include criteria by which to evaluate the success of the program in achieving plan goals. The department may approve systems to withhold portions of an annual status report, watershed control plan, and watershed sanitary survey from the public, based on water supply security considerations.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Withdrawal of watershed control program treatment credit. If the department determines that a system is not carrying out the approved watershed control plan, the department may withdraw the watershed control program treatment credit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Alternative source.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
A system may conduct source water monitoring that reflects a different intake location (either in the same source or for an alternate source) or a different procedure for the timing or level of withdrawal from the source (alternative source monitoring). If the department approves, a system may determine its bin classification under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
based on alternative source monitoring results.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems conducting alternative source monitoring must also monitor their current plan intake concurrently, as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Alternative source monitoring must meet the requirements for source monitoring to determine bin classification, as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
. Systems must report to the department the alternative source monitoring results and provide supporting information documenting the operating conditions under which the samples were collected.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a system determines its bin classification under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
using alternative source monitoring results that reflect a different intake location or a different procedure for managing the timing or level of withdrawal from the source, the system must relocate the intake or permanently adopt the withdrawal procedure, as applicable, no later than the applicable treatment compliance date in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(7)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(10)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Prefiltration treatment toolbox components.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Presedimentation.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems receive 0.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for a presedimentation basin during any month the process meets the criteria in this paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The presedimentation basin must be in continuous operation and must treat the entire plant flow taken from a surface water or influenced groundwater source.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system must continuously add a coagulant to the presedimentation basin.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The presedimentation basin must achieve either of the following performance criteria:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Demonstrates at least 0.5-log mean reduction of influent turbidity. This reduction must be determined using daily turbidity measurements in the presedimentation process influent and effluent and must be calculated as follows: LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
(monthly mean of daily influent turbidity) – LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
(monthly mean of daily effluent turbidity).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Complies with department-approved performance criteria that demonstrate at least 0.5-log mean removal of micron-sized particulate material through the presedimentation process.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Two-stage lime softening.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems receive an additional 0.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for a two-stage lime softening plant if chemical addition and hardness precipitation occur in two separate and sequential softening stages prior to filtration. Both softening stages must treat the entire plant flow taken from a surface water or influenced groundwater source.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Bank filtration.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems receive
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for bank filtration that serves as pretreatment to a filtration plant by meeting the criteria in this paragraph. Systems using bank filtration when they begin source water monitoring under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
}}
{\plain\f4\fs21\cf2\ulc2
must collect samples as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
and are not eligible for this credit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Treatment credit. Wells with a groundwater flow path of at least 25 feet receive 0.5-log treatment credit; wells with a groundwater flow path of at least 50 feet receive 1.0-log treatment credit. The groundwater flow path must be determined as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(10)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Granular aquifers only. Only wells in granular aquifers are eligible for treatment credit. Granular aquifers are those comprised of sand, clay, silt, rock fragments, pebbles or larger particles, and minor cement. A system must characterize the aquifer at the well site to determine aquifer properties. Systems must extract a core from the aquifer and demonstrate that in at least 90 percent of the core length, grains less than 1.0 mm in diameter constitute at least 10 percent of the core material.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Horizontal and vertical wells only. Only horizontal and vertical wells are eligible for treatment credit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Measurement of groundwater flow path. For vertical wells, the groundwater flow path is the measured distance from the edge of the surface water body under high flow conditions (determined by the 100-year floodplain elevation boundary or by the floodway, as defined in Federal Emergency Management Agency flood hazard maps) to the well screen. For horizontal wells, the groundwater flow path is the measured distance from the bed of the river under normal flow conditions to the closest horizontal well lateral screen.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Turbidity monitoring at the wellhead. Systems must monitor each wellhead for turbidity at least once every four hours while the bank filtration process is in operation. If monthly average turbidity levels, based on daily maximum values in the well, exceed 1 NTU, the system must report this result to the department and conduct an assessment within 30 days to determine the cause of the high turbidity levels in the well. If the department determines that microbial removal has been compromised, the department may revoke treatment credit until the system implements corrective actions approved by the department to remediate the problem.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Springs and infiltration galleries. This treatment credit is not eligible for springs and infiltration galleries. Springs and infiltration galleries are eligible for credit through demonstration of performance study under 43.11(11)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Bank filtration demonstration of performance. The department may approve
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for bank filtration based on a demonstration of performance study that meets the criteria in this subparagraph. This treatment credit may be greater than 1.0-log and may be awarded to bank filtration that does not meet the criteria in 43.11(10)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
(1) to (5).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The study must follow a protocol approved by the department and must involve the collection of data on the removal of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
or a surrogate for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
and related hydrogeologic and water quality parameters during the full range of operating conditions.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The study must include sampling both from the production well(s) and from monitoring wells that are screened and located along the shortest flow path between the surface water source and the production well(s).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(11)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Treatment performance toolbox components.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
This option pertains to physical treatment processes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Combined filter performance.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems using conventional filtration treatment or direct filtration treatment receive an additional 0.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit during any month the system meets the criteria in this paragraph. Combined filter effluent (CFE) turbidity must be less than or equal to 0.15 NTU in at least 95 percent of the measurements. Turbidity must be measured as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
and, if applicable,
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Individual filter performance.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems using conventional filtration treatment or direct filtration treatment receive 0.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit during any month the system meets the criteria in this paragraph, which can be in addition to the CFE 0.5-log credit from
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(11)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
}}
{\plain\f4\fs21\cf2\ulc2
Compliance with these criteria must be based on individual filter turbidity monitoring as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.9(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
or
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.10(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
, as appropriate.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The filtered water turbidity for each individual filter must be less than or equal to 0.15 NTU in at least 95 percent of the measurements recorded each month.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
No individual filter may have a measured turbidity greater than 0.3 NTU in two consecutive measurements taken 15 minutes apart.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Any system that has received treatment credit for individual filter performance and fails to meet the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(11)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
and (3) during any month shall not receive a treatment technique violation under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
if the department determines the following:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The failure was due to unusual and short-term circumstances that could not reasonably be prevented through optimizing the treatment plant design, operation, and maintenance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The system has experienced no more than two such failures in any calendar year.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Demonstration of performance.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may approve
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for drinking water treatment processes based on a demonstration of performance study that meets the criteria in this paragraph. This treatment credit may be greater than or less than the prescribed treatment credits in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
or
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(10)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
}}
{\plain\f4\fs21\cf2\ulc2
and may be awarded to treatment processes that do not meet the criteria for the prescribed credits.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems cannot receive the prescribed treatment credit for any toolbox option in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(10)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
}}
{\plain\f4\fs21\cf2\ulc2
if that toolbox option is included in a demonstration of performance study for which treatment credit is awarded under this paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The demonstration of performance study must follow a department-approved protocol and must demonstrate the level of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
reduction the treatment process will achieve under the full range of expected operating conditions for the system.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Approval by the department must be in writing and may include monitoring and treatment performance criteria that the system must demonstrate and report on an ongoing basis to remain eligible for the treatment credit. The department may designate such criteria where necessary to verify that the conditions under which the demonstration of performance credit was approved are maintained during routine operation.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(12)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Additional filtration toolbox components.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Bag and cartridge filters.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
By meeting the criteria in this paragraph, systems receive
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit of up to 2.0-log for the use of individual bag or cartridge filters and up to 2.5-log for the use of bag or cartridge filters operated in series. To be eligible for this credit, systems must report the results of challenge testing that meets the requirements of
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
to the department. The filters must treat the entire plant flow taken from a surface water or influenced groundwater source.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit awarded for use of bag or cartridge filters must be based on the removal efficiency demonstrated during challenge testing that is conducted in accordance with the criteria in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(9)
}
}}
{\plain\f4\fs21\cf2\ulc2
. A safety factor equal to 1-log for individual bag or cartridge filters and 0.5-log for bag or cartridge filters in series must be applied to challenge testing results to determine removal credit. Systems may use results from challenge testing conducted prior to January 5, 2006, if the prior testing was consistent with the criteria specified in this paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Challenge testing must be performed on full-scale bag or cartridge filters, and the associated filter housing or pressure vessel, that are identical in material and construction to the filters and housings the system will use for removal of
