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IAC 1/12/11
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Environmental Protection[567]
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Environmental Protection[567]
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IAC 1/12/11
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\pard\keepn\sb57\qc\sl250
{\plain\f4\fs21\cf2
CHAPTER 135
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
TECHNICAL STANDARDS AND CORRECTIVE ACTION REQUIREMENTS FOR
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
OWNERS AND OPERATORS OF UNDERGROUND STORAGE TANKS
}
\par
\pard\qc\sl180
{\plain\f4\fs14\cf2
[Prior to 12/3/86, Water, Air and Waste Management[900]]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.1
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Authority, purpose and applicability.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.1(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Authority.
}
{\plain\f4\fs21\cf2\ulc2
Iowa Code chapter 455B, division IV, part 8, authorizes the department to regulate underground tanks used for storage of regulated substances, and to adopt rules relating to detection, prevention and correction of releases of regulated substances from such tanks, maintenance of financial responsibility by owners or operators of such tanks, new tank performance standards, notice and reporting requirements, and designation of regulated substances.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.1(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Purpose.
}
{\plain\f4\fs21\cf2\ulc2
The purpose of these rules is to protect the public health and safety and the natural resources of Iowa by timely and appropriate detection, prevention and correction of releases of regulated substances from underground storage tanks (UST).
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.1(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability.
}
\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 requirements of this chapter apply to all owners and operators of a UST system as defined in 135.2(455B) except as otherwise provided in paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“b,” “c,”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
of this subrule. Any UST system listed in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
of this subrule must meet the requirements of 135.1(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\cf2\ulc2
The following UST systems are excluded from the requirements of this chapter:
}
\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 UST system holding hazardous wastes listed or identified under Subtitle C of the Solid Waste Disposal Act, or a mixture of such hazardous waste and other regulated substances.
}
\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 wastewater treatment tank system that is part of a wastewater treatment facility regulated under Section 402 or 307(b) of the federal Clean Water Act.
}
\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
Equipment or machinery that contains regulated substances for operational purposes such as hydraulic lift tanks and electrical equipment tanks.
}
\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 UST system whose capacity is 110 gallons or less.
}
\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 UST system that contains a de minimus concentration of regulated substances.
}
\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
Any emergency spill or overflow containment UST system that is expeditiously emptied after use.
}
\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
Deferrals. Rules 567—135.3(455B), 567—135.4(455B), 567—135.5(455B), 567— 135.6(455B) and 567—135.9(455B) do not apply to any of the following types of UST 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
Wastewater treatment tank 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
Any UST systems containing radioactive material that are regulated under the federal Atomic Energy Act of 1954 (42 U.S.C. 2011 and following);
}
\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 UST system that is part of an emergency generator system at nuclear power generation facilities regulated by the Nuclear Regulatory Commission under 10 CFR 50 Appendix A;
}
\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
Airport hydrant fuel distribution systems; 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
UST systems with field-constructed tanks.
}
\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
Deferrals. Rule 567—135.5(455B) does not apply to any UST system that stores fuel solely for use by emergency power generators. All new and replacement UST systems for emergency power generators must meet the secondary containment requirements in subrule 135.3(9) and the leak detection and delivery prohibition requirements in subrule 135.3(8).
}
\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
Nonpetroleum underground storage tank systems. Rules 567—135.8(455B) to 567— 135.12(455B) do not apply to any nonpetroleum underground storage tank system except as otherwise provided for by the department.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.1(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Interim prohibition for deferred UST 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\cf2\ulc2
No person may install a UST system listed in 135.1(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
for the purpose of storing regulated substances unless the UST system (whether of single- or double-wall construction):
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
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{\plain\f4\fs21\cf2\ulc2
Will prevent releases due to corrosion or structural failure for the operational life of the UST system;
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
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{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
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{\plain\f4\fs21\cf2\ulc2
Is cathodically protected against corrosion, constructed of noncorrodible material, steel clad with a noncorrodible material, or designed in a manner to prevent the release or threatened release of any stored substance; and
}
\par
\pard\qj\sl250\tx340\tx680
{\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
Is constructed or lined with material that is compatible with the stored substance.