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
. Bag or cartridge filters must be challenge tested in the same configuration that the system will use, either as individual filters or as a series configuration of filters.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Challenge testing must be conducted using
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
or a surrogate that is removed no more efficiently than
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
. The microorganism or surrogate used during challenge testing is referred to as the challenge particulate. The concentration of the challenge particulate must be determined using a method capable of discretely quantifying the specific microorganisms or surrogate used in the test; gross measurements such as turbidity shall not be used.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The maximum feed water concentration that can be used during a challenge test must be based on the detection limit of the challenge particulate in the filtrate (i.e., filtrate detection limit) and must be calculated using this equation:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Maximum Feed Water Concentration = 10,000 × Filtrate Detection Limit
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Challenge testing must be conducted at the maximum design flow rate for the filter as specified by the manufacturer.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(6)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Each filter evaluated must be tested for a duration sufficient to reach 100 percent of the terminal pressure drop, which thereby establishes the maximum pressure drop under which the filter may be used to comply with the requirements of this paragraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(7)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Removal efficiency of a filter must be determined from the results of the challenge test and expressed in terms of log removal values using the following equation:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
LRV = LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
(C
}
{\plain\f4\fs16\cf2\ulc2
f
}
{\plain\f4\fs21\cf2\ulc2
) – LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
(C
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
)
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Where:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
LRV = log removal value demonstrated during challenge test;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
C
}
{\plain\f4\fs16\cf2\ulc2
f
}
{\plain\f4\fs21\cf2\ulc2
= the feed concentration measured during the challenge test; and
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
C
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
= the filtrate concentration measured during the challenge test.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Equivalent units must be used for the feed and filtrate concentrations. If the challenge particulate is not detected in the filtrate, the term C
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
must be set equal to the detection limit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(8)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Each filter tested must be challenged with the challenge particulate during three periods over the filtration cycle: within two hours of start-up of a new filter; when the pressure drop is between 45 and 55 percent of the terminal pressure drop; and at the end of the cycle after the pressure drop has reached 100 percent of the terminal pressure drop. An LRV must be calculated for each of these challenge periods for each filter tested. The LRV for the filter (LRV
}
{\plain\f4\fs16\cf2\ulc2
filter
}
{\plain\f4\fs21\cf2\ulc2
) must be assigned the value of the minimum LRV observed during the three challenge periods for that filter.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(9)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If fewer than 20 filters are tested, the overall removal efficiency for the filter product line must be set equal to the lowest LRV
}
{\plain\f4\fs16\cf2\ulc2
filter
}
{\plain\f4\fs21\cf2\ulc2
among the filters tested. If 20 or more filters are tested, the overall removal efficiency for the filter product line must be set equal to the tenth percentile of the set of LRV
}
{\plain\f4\fs16\cf2\ulc2
filter
}
{\plain\f4\fs21\cf2\ulc2
values for the various filters tested. The percentile is defined by [i/(n+1)] where “i” is the rank of “n” individual data points ordered lowest to highest. If necessary, the tenth percentile may be calculated using linear interpolation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(10)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a previously tested filter is modified in a manner that could change the removal efficiency of the filter product line, challenge testing to demonstrate the removal efficiency of the modified filter must be conducted and submitted to the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Membrane filtration.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems receive
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for using membrane filtration that meets the criteria of this paragraph. Systems using membrane cartridge filters that meet the definition of membrane filtration in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.40.2.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—40.2
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B) are eligible for this credit. The level of treatment credit a system receives is equal to the lower of the values determined under the following two paragraphs:
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The removal efficiency demonstrated during challenge testing conducted under the criteria in 43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The maximum removal efficiency that can be verified through direct integrity testing used with the membrane filtration process under the conditions in 43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Challenge testing. The membrane used by the system must undergo challenge testing to evaluate removal efficiency, and the system must report the results of challenge testing to the department. Challenge testing must be conducted according to the criteria listed in this subparagraph. Systems may use data from challenge testing conducted prior to January 5, 2006, if the prior testing was consistent with the criteria listed in this subparagraph.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Challenge testing must be conducted on either a full-scale membrane module, identical in material and construction to the membrane modules used in the system’s treatment facility, or a smaller-scale membrane module, identical in material and similar in construction to the full-scale module. A module is defined as the smallest component of a membrane unit in which a specific membrane surface area is housed in a device with a filtrate outlet structure.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Challenge testing must be conducted using
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
oocysts or a surrogate that is removed no more efficiently than
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
oocysts. The organisms or surrogate used during challenge testing is referred to as the challenge particulate. The concentration of the challenge particulate, in both the feed and filtrate water, must be determined using a method capable of discretely quantifying the specific challenge particulate used in the test; gross measurements such as turbidity shall not be used.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The maximum feed water concentration that can be used during a challenge test is based on the detection limit of the challenge particulate in the filtrate and must be determined according to the following equation:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Maximum Feed Water Concentration = 3,160,000 × Filtrate Detection Limit
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Challenge testing must be conducted under representative hydraulic conditions at the maximum design flux and maximum design process recovery specified by the manufacturer for the membrane module. Flux is defined as the throughput of a pressure-driven membrane process expressed as flow per unit of membrane area. Recovery is defined as the volumetric percent of feed water that is converted to filtrate over the course of an operating cycle uninterrupted by events such as chemical cleaning or a solids removal process (i.e., backwashing).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Removal efficiency of a membrane module must be calculated from the challenge test results and expressed as a log removal value according to the following equation:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
LRV = LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
(C
}
{\plain\f4\fs16\cf2\ulc2
f
}
{\plain\f4\fs21\cf2\ulc2
) – LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
(C
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
)
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Where:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
LRV = log removal value demonstrated during challenge test;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
C
}
{\plain\f4\fs16\cf2\ulc2
f
}
{\plain\f4\fs21\cf2\ulc2
= the feed concentration measured during the challenge test; and
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
C
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
= the filtrate concentration measured during the challenge test.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Equivalent units must be used for the feed and filtrate concentrations. If the challenge particulate is not detected in the filtrate, the term C
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
must be set equal to the detection limit for the purpose of calculating the LRV. An LRV must be calculated for each membrane module evaluated during the challenge test.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
6.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The removal efficiency of a membrane filtration process demonstrated during challenge testing must be expressed as a log removal value (LRV
}
{\plain\f4\fs16\cf2\ulc2
C-Test
}
{\plain\f4\fs21\cf2\ulc2
). If fewer than 20 modules are tested, then LRV
}
{\plain\f4\fs16\cf2\ulc2
C-Test
}
{\plain\f4\fs21\cf2\ulc2
is equal to the lowest of the representative LRVs among the modules tested. If 20 or more modules are tested, then LRV
}
{\plain\f4\fs16\cf2\ulc2
C-Test
}
{\plain\f4\fs21\cf2\ulc2
is equal to the tenth percentile of the representative LRVs among the modules tested. The percentile is defined by [i/(n+1)] where “i” is the rank of “n” individual data points ordered lowest to highest. If necessary, the tenth percentile may be calculated using linear interpolation.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
7.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The challenge test must establish a quality control release value (QCRV) for a nondestructive performance test that demonstrates the
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
removal capability of the membrane filtration module. In order to verify
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
removal capability, this performance test must be applied to each production membrane module that was not directly challenge tested but was used by the system. Production modules that do not meet the established QCRV are not eligible for the treatment credit demonstrated during the challenge test.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
8.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If a previously tested membrane is modified in a manner that could change the removal efficiency of the membrane or the applicability of the nondestructive performance test and associated QCRV, additional challenge testing to demonstrate the removal efficiency of the modified membrane must be conducted and submitted to the department, along with determination of a new QCRV.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Direct integrity testing. Systems must conduct direct integrity testing in a manner that demonstrates a removal efficiency equal to or greater than the removal credit awarded for the membrane filtration process and meets the requirements described in this subparagraph. A direct integrity test is defined as a physical test applied to a membrane unit in order to identify and isolate integrity breaches (i.e., one or more leaks that could result in contamination of the filtrate).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The direct integrity test must be independently applied to each membrane unit in service. A membrane unit is defined as a group of membrane modules that share common valving that allows the unit to be isolated from the rest of the system for the purpose of integrity testing or other maintenance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The direct integrity method must have a resolution of 3 micrometers or less, where resolution is defined as the size of the smallest integrity breach that contributes to a response from the direct integrity test.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The direct integrity test must have a sensitivity sufficient to verify the log treatment credit awarded by the department for the membrane filtration process, where sensitivity is defined as the maximum log removal value that can be reliably verified by a direct integrity test. Sensitivity must be determined using the approach in either of the following paragraphs as applicable to the type of direct integrity test the system uses.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For direct integrity tests using applied pressure or vacuum, the direct integrity test sensitivity must be calculated according to the following equation:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
LRV
}
{\plain\f4\fs16\cf2\ulc2
DIT
}
{\plain\f4\fs21\cf2\ulc2
= LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
[Q
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
/(VCF × Q
}
{\plain\f4\fs16\cf2\ulc2
breach
}
{\plain\f4\fs21\cf2\ulc2
)]
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Where:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
LRV
}
{\plain\f4\fs16\cf2\ulc2
DIT
}
{\plain\f4\fs21\cf2\ulc2
= the sensitivity of the direct integrity test;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Q
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
= total design filtrate flow from the membrane unit;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Q
}
{\plain\f4\fs16\cf2\ulc2
breach
}
{\plain\f4\fs21\cf2\ulc2
= flow of water from an integrity breach associated with the smallest integrity test response that can be reliably measured; and
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
VCF = volumetric concentration factor, which is the ratio of the suspended solids concentration on the high-pressure side of the membrane relative to that in the feed water.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
\u9679?