}
\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
Notwithstanding paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
of this subrule, a UST system without corrosion protection may be installed at a site that is determined by a corrosion expert not to be corrosive enough to cause it to have a release due to corrosion during its operating life. Owners and operators must maintain records that demonstrate compliance with the requirements of this paragraph for the remaining life of the tank.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The National Association of Corrosion Engineers Standard RP-02-85, “Control of External Corrosion on Metallic Buried, Partially Buried, or Submerged Liquid Storage Systems,” may be used as guidance for complying with 135.1(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.2
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Definitions.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Aboveground release”\~
}
{\plain\f4\fs21\cf2\ulc2
means any release to the surface of the land or to surface water. This includes, but is not limited to, releases from the aboveground portion of a UST system and aboveground releases associated with overfills and transfer operations as the regulated substance moves to or from a UST system.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Active remediation”\~
}
{\plain\f4\fs21\cf2\ulc2
means corrective action undertaken to reduce contaminant concentrations by other than passive remediation or monitoring.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Ancillary equipment”\~
}
{\plain\f4\fs21\cf2\ulc2
means any devices including, but not limited to, such devices as piping, fittings, flanges, valves, and pumps used to distribute, meter, or control the flow of regulated substances to and from a UST.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Appurtenances”\~
}
{\plain\f4\fs21\cf2\ulc2
means devices such as piping, fittings, flanges, valves, dispensers and pumps used to distribute, meter, or control the flow of regulated substances to or from an underground storage tank.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Asbestos-cement pipe”\~
}
{\plain\f4\fs21\cf2\ulc2
(AC refers to asbestos-cement) means a pipe or conduit constructed of asbestos fiber, Portland cement, and water, which can be used to transport water.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“ASTM”\~
}
{\plain\f4\fs21\cf2\ulc2
means the American Society of Testing and Materials.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Backflow preventer”\~
}
{\plain\f4\fs21\cf2\ulc2
means a check valve used to ensure water flows in one direction and designed to prevent contamination from an end user, such as a home, from getting into the general water supply. An approved backflow preventer 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.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Bedrock”\~
}
{\plain\f4\fs21\cf2\ulc2
means the rock, usually solid, underlying soil or any other unconsolidated surficial cover.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Below-ground release”\~
}
{\plain\f4\fs21\cf2\ulc2
means any release to the subsurface of the land and to groundwater. This includes, but is not limited to, releases from the below-ground portions of an underground storage tank system and below-ground releases associated with overfills and transfer operations as the regulated substance moves to or from an underground storage tank.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Beneath the surface of the ground”\~
}
{\plain\f4\fs21\cf2\ulc2
means beneath the ground surface or otherwise covered with earthen materials.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Best available technology”\~
}
{\plain\f4\fs21\cf2\ulc2
means those practices which most appropriately remove, treat, or isolate contaminants from groundwater, soil or associated environment, as determined through professional judgment considering actual equipment or techniques currently in use, published technical articles, site hydrogeology and research results, engineering and groundwater professional reference materials, consultation with experts in the field, capital and operating costs, and guidelines or rules of other regulatory agencies.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Best management practices”\~
}
{\plain\f4\fs21\cf2\ulc2
means maintenance procedures, schedule of activities, prohibition of practices, and other management practices, or a combination thereof, which, after problem assessment, is determined to be the most effective means of monitoring and preventing additional contamination of the groundwater and soil.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Carcinogenic risk”\~
}
{\plain\f4\fs21\cf2\ulc2
means the incremental risk of a person developing cancer over a lifetime as a result of exposure to a chemical, expressed as a probability such as one in a million (10
}
{\plain\f4\fs16\super\cf2\ulc2
-6
}
{\plain\f4\fs21\cf2\ulc2
). For carcinogenic chemicals of concern, probability is derived from application of certain designated exposure assumptions and a slope factor.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Cast iron pipe”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pipe or conduit used as a pressure pipe for transmission of water, gas, or sewage or as a water drainage pipe. It comprises predominantly a gray cast iron tube historically used uncoated, with newer types having various coatings and linings to reduce corrosion and improve hydraulics.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Cathodic protection”\~
}
{\plain\f4\fs21\cf2\ulc2
is a technique to prevent corrosion of a metal surface by making that surface the cathode of an electrochemical cell. For example, a tank system can be cathodically protected through the application of either galvanic anodes or impressed current.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Cathodic protection tester”\~
}
{\plain\f4\fs21\cf2\ulc2
means a person who can demonstrate an understanding of the principles and measurements of all common types of cathodic protection systems as applied to buried or submerged metal piping and tank systems. At a minimum, such persons must have education and experience in soil resistivity, stray current, structure-to-soil potential, and component electrical isolation measurements of buried metal piping and tank systems.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“CERCLA”\~
}
{\plain\f4\fs21\cf2\ulc2
means the Comprehensive Environmental Response, Compensation, and Liability Act of 1980.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Certified groundwater professional”\~
}
{\plain\f4\fs21\cf2\ulc2
means a person certified pursuant to 1995 Iowa Code section 455G.18 and 567—Chapter 134.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Change-in-service”\~
}
{\plain\f4\fs21\cf2\ulc2
means changing the use of a tank system from a regulated to a nonregulated use.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Chemicals of concern”\~
}
{\plain\f4\fs21\cf2\ulc2
means the compounds derived from petroleum-regulated substances which are subject to evaluation for purposes of applying risk-based corrective action decision making. These compounds are benzene, ethylbenzene, toluene, and xylenes (BTEX) and naphthalene, benzo(a)pyrene, benz(a)anthracene, and chrysene. (N
}
{\plain\f4\fs21\scaps\cf2\ulc2
ote
}
{\plain\f4\fs21\cf2\ulc2
: Measurement of these last four constituents may be done by a conversion method from total extractable hydrocarbons, see subrule 135.8(3).)