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
For direct integrity tests using a particulate or molecular marker, the direct integrity test sensitivity must be calculated according to the following equation:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
LRV
}
{\plain\f4\fs16\cf2\ulc2
DIT
}
{\plain\f4\fs21\cf2\ulc2
= LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
(C
}
{\plain\f4\fs16\cf2\ulc2
f
}
{\plain\f4\fs21\cf2\ulc2
) – LOG
}
{\plain\f4\fs16\cf2\ulc2
10
}
{\plain\f4\fs21\cf2\ulc2
(C
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
)
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Where:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
LRV
}
{\plain\f4\fs16\cf2\ulc2
DIT
}
{\plain\f4\fs21\cf2\ulc2
= the sensitivity of the direct integrity test;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
C
}
{\plain\f4\fs16\cf2\ulc2
f
}
{\plain\f4\fs21\cf2\ulc2
= the typical feed concentration of the marker used in the test; and
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
C
}
{\plain\f4\fs16\cf2\ulc2
p
}
{\plain\f4\fs21\cf2\ulc2
= the filtrate concentration of the marker from an integral membrane unit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems must establish a control limit within the sensitivity limits of the direct integrity test that is indicative of an integral membrane unit capable of meeting the removal credit awarded by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the result of a direct integrity test exceeds the control limit established under 43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)“4,” the system must remove the membrane unit from service. Systems must conduct a direct integrity test to verify any repairs and may return the membrane unit to service only if the direct integrity test is within the established control limit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
6.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems must conduct direct integrity testing on each membrane unit at a frequency of not less than once each day that the membrane unit is in operation. The department may approve less frequent testing, based on demonstrated process reliability, the use of multiple barriers effective for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
, or reliable process safeguards.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Indirect integrity monitoring. Systems must conduct continuous indirect integrity monitoring on each membrane unit according to the following criteria. Indirect integrity monitoring is defined as monitoring some aspect of filtrate water quality that is indicative of the removal of particulate matter. A system that implements continuous direct integrity testing of membrane units in accordance with the criteria in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)
}
}}
{\plain\f4\fs21\cf2\ulc2
is not subject to the requirements for continuous indirect integrity monitoring. Systems must submit a monthly report to the department summarizing all continuous indirect integrity monitoring results triggering direct integrity testing and the corrective action that was taken in each case.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Unless the department approves an alternative parameter, continuous indirect integrity monitoring must include continuous filtrate turbidity monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Continuous monitoring must be conducted at a frequency of no less than once every 15 minutes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Continuous monitoring must be separately conducted on each membrane unit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If indirect integrity monitoring includes turbidity and if the filtrate turbidity readings are above 0.15 NTU for a period greater than 15 minutes (i.e., two consecutive 15-minute readings above 0.15 NTU), direct integrity testing must immediately be performed on the associated membrane unit as specified in 43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)“1” through 43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)“5.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If indirect integrity monitoring includes a department-approved alternative parameter and if the alternative parameter exceeds a department-approved control limit for a period greater than 15 minutes, direct integrity testing must immediately be performed on the associated membrane units as specified in 43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)“1” through 43.11(12)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)“5.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Second-stage filtration.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems receive 0.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for using a separate second stage of filtration that consists of sand, dual media, GAC, or other fine-grain media following granular media filtration if the department approves. To be eligible for this credit, the first stage of filtration must be preceded by a coagulation step and both filtration stages must treat the entire plant flow taken from a surface water or influenced groundwater source. A cap, such as GAC, on a single stage of filtration is not eligible for this credit. The department must approve the treatment credit based on an assessment of the design characteristics of the filtration process.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Slow sand filtration (as secondary filter).
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems are eligible to receive 2.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit for using a slow sand filtration process that follows a separate stage of filtration if both filtration stages treat entire plant flow taken from a surface water or influenced groundwater source and no disinfectant residual is present in the influent water to the slow sand filtration process. The department must base its approval of the treatment credit on an assessment of the design characteristics of the filtration process. This does not apply to treatment credit awarded for slow sand filtration used as a primary filtration process.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(13)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Inactivation toolbox components.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Calculation of CT values.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
CT is the product of the disinfectant contact time (T, in minutes) and disinfectant concentration (C, in milligrams per liter). Systems with treatment credit for chlorine dioxide or ozone under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
}}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
must calculate CT at least once each day, with both C and T measured during peak hourly flow as specified in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.5(4)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems with several disinfection segments in sequence may calculate CT for each segment, where a disinfection segment is defined as a treatment unit process with a measureable disinfectant residual level and a liquid volume. Under this approach, systems must add the
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
CT values in each segment to determine the total CT for the treatment plant.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
CT values for chlorine dioxide and ozone.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
As described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
{\plain\f4\fs21\i\cf2\ulc2
“a,”
}
}}
{\plain\f4\fs21\cf2\ulc2
systems receive the
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit listed in Table 1 of Appendix B by meeting the corresponding chlorine dioxide CT value for the applicable water temperature.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
As described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
{\plain\f4\fs21\i\cf2\ulc2
“a,”
}
}}
{\plain\f4\fs21\cf2\ulc2
systems receive the
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment credit listed in Table 2 of Appendix B by meeting the corresponding ozone CT value for the applicable water temperature.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Site-specific study.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The department may approve alternative chlorine dioxide or ozone CT values to those listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
}}
{\plain\f4\fs21\cf2\ulc2
on a site-specific basis. The department must base its approval on a site-specific study conducted by the system. The study must follow a department-approved protocol.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Ultraviolet light.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems receive
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
,
}
{\plain\f4\fs21\i\cf2\ulc2
Giardia lamblia
}
{\plain\f4\fs21\cf2\ulc2
, and virus treatment credits for ultraviolet (UV) light reactors by achieving the corresponding UV dose values shown in Table 3 of Appendix B. Systems must use the following procedures to validate and monitor UV reactors in order to demonstrate that the reactors are achieving a particular UV dose value for treatment credit.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Reactor validation testing. Systems must use UV reactors that have undergone validation testing to determine the operating conditions under which the reactor delivers the required UV dose (i.e., validated operating conditions). These operating conditions must include flow rate, UV intensity as measured by a UV sensor, and UV lamp status.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
When determining validated operating conditions, systems must account for the following factors: UV absorbance of the water; lamp fouling and aging; measurement uncertainty of on-line sensors; UV dose distributions arising from the velocity profiles through the reactor; failure of UV lamps or other critical system components; and inlet and outlet piping or channel configurations of the UV reactor.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Validation testing must include the following: full-scale testing of a reactor that conforms uniformly to the UV reactors used by the system and inactivation of a test microorganism whose dose response characteristics have been quantified with a low-pressure mercury vapor lamp.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The department may approve an alternative approach to validation testing.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Reactor monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Systems must monitor their UV reactors to determine if the reactors are operating within validated conditions, as determined under 43.11(13)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(1). This monitoring must include UV sensor, flow rate, lamp status, and other parameters the department designates based on UV reactor operation. Systems must verify the calibration of UV sensors and must recalibrate sensors in accordance with a protocol approved by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
To receive treatment credit for UV light, systems must treat at least 95 percent of the water delivered to the public during each month by UV reactors operating within validated conditions for the required UV dose. Systems must demonstrate compliance with this condition by the monitoring required under 43.11(13)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(2)“1.”
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(14)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Sampling schedules and monitoring results.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must report source water sampling schedules and monitoring results under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“e,”
}
}}
{\plain\f4\fs21\cf2\ulc2
unless the systems notify the department that they will not conduct source water monitoring due to meeting the criteria of 5.5-log treatment for
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
}}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium bin classification.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must report their
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
bin classification determined under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Disinfection profiles and benchmarks.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must report disinfection profiles and benchmarks to the department as described in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
}}
{\plain\f4\fs21\cf2\ulc2
and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
}}
{\plain\f4\fs21\cf2\ulc2
prior to making a significant change in disinfection practice.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
d.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Microbial toolbox options.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must report to the department in accordance with Table 7 for any microbial toolbox options used to comply with treatment requirements under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(6)
}
}}
{\plain\f4\fs21\cf2\ulc2
.