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Class A operator”\~
}
{\plain\f4\fs21\cf2\ulc2
means a person responsible for managing resources and personnel to achieve and maintain compliance with regulatory requirements under this chapter. This includes ensuring appropriate individuals are trained in the proper operation and maintenance of the underground storage tank system, the maintenance of all required records, the procedures for response to emergencies caused by releases or spills, and assuring financial responsibility and documentation to the department or its representatives as required.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Class B operator”\~
}
{\plain\f4\fs21\cf2\ulc2
means a person who implements applicable underground storage tank regulatory requirements and standards. This includes implementing the day-to-day aspects of operating, maintaining, and record keeping for underground storage tanks at one or more facilities. A Class B operator typically monitors, maintains and ensures that release detection methods, record-keeping, and reporting requirements are met; release prevention equipment, record-keeping, and reporting requirements are met; all relevant equipment complies with performance standards; and appropriate individuals are trained to properly respond to emergencies caused by releases and spills.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Class C operator”\~
}
{\plain\f4\fs21\cf2\ulc2
means an on-site employee who typically controls or monitors the dispensing or sale of regulated substances and who is the first line of response to events indicating emergency conditions.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Compatible”\~
}
{\plain\f4\fs21\cf2\ulc2
means the ability of two or more substances to maintain their respective physical and chemical properties upon contact with one another for the design life of the tank system under conditions likely to be encountered in the UST.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Conduit”\~
}
{\plain\f4\fs21\cf2\ulc2
means underground structures which act as pathways and receptors for chemicals of concern, including but not limited to gravity drain lines and sanitary or storm sewers.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Connected piping”\~
}
{\plain\f4\fs21\cf2\ulc2
means all underground piping including valves, elbows, joints, flanges, and flexible connectors attached to a tank system through which regulated substances flow. For the purpose of determining how much piping is connected to any individual UST system, the piping that joins two UST systems should be allocated equally between them.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Consumptive use”\~
}
{\plain\f4\fs21\cf2\ulc2
with respect to heating oil means consumed on the premises.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Corrective action”\~
}
{\plain\f4\fs21\cf2\ulc2
means an action taken to reduce, minimize, eliminate, clean up, control or monitor a release to protect the public health and safety or the environment. Corrective action includes, but is not limited to, excavation of an underground storage tank for the purpose of repairing a leak or removal of a tank, removal of contaminated soil, disposal or processing of contaminated soil, cleansing of groundwaters or surface waters, natural biodegradation, institutional controls, technological controls and site management practices. Corrective action does not include replacement of an underground storage tank. Corrective action specifically excludes third-party liability.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Corrective action meeting process”\~
}
{\plain\f4\fs21\cf2\ulc2
means a series of meetings organized by department staff with owners or operators and other interested parties such as certified groundwater professionals, funding source representatives, and affected property owners. The purpose of the meeting process is to develop and agree on a corrective action plan and the terms for implementation of the plan.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Corrective action plan”\~
}
{\plain\f4\fs21\cf2\ulc2
means a plan which specifies the corrective action to be undertaken by the owner or operator in order to comply with requirements in this chapter and which is incorporated into a memorandum of agreement or other written agreement between the department and the owner or operator. The plan may include but is not limited to provisions for additional site assessment, site monitoring, Tier 2 revisions, Tier 3 assessment, excavation, and other soil and groundwater remedial action.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Corrosion expert”\~
}
{\plain\f4\fs21\cf2\ulc2
means a person who, by reason of thorough knowledge of the physical sciences and the principles of engineering and mathematics acquired by a professional education and related practical experience, is qualified to engage in the practice of corrosion control on buried or submerged metal piping systems and metal tanks. Such a person must be accredited or certified as being qualified by the National Association of Corrosion Engineers or be a registered professional engineer who has certification or licensing that includes education and experience in corrosion control of buried or submerged metal piping systems and metal tanks.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Department”\~
}
{\plain\f4\fs21\cf2\ulc2
means Iowa department of natural resources.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Dielectric material”\~
}
{\plain\f4\fs21\cf2\ulc2
means a material that does not conduct direct electrical current. Dielectric coatings are used to electrically isolate UST systems from the surrounding soils. Dielectric bushings are used to electrically isolate portions of the UST systems (e.g., tank from piping).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Dispenser”\~
}
{\plain\f4\fs21\cf2\ulc2
means equipment that is used to transfer a regulated substance from underground piping through a rigid or flexible hose or piping located aboveground to a point of use outside the underground storage tank system, such as a motor vehicle.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Drinking water well”\~
}
{\plain\f4\fs21\cf2\ulc2