}
\par
\pard\keepn\sb180\qc\sl250
{\plain\f4\fs21\cf2\ulc2
Table 7: Microbial Toolbox Reporting Requirements
}
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\pard\plain\f0\fs17
\par
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Toolbox Option
}
\cell
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{\plain\f4\fs18\cf2\ulc2
Systems must submit this information
}
\cell
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{\plain\f4\fs18\cf2\ulc2
Information must be submitted
}
\par
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{\plain\f4\fs18\cf2\ulc2
on this schedule
}
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1. Watershed control program
}
\cell
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{\plain\f4\fs18\cf2\ulc2
Notice of intention to develop a new or continue an existing watershed control program
}
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{\plain\f4\fs18\cf2\ulc2
No later than two years before the applicable treatment compliance date in 43.11(7)
}
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Watershed control plan
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{\plain\f4\fs18\cf2\ulc2
No later than one year before the applicable treatment compliance date in 43.11(7)
}
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{\plain\f4\fs18\cf2\ulc2
Annual watershed control program status report
}
\cell
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{\plain\f4\fs18\cf2\ulc2
Every 12 months, beginning one year after the applicable treatment compliance date in 43.11(7)
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\cell
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Watershed sanitary survey report
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{\plain\f4\fs18\cf2\ulc2
- For community water systems, every three years beginning three years after the applicable treatment compliance date in 43.11(7)
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{\plain\f4\fs18\cf2\ulc2
- For noncommunity water systems, every five years beginning five years after the applicable treatment compliance date in 43.11(7)
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\cell
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{\plain\f4\fs18\cf2\ulc2
2. Alternative source/intake
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{\plain\f4\fs18\cf2\ulc2
\tab
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{\plain\f4\fs18\cf2\ulc2
management
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{\plain\f4\fs18\cf2\ulc2
Verification that system has relocated the intake or adopted the intake withdrawal procedure reflected in monitoring results
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{\plain\f4\fs18\cf2\ulc2
No later than the applicable treatment compliance date in 43.11(7)
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{\plain\f4\fs18\cf2\ulc2
3. Presedimentation
}
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{\plain\f4\fs18\cf2\ulc2
Monthly verification of the following:
}
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{\plain\f4\fs18\cf2\ulc2
- Continuous basin operation
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{\plain\f4\fs18\cf2\ulc2
- Treatment of 100 percent of the flow
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{\plain\f4\fs18\cf2\ulc2
- Continuous addition of a coagulant
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{\plain\f4\fs18\cf2\ulc2
- At least 0.5-log mean reduction of influent turbidity or compliance with alternative department-approved performance criteria
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{\plain\f4\fs18\cf2\ulc2
Monthly reporting within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
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\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
4. Two-stage lime softening
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly verification of the following:
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Chemical addition and hardness precipitation occurred in two separate and sequential softening stages prior to filtration
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Both stages treated 100 percent of plant flow
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly reporting within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
5. Bank filtration
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Initial demonstration of the following:
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Unconsolidated, predominantly sandy aquifer
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Setback distance of at least 25 feet for 0.5-log credit or 50 feet for 1.0-log credit
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No later than the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
If monthly average of daily maximum turbidity is greater than 1 NTU, then system must report result and submit an assessment of the cause.
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Report within 30 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
6. Combined filter performance
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly verification of combined filter effluent (CFE) turbidity levels less than or equal to 0.15 NTU in at least 95 percent of the 4-hour CFE measurements taken each month
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly reporting within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
7. Individual filter performance
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly verification of the following:
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Individual filter effluent (IFE) turbidity levels less than or equal to 0.15 NTU in at least 95 percent of samples each month in each filter
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- No individual filter effluent turbidity levels greater than 0.3 NTU in two consecutive readings 15 minutes apart
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly reporting within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
8. Demonstration of performance
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Results from testing following a department-approved protocol
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No later than the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
As required by the department, monthly verification of operation within conditions of department approval for demonstration of performance credit
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
9. Bag filters and cartridge filters
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Demonstration that the following criteria are met:
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Process meets the definition of bag or cartridge filtration
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Removal efficiency established through challenge testing that meets criteria in this subpart
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No later than the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly verification that 100 percent of plant flow was filtered
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
10. Membrane filtration
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Results of verification testing demonstrating the following:
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Removal efficiency established through challenge testing that meets criteria
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- Integrity test method and parameters, including resolution, sensitivity, test frequency, control limits, and associated baseline
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No later than the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\cellx8627
\pard\intbl
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly report summarizing the following:
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- All direct integrity tests above the control limit
}
\par
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
- If applicable, any turbidity or alternative department-approved indirect integrity monitoring results triggering direct integrity testing and the corrective action that was taken
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5\trkeepfollow
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8627
\pard\intbl\keepn
\par
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
11. Second-stage filtration
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly verification that 100 percent of flow was filtered through both stages and that first stage was preceded by coagulation step
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{
\column
}
{\plain\f4\fs18\cf2\ulc2
12. Slow sand filtration as a
}
\par
\pard\intbl\li80\ri90\sl200\tx288
{\plain\f4\fs18\cf2\ulc2
\tab
}
{\plain\f4\fs18\cf2\ulc2
secondary filter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly verification that both a slow sand filter and a preceding separate stage of filtration treated 100 percent of the flow from surface or influenced groundwater sources
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
13. Chlorine dioxide
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Summary of CT values for each day as described in 43.11(13)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
14. Ozone
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Summary of CT values for each day as described in 43.11(13)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
15. Ultraviolet light (UV)
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Validation test results demonstrating operating conditions that achieve required UV dose
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
No later than the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2873
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5736
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx8594
\clvertalt
\cellx8627
\pard\intbl
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly report summarizing the percentage of water entering the distribution system that was not treated by UV reactors operating within validated conditions for the required dose as specified in 43.11(13)
}
{\plain\f4\fs18\i\cf2\ulc2
“d”
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Within 10 days following the month in which the monitoring was conducted, beginning on the applicable treatment compliance date in 43.11(7)
}
\cell
\pard\intbl
\cell
\row
\pard\keepn\sb180\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.11
}
{\plain\f4\fs21\b\cf2\ulc2
(15)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Record-keeping requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Source water monitoring records.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must keep results from the initial round of source water monitoring under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
}}
{\plain\f4\fs21\cf2\ulc2
and the second round of source water monitoring under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
}}
{\plain\f4\fs21\cf2\ulc2
until three years after bin classification under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(5)
}
}}
{\plain\f4\fs21\cf2\ulc2
for the particular round of monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Systems meeting 5.5-log treatment for Cryptosporidium.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must keep for three years records of any notification to the department that the systems will meet the 5.5-log
}
{\plain\f4\fs21\i\cf2\ulc2
Cryptosporidium
}
{\plain\f4\fs21\cf2\ulc2
treatment requirements and avoid source water monitoring.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Microbial toolbox treatment monitoring records.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Systems must keep the results of treatment monitoring associated with microbial toolbox options under
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(8)
}
}}
{\plain\f4\fs21\cf2\ulc2
through
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
43.11(13)
}
}}
{\plain\f4\fs21\cf2\ulc2
for three years.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12;
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 3735C
}
}}
{\plain\f4\fs16\cf2
, IAB 4/11/18, effective 5/16/18]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—43.
}
{\plain\f4\fs21\b\cf2\ulc2
12
}
{\plain\f4\fs21\b\cf2\ulc2
(455B)
}
{\plain\f4\fs21\b\cf2\ulc2
Optimization goals.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
43.12
}
{\plain\f4\fs21\b\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Turbidity optimization goals.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
Surface water and IGW systems must meet the requirements listed in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.5
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B),
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.9
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B), and
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.10
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B). To encourage operational optimization, the department has adopted the following goals for systems using surface water or influenced groundwater and that wish to pursue the optimization of their existing treatment processes. These goals are voluntary. Data collected for optimization purposes will not be used to determine compliance with the requirements in
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.5.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.5
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B),
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.9.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.9
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B),
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.10.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.10
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B), or
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/iac/rule/567.43.11.pdf"}{\fldrslt
{\plain\f4\fs21\cf2\ulc2
567—43.11
}
}}
{\plain\f4\fs21\cf2\ulc2
(455B) unless the optimization data are identical to the compliance data.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
a.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Sedimentation performance goals.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The sedimentation performance goals are based upon the average annual raw water turbidity levels.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
When the annual average raw water turbidity is less than or equal to 10 NTU over the course of the calendar year, the turbidity should be less than or equal to 1 NTU in at least 95 percent of measurements based on the maximum daily value of readings taken at least once every four hours from each sedimentation basin while the plant is operating.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
When the annual average raw water turbidity is more than 10 NTU over the course of the calendar year, the turbidity should be less than or equal to 2 NTU in at least 95 percent of measurements based on the maximum daily value of readings taken at least once every four hours from each sedimentation basin while the plant is operating.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
b.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Individual filter performance goals.
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\cf2\ulc2
The individual filter performance goals depend upon the system’s capability of filtering to waste.
}
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\tab
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For systems that have the capability of filtering to waste, the individual filter turbidity should be less than or equal to 0.10 NTU in at least 95 percent of measurements over the course of the calendar year, based on the daily maximum value of readings recorded at least once per minute while the plant is in operation. The maximum individual filter turbidity must not exceed 0.30 NTU at any time. The filter must return to service with a turbidity of 0.10 NTU or less.
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For systems that do not have the capability of filtering to waste, the individual filter turbidity should be less than or equal to 0.10 NTU in at least 95 percent of measurements over the course of the calendar year, excepting the 15 minutes following the completion of the backwash process, based on the daily maximum value of readings recorded at least once per minute while the plant is in operation. The maximum individual filter turbidity must not exceed 0.30 NTU following backwash and must return to a level at or below 0.10 NTU within 15 minutes of returning the filter to service.
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c.
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\tab
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Combined filter performance goal.
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The combined filter performance goal has two components:
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\tab
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Combined filter effluent turbidity should be less than or equal to 0.10 NTU in at least 95 percent of measurements over the course of the calendar year, based on daily maximum value of readings recorded at least once per minute while the plant is operating.
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\tab
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The maximum individual filter turbidity must not exceed 0.30 NTU at any time.
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43.12
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(2)
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}
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Disinfection optimization goals.
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}
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Reserved.
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[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
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, IAB 12/14/11, effective 1/18/12]
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TABLE A: SEPARATION DISTANCES FROM WELLS
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Rescinded
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IAB 1/7/04
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, effective 2/11/04
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TABLE B
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Minimum Self-Monitoring Requirements
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Public Water Supply Systems
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[Prior to 12/12/90, appeared in 567—Ch 41, Table D]
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Rescinded IAB 8/11/99, effective 9/15/99
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APPENDIX A: CT
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99.9
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TABLES FOR DISINFECTION PROFILING
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TABLE 1: CT Values (CT
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99.9
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) for 99.9 Percent Inactivation of
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Giardia lamblia
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Cysts by Free Chlorine at 0.5°C or Lower
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1
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522
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175
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209
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252
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304
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368
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444
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533
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2.8
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178
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213
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257
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310
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375
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452
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543
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{\plain\f4\fs18\cf2
3.0
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181
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217
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261
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316
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382
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460
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552
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1
}
{\plain\f4\fs16\cf2
These CT values achieve greater than a 99.99 percent inactivation of viruses. Any CT values between the indicated pH values may be determined by linear interpolation. Any CT values between the indicated temperatures of different tables may be determined by linear interpolation. If no interpolation is used, use the CT
}
{\plain\f4\fs12\sub\cf2
99.9
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{\plain\f4\fs16\cf2
value at the lower temperature and at the higher pH.
}
\par
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TABLE 2: CT Values (CT
}
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99.9
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) for 99.9 Percent Inactivation of
}
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Giardia lamblia
}
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Cysts by Free Chlorine at 5.0°C
}
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1
}
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{\plain\f4\fs18\cf2
Free Residual
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pH
}
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{\plain\f4\fs18\cf2
Chlorine, mg/L
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\u8804?6.0
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6.5
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7.0
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7.5
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8.0
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8.5
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\u8804?9.0
}
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\u8804?0.4
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97
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117
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139
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{\plain\f4\fs18\cf2
166
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{\plain\f4\fs18\cf2
198
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\cell
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{\plain\f4\fs18\cf2
236
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\cell
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{\plain\f4\fs18\cf2
279
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{\plain\f4\fs18\cf2
0.6
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\cell
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{\plain\f4\fs18\cf2
100
}
\cell
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{\plain\f4\fs18\cf2
120
}
\cell
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{\plain\f4\fs18\cf2
143
}
\cell
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{\plain\f4\fs18\cf2
171
}
\cell
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{\plain\f4\fs18\cf2
204
}
\cell
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{\plain\f4\fs18\cf2
244
}
\cell
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{\plain\f4\fs18\cf2
291
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253
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312
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2.8
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124
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178
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217
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263
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318
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382
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3.0
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126
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151
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182
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221
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268
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324
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389
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1
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These CT values achieve greater than a 99.99 percent inactivation of viruses. Any CT values between the indicated pH values may be determined by linear interpolation. Any CT values between the indicated temperatures of different tables may be determined by linear interpolation. If no interpolation is used, use the CT
}
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99.9
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value at the lower temperature and at the higher pH.
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TABLE 3: CT Values (CT
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99.9
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) for 99.9 Percent Inactivation of
}
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Giardia lamblia
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Cysts by Free Chlorine at 10.0°C
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1
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Free Residual
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pH
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Chlorine, mg/L
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\u8804?6.0
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6.5
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7.0
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7.5
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8.0
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8.5
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\u8804?9.0
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These CT values achieve greater than a 99.99 percent inactivation of viruses. Any CT values between the indicated pH values may be determined by linear interpolation. Any CT values between the indicated temperatures of different tables may be determined by linear interpolation. If no interpolation is used, use the CT
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value at the lower temperature and at the higher pH.
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TABLE 4: CT Values (CT
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) for 99.9 Percent Inactivation of
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Giardia lamblia
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99
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60
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61
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73
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105
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108
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76
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62
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89
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109
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132
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159
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191
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3.0
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63
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76
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91
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111
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134
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162
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195
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1
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These CT values achieve greater than a 99.99 percent inactivation of viruses. Any CT values between the indicated pH values may be determined by linear interpolation. Any CT values between the indicated temperatures of different tables may be determined by linear interpolation. If no interpolation is used, use the CT
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99.9
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value at the lower temperature and at the higher pH.
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TABLE 5: CT Values (CT
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99.9
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) for 99.9 Percent Inactivation of
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Giardia lamblia
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Cysts by Free Chlorine at 20.0°C
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1
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Free Residual
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pH
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Chlorine, mg/L
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\u8804?6.0
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6.5
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7.0
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7.5
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8.0
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8.5
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\u8804?9.0
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36
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44
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52
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62
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74
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89
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105
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{\plain\f4\fs18\cf2
0.6
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38
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45
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\cell
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54
}
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64
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77
}
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{\plain\f4\fs18\cf2
92
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\cell
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109
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0.8
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39
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46
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55
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66
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79
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95
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113
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1.0
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39
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47
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56
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67
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81
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98
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117
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47
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67
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81
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99
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119
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143
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3.0
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47
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57
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68
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83
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101
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122
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146
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1
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These CT values achieve greater than a 99.99 percent inactivation of viruses. Any CT values between the indicated pH values may be determined by linear interpolation. Any CT values between the indicated temperatures of different tables may be determined by linear interpolation. If no interpolation is used, use the CT
}
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99.9
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value at the lower temperature and at the higher pH.
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TABLE 6: CT Values (CT
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99.9
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) for 99.9 Percent Inactivation of
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Giardia lamblia
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Cysts
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by Free Chlorine at 25.0°C and Higher
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1
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Free Residual
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pH
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Chlorine, mg/L
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\u8804?6.0
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6.5
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7.0
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7.5
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8.0
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8.5
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\u8804?9.0
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\u8804?0.4
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24
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29
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35
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42
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50
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\cell
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59
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70
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{\plain\f4\fs18\cf2
0.6
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{\plain\f4\fs18\cf2
25
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\cell
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{\plain\f4\fs18\cf2
30
}
\cell
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{\plain\f4\fs18\cf2
36
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\cell
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43
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\cell
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{\plain\f4\fs18\cf2
51
}
\cell
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{\plain\f4\fs18\cf2
61
}
\cell
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{\plain\f4\fs18\cf2
73
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These CT values achieve greater than a 99.99 percent inactivation of viruses. Any CT values between the indicated pH values may be determined by linear interpolation. Any CT values between the indicated temperatures of different tables may be determined by linear interpolation. If no interpolation is used, use the CT
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Giardia lamblia
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5
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10
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15
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20
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63
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26
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{\plain\f4\fs18\cf2
23
}
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{\plain\f4\fs18\cf2
19
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
15
}
\cell
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{\plain\f4\fs18\cf2
11
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clpadft3\clpadt80
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{\plain\f4\fs18\cf2
Ozone
}
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{\plain\f4\fs18\cf2
2.9
}
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{\plain\f4\fs18\cf2
1.9
}
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{\plain\f4\fs18\cf2
1.4
}
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{\plain\f4\fs18\cf2
0.95
}
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{\plain\f4\fs18\cf2
0.72
}
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{\plain\f4\fs18\cf2
0.48
}
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1
}
{\plain\f4\fs16\cf2
These CT values achieve greater than a 99.99 percent inactivation of viruses. Any CT values between the indicated temperatures may be determined by linear interpolation. If no interpolation is used, use the CT
}
{\plain\f4\fs12\sub\cf2
99.9
}
{\plain\f4\fs16\cf2
value at the lower temperature for determining CT
}
{\plain\f4\fs12\sub\cf2
99.9
}
{\plain\f4\fs16\cf2
values between indicated temperatures.