means any groundwater well used as a source for drinking water by humans and groundwater wells used primarily for the final production of food or medicine for human consumption in facilities routinely characterized with the Standard Industrial Codes (SIC) group 283 for drugs and 20 for foods.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Ductile iron pipe”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pipe or conduit commonly used for potable water distribution and for the pumping of sewage. The predominant wall material is ductile iron, a spheroidized graphite cast iron, and commonly has an internal cement mortar lining to inhibit corrosion from the carried water and various types of external coatings to inhibit corrosion from the environment.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Electrical equipment”\~
}
{\plain\f4\fs21\cf2\ulc2
means underground equipment that contains dielectric fluid that is necessary for the operation of equipment such as transformers and buried electrical cable.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Enclosed space”\~
}
{\plain\f4\fs21\cf2\ulc2
means space which can act as a receptor or pathway capable of creating a risk of explosion or inhalation hazard to humans and includes “explosive receptors” and “confined spaces.” Explosive receptors means those receptors designated in these rules which are evaluated for explosive risk. Confined spaces means those receptors designated in these rules for evaluation of vapor inhalation risks.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Excavation zone”\~
}
{\plain\f4\fs21\cf2\ulc2
means the volume containing the tank system and backfill material bounded by the ground surface, walls, and floor of the pit and trenches into which the UST system is placed at the time of installation.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Existing tank system”\~
}
{\plain\f4\fs21\cf2\ulc2
means a tank system used to contain an accumulation of regulated substances or for which installation has commenced on or before January 14, 1987. Installation is considered to have commenced if:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
The owner or operator has obtained all federal, state, and local approvals or permits necessary to begin physical construction of the site or installation of the tank system; and if,
}
\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
Either a continuous on-site physical construction or installation program has begun; 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
The owner or operator has entered into contractual obligations, which cannot be canceled or modified without substantial loss, for physical construction at the site or installation of the tank system to be completed within a reasonable time.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Farm tank”\~
}
{\plain\f4\fs21\cf2\ulc2
is a tank located on a tract of land devoted to the production of crops or raising animals, including fish, and associated residences and improvements. A farm tank must be located on the farm property. “Farm” includes fish hatcheries, rangeland and nurseries with growing operations.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Flow-through process tank”\~
}
{\plain\f4\fs21\cf2\ulc2
is a tank that forms an integral part of a production process through which there is a steady, variable, recurring, or intermittent flow of materials during the operation of the process. Flow-through process tanks do not include tanks used for the storage of materials prior to their introduction into the production process or for the storage of finished products or by-products from the production process.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Free product”\~
}
{\plain\f4\fs21\cf2\ulc2
refers to a regulated substance that is present as a nonaqueous phase liquid (e.g., liquid not dissolved in water).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Gasket”\~
}
{\plain\f4\fs21\cf2\ulc2
means any type of pipe seals made of a variety of rubbers including but not necessarily limited to styrene-butadiene rubber (SBR), nitrile-butadiene rubber (NBR or nitrile), ethylene propylene diene monomer (EPDM), neoprene (CR), and fluoroelastomer rubber (FKM), which are used to seal pipe connections.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Gathering lines”\~
}
{\plain\f4\fs21\cf2\ulc2
means any pipeline, equipment, facility, or building used in the transportation of oil or gas during oil or gas production or gathering operations.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Groundwater ingestion pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pathway through groundwater by which chemicals of concern may result in exposure to a human receptor as specified in rules applicable to Tier 1, Tier 2 and Tier 3.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Groundwater plume”\~
}
{\plain\f4\fs21\cf2\ulc2
means the extent of groundwater impacted by the release of chemicals of concern.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Groundwater to water line pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pathway through groundwater which leads to a water line.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Groundwater vapor to enclosed space pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pathway through groundwater by which vapors from chemicals of concern may lead to a receptor creating an inhalation or explosive risk hazard.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Hazardous substance UST system”\~
}
{\plain\f4\fs21\cf2\ulc2
means an underground storage tank system that contains a hazardous substance defined in Section 101(14) of the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (but not including any substance regulated as a hazardous waste under subtitle C) or any mixture of such substances and petroleum, and which is not a petroleum UST system.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Hazard quotient”\~
}
{\plain\f4\fs21\cf2\ulc2
means the ratio of the level of exposure of a chemical of concern over a specified time period to a reference dose for that chemical of concern derived for a similar exposure period. Unless otherwise specified, the hazard quotient designated in these rules is one.