}
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{\plain\f4\fs21\cf2
TABLE 8: CT Values (CT
}
{\plain\f4\fs16\sub\cf2
99.9
}
{\plain\f4\fs21\cf2
) for 99.9 Percent Inactivation of
}
{\plain\f4\fs21\i\cf2
Giardia lamblia
}
{\plain\f4\fs21\cf2
Cysts by Chloramines
}
{\plain\f4\fs16\super\cf2
1
}
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\par
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\clpadft3\clpadt80
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{\plain\f4\fs18\cf2
Disinfectant
}
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{\plain\f4\fs18\cf2
Temperature, °C
}
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\pard\intbl
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{\plain\f4\fs18\cf2
<1
}
\cell
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{\plain\f4\fs18\cf2
5
}
\cell
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{\plain\f4\fs18\cf2
10
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
15
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
20
}
\cell
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{\plain\f4\fs18\cf2
25
}
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
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\clpadft3\clpadt80
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\clpadft3\clpadt80
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
Chloramines
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3800
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
2200
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1850
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1500
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1100
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
750
}
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{\plain\f4\fs12\super\cf2
1
}
{\plain\f4\fs16\cf2
These values are for pH values of 6 to 9. These CT values may be assumed to achieve greater than 99.99 percent inactivation of viruses only if chlorine is added and mixed in the water prior to the addition of ammonia. If this condition is not met, the system must demonstrate, based on on-site studies or other information, as approved by the department, that the system is achieving at least 99.99 percent inactivation of viruses. Any CT values between the indicated temperatures may be determined by linear interpolation. If no interpolation is used, use the CT
}
{\plain\f4\fs12\sub\cf2
99.9
}
{\plain\f4\fs16\cf2
value at the lower temperature for determining CT
}
{\plain\f4\fs12\sub\cf2
99.9
}
{\plain\f4\fs16\cf2
values between indicated temperatures.
}
\par
\pard\keepn\pagebb\sb180\qc\sl250
{\plain\f4\fs21\cf2
APPENDIX B: CT TABLES FOR
}
{\plain\f4\fs21\i\cf2
CRYPTOSPORIDIUM
}
{\plain\f4\fs21\cf2
INACTIVATION
}
\par
\pard\keepn\sb57\qc\sl250
{\plain\f4\fs21\cf2
TABLE 1: CT Values (mg-min/L) for
}
{\plain\f4\fs21\i\cf2
Cryptosporidium
}
{\plain\f4\fs21\cf2
Inactivation by Chlorine Dioxide
}
{\plain\f4\fs16\super\cf2
1
}
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\pard\plain\f0\fs17
\par
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Log Credit
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Water Temperature, °C
}
\cell
\row
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{\plain\f4\fs18\cf2
\u8804?0.5
}
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{\plain\f4\fs18\cf2
1
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
5
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
7
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
10
}
\cell
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{\plain\f4\fs18\cf2
15
}
\cell
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{\plain\f4\fs18\cf2
20
}
\cell
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{\plain\f4\fs18\cf2
25
}
\cell
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{\plain\f4\fs18\cf2
30
}
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{\plain\f4\fs18\cf2
0.25
}
\cell
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{\plain\f4\fs18\cf2
159
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
153
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
140
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
128
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
107
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
90
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
69
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
45
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
29
}
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Systems may use this equation to determine log credit between the indicated values:
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Log credit = [0.001506 × (1.09116)
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] × CT
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TABLE 2: CT Values (mg-min/L) for
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Cryptosporidium
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Inactivation by Ozone
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Water Temperature, °C
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20
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25
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12
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12
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3.0
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
72
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
69
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
63
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
57
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
47
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
39
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
30
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
19
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
7.4
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
4.7
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs12\super\cf2
1
}
{\plain\f4\fs16\cf2
Systems may use this equation to determine log credit between the indicated values:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs16\cf2
Log credit = [0.0397 × (1.09757)
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{\plain\f4\fs12\super\cf2
Temp
}
{\plain\f4\fs16\cf2
] × CT
}
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{\plain\f4\fs21\cf2
TABLE 3: UV Dose for
}
{\plain\f4\fs21\i\cf2
Cryptosporidium
}
{\plain\f4\fs21\cf2
,
}
{\plain\f4\fs21\i\cf2
Giardia lamblia
}
{\plain\f4\fs21\cf2
, and Virus Inactivation Credit
}
{\plain\f4\fs16\super\cf2
1
}
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\par
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Log Credit
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\i\cf2
Cryptosporidium
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
UV dose (mJ/cm
}
{\plain\f4\fs14\super\cf2
2
}
{\plain\f4\fs18\cf2
)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\i\cf2
Giardia lamblia
}
\par
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{\plain\f4\fs18\cf2
UV dose (mJ/cm
}
{\plain\f4\fs14\super\cf2
2
}
{\plain\f4\fs18\cf2
)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Virus UV dose
}
\par
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{\plain\f4\fs18\cf2
(mJ/cm
}
{\plain\f4\fs14\super\cf2
2
}
{\plain\f4\fs18\cf2
)
}
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\clpadft3\clpadt80
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{\plain\f4\fs18\cf2
0.5
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\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.6
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.5
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
39
}
\cell
\row
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4325
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6485
\clpadft3\clpadt80
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\clpadfl3\clpadl80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.0
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\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
2.5
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
2.1
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\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
58
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\cell
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4325
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6485
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.5
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\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3.9
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3.0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
79
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4325
\clpadft3\clpadt80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6485
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
2.0
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\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
5.8
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
5.2
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
100
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4325
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6485
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
2.5
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
8.5
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
7.7
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
121
}
\cell
\row
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4325
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6485
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3.0
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
11
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
143
}
\cell
\row
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3.5
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
15
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
15
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
163
}
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\row
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\clpadft3\clpadt80
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\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4325
\clpadft3\clpadt80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6485
\clpadft3\clpadt80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
4.0
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
22
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
22
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
186
}
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{\plain\f4\fs12\super\cf2
1
}
{\plain\f4\fs16\cf2
The treatment credits listed in Table 3 are for UV light at a wavelength of 254 nm as produced by a low-pressure mercury vapor lamp. To receive treatment credit for other lamp types, systems must demonstrate an equivalent germicidal dose through reactor validation testing. The UV dose values in this table are applicable only to post-filter applications of UV in filtered systems.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
{\plain\f4\fs16\b\cf2
ARC 9915B
}
}}
{\plain\f4\fs16\cf2
, IAB 12/14/11, effective 1/18/12]
}
\par
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{\plain\f4\fs16\cf2
\~
}
\par
\pard\keepn\qc\sl250
{\plain\f4\fs21\cf2
TABLE 1: CT Values (mg-min/L) for Inactivation of Viruses by Free Chlorine, pH 6.0-9.0
}
{\plain\f4\fs16\super\cf2
1
}
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\pard\plain\f0\fs17
\par
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\clpadfr3\clpadr80
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\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
Inactivation
}
\cell
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{\plain\f4\fs16\cf2
Water Temperature, °C
}
\cell
\row
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\clpadft3\clpadt80
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Log Credit
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1
}
\cell
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2
}
\cell
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3
}
\cell
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4
}
\cell
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5
}
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6
}
\cell
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7
}
\cell
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8
}
\cell
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9
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\clpadfl3\clpadl80
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{\plain\f4\fs16\cf2
2
}
\cell
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{\plain\f4\fs16\cf2
5.8
}
\cell
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{\plain\f4\fs16\cf2
5.3
}
\cell
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{\plain\f4\fs16\cf2
4.9
}
\cell
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4.4
}
\cell
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{\plain\f4\fs16\cf2
4.0
}
\cell
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3.8
}
\cell
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3.6
}
\cell
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3.4
}
\cell
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3.2
}
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{\plain\f4\fs16\cf2
3
}
\cell
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{\plain\f4\fs16\cf2
8.7
}
\cell
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{\plain\f4\fs16\cf2
8.0
}
\cell
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{\plain\f4\fs16\cf2
7.3
}
\cell
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{\plain\f4\fs16\cf2
6.7
}
\cell
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{\plain\f4\fs16\cf2
6.0
}
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{\plain\f4\fs16\cf2
5.6
}
\cell
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{\plain\f4\fs16\cf2
5.2
}
\cell
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{\plain\f4\fs16\cf2
4.8
}
\cell
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{\plain\f4\fs16\cf2
4.4
}
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{\plain\f4\fs16\cf2
4
}
\cell
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{\plain\f4\fs16\cf2
11.6
}
\cell
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{\plain\f4\fs16\cf2
10.7
}
\cell
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{\plain\f4\fs16\cf2
9.8
}
\cell
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{\plain\f4\fs16\cf2
8.9
}
\cell
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{\plain\f4\fs16\cf2
8.0
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
7.6
}
\cell
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{\plain\f4\fs16\cf2
7.2
}
\cell
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{\plain\f4\fs16\cf2
6.8
}
\cell
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{\plain\f4\fs16\cf2
6.4
}
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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{\plain\f4\fs16\cf2
}
{\plain\f4\fs12\super\cf2
1
}
{\plain\f4\fs16\cf2
CT values provided in the table are modified by linear interpolation between 0.5°C increments.
}
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\par
\trowd\trleft5\trhdr
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\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
Inactivation
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\cell
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{\plain\f4\fs16\cf2
Water Temperature, °C
}
\cell
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{\plain\f4\fs16\cf2
Log Credit
}
\cell
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{\plain\f4\fs16\cf2
10
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
11
}
\cell
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{\plain\f4\fs16\cf2
12
}
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{\plain\f4\fs16\cf2
13
}
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{\plain\f4\fs16\cf2
14
}
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{\plain\f4\fs16\cf2
15
}
\cell
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{\plain\f4\fs16\cf2
16
}
\cell
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{\plain\f4\fs16\cf2
17
}
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\clpadft3\clpadt80
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\pard\intbl\qr\li80\ri666\sl180
{\plain\f4\fs16\cf2
2
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3.0
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2.8
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2.6
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2.4
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2.2
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2.0
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1.8
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1.6
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{\plain\f4\fs16\cf2
3
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4.0
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3.8
}
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3.6
}
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3.4
}
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3.2
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3.0
}
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2.8
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2.6
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{\plain\f4\fs16\cf2
4
}
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{\plain\f4\fs16\cf2
6.0
}
\cell
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{\plain\f4\fs16\cf2
5.6
}
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{\plain\f4\fs16\cf2
5.2
}
\cell
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{\plain\f4\fs16\cf2
4.8
}
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{\plain\f4\fs16\cf2
4.4
}
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{\plain\f4\fs16\cf2
4.0
}
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{\plain\f4\fs16\cf2
3.8
}
\cell
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{\plain\f4\fs16\cf2
3.6
}
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{\plain\f4\fs16\cf2
}
{\plain\f4\fs12\super\cf2
1
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CT values provided in the table are modified by linear interpolation between 0.5°C increments.
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{\plain\f4\fs16\cf2
Inactivation
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\cell
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Water Temperature, °C
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{\plain\f4\fs16\cf2
Log Credit
}
\cell
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{\plain\f4\fs16\cf2
18
}
\cell
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{\plain\f4\fs16\cf2
19
}
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{\plain\f4\fs16\cf2
20
}
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{\plain\f4\fs16\cf2
21
}
\cell
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22
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{\plain\f4\fs16\cf2
23
}
\cell
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24
}
\cell
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{\plain\f4\fs16\cf2
25
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2
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{\plain\f4\fs16\cf2
1.4
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1.2
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1.0
}
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1.0
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1.0
}
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{\plain\f4\fs16\cf2
1.0
}
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1.0
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1.0
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{\plain\f4\fs16\cf2
3
}
\cell
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{\plain\f4\fs16\cf2
2.4
}
\cell
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{\plain\f4\fs16\cf2
2.2
}
\cell
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{\plain\f4\fs16\cf2
2.0
}
\cell
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{\plain\f4\fs16\cf2
1.8
}
\cell
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1.6
}
\cell
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{\plain\f4\fs16\cf2
1.4
}
\cell
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{\plain\f4\fs16\cf2
1.2
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1.0
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{\plain\f4\fs16\cf2
4
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{\plain\f4\fs16\cf2
3.4
}
\cell
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{\plain\f4\fs16\cf2
3.2
}
\cell
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{\plain\f4\fs16\cf2
3.0
}
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{\plain\f4\fs16\cf2
2.8
}
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{\plain\f4\fs16\cf2
2.6
}
\cell
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{\plain\f4\fs16\cf2
2.4
}
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{\plain\f4\fs16\cf2
2.2
}
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{\plain\f4\fs16\cf2
2.0
}
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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{\plain\f4\fs16\cf2
}
{\plain\f4\fs12\super\cf2
1
}
{\plain\f4\fs16\cf2
CT values provided in the table are modified by linear interpolation between 0.5°C increments.
}
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\row
\pard\keepn\sb170\qc\sl250
{\plain\f4\fs21\cf2
TABLE 2: CT Values (mg-min/L) for Inactivation of Viruses by Free Chlorine, pH 9.1-10.0
}
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\par
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\clpadft3\clpadt80
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\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
Inactivation
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\pard\intbl\qc\li80\ri80\sl180
{\plain\f4\fs16\cf2
Water Temperature, °C
}
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\clpadft3\clpadt80
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\clpadft3\clpadt80
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\clpadfr3\clpadr80
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
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\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
Log Credit
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
0.5
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
5
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
10
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
15
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
20
}
\cell
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{\plain\f4\fs16\cf2
25
}
\cell
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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{\plain\f4\fs16\cf2
2
}
\cell
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{\plain\f4\fs16\cf2
45
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
30
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
22
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
15
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
11
}
\cell
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{\plain\f4\fs16\cf2
7
}
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4361
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clpadfb3\clpadb80
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\pard\intbl\qr\li80\ri666\sl180
{\plain\f4\fs16\cf2
3
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
66
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
44
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
33
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
22
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
16
}
\cell
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{\plain\f4\fs16\cf2
11
}
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5261
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6161
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7061
\pard\intbl\qr\li80\ri666\sl180
{\plain\f4\fs16\cf2
4
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
90
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
60
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
45
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
30
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
22
}
\cell
\pard\intbl\qc\li80\ri80\sl180
{\plain\f4\fs16\cf2
15
}
\cell
\row
\pard\keepn\pagebb\sb170\qc\sl250
{\plain\f4\fs21\cf2
TABLE 3: CT Values (mg-min/L) for Inactivation of Viruses by Chlorine Dioxide, pH 6.0-9.0
}
{\plain\f4\fs16\super\cf2
1
}
\par
\pard\plain\f0\fs17
\par
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1661
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8861
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
Inactivation
}
\cell
\pard\intbl\qc\li80\ri80\sl180
{\plain\f4\fs16\cf2
Water Temperature, °C
}
\cell
\row
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\clpadfr3\clpadr80
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\clpadfr3\clpadr80
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\clbrdrb\brdrdb\brdrw40\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8061
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\clpadfb3\clpadb80
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\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
Log Credit
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
1
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
2
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
3
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
4
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
5
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
6
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
7
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
8
}
\cell
\pard\intbl\qc\li80\ri80\sl180
{\plain\f4\fs16\cf2
9
}
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\clpadfr3\clpadr80
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2461
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\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3261
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\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4061
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4861
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5661
\clpadft3\clpadt80
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2
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\cell
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8.4
}
\cell
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7.7
}
\cell
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7.0
}
\cell
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6.3
}
\cell
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5.6
}
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5.3
}
\cell
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5.0
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4.8
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4.5
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{\plain\f4\fs16\cf2
3
}
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{\plain\f4\fs16\cf2
25.6
}
\cell
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23.5
}
\cell
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21.4
}
\cell
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19.2
}
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17.1
}
\cell
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{\plain\f4\fs16\cf2
16.2
}
\cell
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15.4
}
\cell
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14.5
}
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13.7
}
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{\plain\f4\fs16\cf2
4
}
\cell
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{\plain\f4\fs16\cf2
50.1
}
\cell
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{\plain\f4\fs16\cf2
45.9
}
\cell
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{\plain\f4\fs16\cf2
41.8
}
\cell
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{\plain\f4\fs16\cf2
37.6
}
\cell
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{\plain\f4\fs16\cf2
33.4
}
\cell
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{\plain\f4\fs16\cf2
31.7
}
\cell
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{\plain\f4\fs16\cf2
30.1
}
\cell
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{\plain\f4\fs16\cf2
28.4
}
\cell
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{\plain\f4\fs16\cf2
26.8
}
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{\plain\f4\fs16\cf2
}
{\plain\f4\fs12\super\cf2
1
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{\plain\f4\fs16\cf2
CT values provided in the table are modified by linear interpolation between 0.5°C increments.
}
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{\plain\f4\fs16\cf2
Inactivation
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\cell
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Water Temperature, °C
}
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{\plain\f4\fs16\cf2
Log Credit
}
\cell
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{\plain\f4\fs16\cf2
10
}
\cell
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{\plain\f4\fs16\cf2
11
}
\cell
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{\plain\f4\fs16\cf2
12
}
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{\plain\f4\fs16\cf2
13
}
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{\plain\f4\fs16\cf2
14
}
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{\plain\f4\fs16\cf2
15
}
\cell
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{\plain\f4\fs16\cf2
16
}
\cell
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{\plain\f4\fs16\cf2
17
}
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{\plain\f4\fs16\cf2
2
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\cell
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{\plain\f4\fs16\cf2
4.2
}
\cell
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{\plain\f4\fs16\cf2
3.9
}
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{\plain\f4\fs16\cf2
3.6
}
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{\plain\f4\fs16\cf2
3.4
}
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{\plain\f4\fs16\cf2
3.1
}
\cell
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{\plain\f4\fs16\cf2
2.8
}
\cell
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{\plain\f4\fs16\cf2
2.7
}
\cell
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{\plain\f4\fs16\cf2
2.5
}
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{\plain\f4\fs16\cf2
3
}
\cell
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{\plain\f4\fs16\cf2
12.8
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
12.0
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
11.1
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
10.3
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
9.4
}
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8.6
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8.2
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7.7
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4
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25.1
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23.4
}
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21.7
}
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20.1
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18.4
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16.7
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15.9
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15.0
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}
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1
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CT values provided in the table are modified by linear interpolation between 0.5°C increments.
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Inactivation
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\cell
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Water Temperature, °C
}
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Log Credit
}
\cell
\pard\intbl\qc\li80\ri90\sl180
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18
}
\cell
\pard\intbl\qc\li80\ri90\sl180
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19
}
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20
}
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21
}
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22
}
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23
}
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24
}
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25
}
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2
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2.4
}
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2.2
}
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2.1
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2.0
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1.8
}
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1.7
}
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1.5
}
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1.4
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3
}
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7.3
}
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6.8
}
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6.4
}
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6.0
}
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5.6
}
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{\plain\f4\fs16\cf2
5.1
}
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4.7
}
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4.3
}
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{\plain\f4\fs16\cf2
4
}
\cell
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{\plain\f4\fs16\cf2
14.2
}
\cell
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{\plain\f4\fs16\cf2
13.3
}
\cell
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{\plain\f4\fs16\cf2
12.5
}
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{\plain\f4\fs16\cf2
11.7
}
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10.9
}
\cell
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{\plain\f4\fs16\cf2
10.0
}
\cell
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{\plain\f4\fs16\cf2
9.2
}
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{\plain\f4\fs16\cf2
8.4
}
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\clpadfr3\clpadr80
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{\plain\f4\fs16\cf2
}
{\plain\f4\fs12\super\cf2
1
}
{\plain\f4\fs16\cf2
CT values provided in the table are modified by linear interpolation between 0.5°C increments.
}
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TABLE 4: CT Values (mg-min/L) for Inactivation of Viruses by Ozone
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1
}
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\par
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Inactivation
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\cell
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Water Temperature, °C
}
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Log Credit
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1
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\cell
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2
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3
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4
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5
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6
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7
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8
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9
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{\plain\f4\fs16\cf2
2
}
\cell
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{\plain\f4\fs16\cf2
0.90
}
\cell
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{\plain\f4\fs16\cf2
0.83
}
\cell
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{\plain\f4\fs16\cf2
0.75
}
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0.68
}
\cell
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0.60
}
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0.58
}
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0.56
}
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0.54
}
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0.52
}
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{\plain\f4\fs16\cf2
3
}
\cell
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{\plain\f4\fs16\cf2
1.40
}
\cell
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{\plain\f4\fs16\cf2
1.28
}
\cell
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{\plain\f4\fs16\cf2
1.15
}
\cell
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{\plain\f4\fs16\cf2
1.03
}
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{\plain\f4\fs16\cf2
0.90
}
\cell
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{\plain\f4\fs16\cf2
0.88
}
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{\plain\f4\fs16\cf2
0.86
}
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{\plain\f4\fs16\cf2
0.84
}
\cell
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{\plain\f4\fs16\cf2
0.82
}
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\clpadfr3\clpadr80
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\clpadfl3\clpadl80
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\clpadfl3\clpadl80
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{\plain\f4\fs16\cf2
4
}
\cell
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{\plain\f4\fs16\cf2
1.80
}
\cell
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{\plain\f4\fs16\cf2
1.65
}
\cell
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{\plain\f4\fs16\cf2
1.50
}
\cell
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{\plain\f4\fs16\cf2
1.35
}
\cell
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{\plain\f4\fs16\cf2
1.20
}
\cell
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{\plain\f4\fs16\cf2
1.16
}
\cell
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{\plain\f4\fs16\cf2
1.12
}
\cell
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{\plain\f4\fs16\cf2
1.08
}
\cell
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{\plain\f4\fs16\cf2
1.04
}
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\clpadfr3\clpadr80
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{\plain\f4\fs16\cf2
}
{\plain\f4\fs12\super\cf2
1
}
{\plain\f4\fs16\cf2
CT values provided in the table are modified by linear interpolation between 0.5°C increments.
}
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\par
\trowd\trleft5\trhdr
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{\plain\f4\fs16\cf2
Inactivation
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\cell
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{\plain\f4\fs16\cf2
Water Temperature, °C
}
\cell
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{\plain\f4\fs16\cf2
Log Credit
}
\cell
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{\plain\f4\fs16\cf2
10
}
\cell
\pard\intbl\qc\li80\ri90\sl180
{\plain\f4\fs16\cf2
11
}
\cell
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{\plain\f4\fs16\cf2
12
}
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{\plain\f4\fs16\cf2
13
}
\cell
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{\plain\f4\fs16\cf2
14
}
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{\plain\f4\fs16\cf2
15
}
\cell
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{\plain\f4\fs16\cf2
16
}
\cell
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{\plain\f4\fs16\cf2
17
}
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\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1661
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2461
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4061
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4
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0.92
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0.84
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0.76
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0.68
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0.60
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CT values provided in the table are modified by linear interpolation between 0.5°C increments.
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Inactivation
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Water Temperature, °C
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Log Credit
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18
}
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19
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20
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25
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2
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0.27
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0.25
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0.23
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0.21
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0.19
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0.17
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0.15
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3
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0.44
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0.42
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0.40
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0.37
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0.34
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0.31
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0.28
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0.25
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4
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0.54
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0.52
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0.50
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0.46
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0.42
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0.38
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0.34
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0.30
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1
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CT values provided in the table are modified by linear interpolation between 0.5°C increments.
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No CT table is provided for chloramines or total chlorine because the CT values would be prohibitively high for groundwater systems.
}
\par
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Tables are from the EPA Groundwater Rule Implementation Guidance, EPA 816-R-09-004, January 2009, pages 97-98.
}
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[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
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ARC 3735C
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, IAB 4/11/18, effective 5/16/18]
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These rules are intended to implement Iowa Code sections
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{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/ico/section/455B.171-188.pdf"}{\fldrslt
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455B.171 through 455B.188
}
}}
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and
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{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/ico/section/455B.190-192.pdf"}{\fldrslt
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455B.190 through 455B.192
}
}}
{\plain\f4\fs21\cf2
.
}
\par
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{\plain\f4\fs21\cf2
[Filed 11/26/90, Notice 6/13/90—published 12/12/90, effective 1/16/91]
}
\par
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{\plain\f4\fs21\cf2
[Filed 9/25/92, Notice 6/10/92—published 10/14/92, effective 11/18/92]
}
\par
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{\plain\f4\fs21\cf2
[Filed 7/30/93, Notice 5/12/93—published 8/18/93, effective 9/22/93]
}
\par
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{\plain\f4\fs21\cf2
[Filed 1/27/95, Notice 10/12/94—published 2/15/95, effective 3/22/95
}
{\plain\f4\fs11\super\up13\cf2
1
}
{\plain\f4\fs21\cf2
]
}
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[Filed emergency 8/25/95—published 9/13/95, effective 8/25/95]
}
\par
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{\plain\f4\fs21\cf2
[Filed 3/22/96, Notice 11/8/95—published 4/10/96, effective 5/15/96]
}
\par
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{\plain\f4\fs21\cf2
[Filed 7/23/99, Notice 4/7/99—published 8/11/99, effective 9/15/99]
}
\par
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{\plain\f4\fs21\cf2
[Filed 9/29/00, Notice 6/14/00—published 10/18/00, effective 11/22/00]
}
\par
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{\plain\f4\fs21\cf2
[Filed 12/17/03, Notice 9/17/03—published 1/7/04, effective 2/11/04]
}
\par
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{\plain\f4\fs21\cf2
[Filed 12/12/06, Notice 10/11/06—published 1/3/07, effective 2/7/07]
}
\par
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{\plain\f4\fs21\cf2
[Filed 7/6/07, Notice 3/28/07—published 8/1/07, effective 9/5/07]
}
\par
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{\plain\f4\fs21\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9915B.pdf"}{\fldrslt
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Filed ARC 9915B
}
}}
{\plain\f4\fs21\cf2
(
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/9737B.pdf"}{\fldrslt
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Notice ARC 9737B
}
}}
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, IAB 9/7/11), IAB 12/14/11, effective 1/18/12]
}
\par
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{\plain\f4\fs21\cf2
[
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3735C.pdf"}{\fldrslt
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Filed ARC 3735C
}
}}
{\plain\f4\fs21\cf2
(
}
{\field{\*\fldinst HYPERLINK "https://www.legis.iowa.gov/docs/aco/arc/3568C.pdf"}{\fldrslt
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Notice ARC 3568C
}
}}
{\plain\f4\fs21\cf2
, IAB 1/17/18), IAB 4/11/18, effective 5/16/18]
}
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{\listtext
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1
}
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\tab
}
}
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Effective date of 43.2(3)
}
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“b”
}
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(1) to (9) and 43.3(3)
}
{\plain\f4\fs16\i\cf2
“b”
}
{\plain\f4\fs16\cf2
(1) and (2) delayed until adjournment of the 1995 General Assembly by the Administrative Rules Review Committee at its meeting held March 13, 1995.
}
\par
\pard\sect
}