}
\par
\pard\qj\fi340\sl250\tx40\tx40\tx40\tx40\tx40\tx40\tx40
{\plain\f4\fs21\i\cf2\ulc2
“Heating oil”\~
}
{\plain\f4\fs21\cf2\ulc2
means petroleum that is No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1, No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2, No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4-light, No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
4-heavy, No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5-light, No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
5-heavy, and No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
6 technical grades of fuel oil; other residual fuel oils (including Navy Special Fuel Oil and Bunker C); and other fuels when used as substitutes for one of these fuel oils. Heating oil is typically used in the operation of heating equipment, boilers, or furnaces.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Highly permeable soils”\~
}
{\plain\f4\fs21\cf2\ulc2
means for the purpose of UST closures: fractured bedrock, any soils with a hydraulic conductivity rate greater than 0.3 meters per day, or any soil material classified by the Unified Soil Classification System as published by the United States Department of the Interior or ASTM designation as (1) GW - well graded gravel, gravel-sand mixtures, little or no fines, (2) GP - poorly graded gravel, gravel-sand mixtures, little or no fines, (3) SW - well graded sands, gravelly sands, little or no fines, or (4) SP - poorly graded sands, gravelly sands, little or no fines.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Hydraulic conductivity”\~
}
{\plain\f4\fs21\cf2\ulc2
means the rate of water movement through the soil measured in meters per day (m/d) as determined by the following methods. For a saturated soil, the Bouwer-Rice method or its equivalent shall be used. For unsaturated soil, use a Guelph permeameter or an equivalent in situ constant-head permeameter in a boring finished above the water table. If an in situ method cannot be used for unsaturated soil because of depth, or if the soil is homogeneous and lacks flow-conducting channels, fractures, cavities, etc., laboratory measurement of hydraulic conductivity is acceptable.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If laboratory methods are used, collect undisturbed soil samples using a thin-walled tube sampler in accordance with American Society of Testing and Materials (ASTM) Standard D1587. Samples shall be clearly marked, preserved and transported to the laboratory. The laboratory shall measure hydraulic conductivity using a constant-head permeameter in accordance with ASTM Standard D2434 or a falling-head permeameter in accordance with accepted methodology.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Hydraulic lift tank”\~
}
{\plain\f4\fs21\cf2\ulc2
means a tank holding hydraulic fluid for a closed-loop mechanical system that uses compressed air or hydraulic fluid to operate lifts, elevators, and other similar devices.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Institutional controls”\~
}
{\plain\f4\fs21\cf2\ulc2
means the restriction on use or access (for example, fences, deed restrictions, restrictive zoning) to a site or facility to eliminate or minimize potential exposure to a chemical(s) of concern. Institutional controls include any of 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 law of the United States or the state;
}
\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 regulation issued pursuant to federal or state laws;
}
\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 ordinance or regulation of a political subdivision in which real estate subject to the institutional control is located;
}
\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 restriction on the use of or activities occurring at real estate which are embodied in a covenant running with the land which:
}
\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
Contains a legal description of the real estate in a manner which satisfies Iowa Code section 558.1 et seq.;
}
\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
Is properly executed, in a manner which satisfies Iowa Code section 558.1 et seq.;
}
\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
Is recorded in the appropriate office of the county in which the real estate is located;
}
\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
Adequately and accurately describes the institutional control; 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
Is in the form of a covenant as set out in Appendix C or in such a manner reasonably acceptable to 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
Any other institutional control the owner or operator can reasonably demonstrate to the department which will reduce the risk from a release throughout the period necessary to ensure that no applicable target risk is likely to be exceeded.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Liquid trap”\~
}
{\plain\f4\fs21\cf2\ulc2
means sumps, well cellars, and other traps used in association with oil and gas production, gathering, and extraction operations (including gas production plants), for the purpose of collecting oil, water, and other liquids. These liquid traps may temporarily collect liquids for subsequent disposition or reinjection into a production or pipeline stream, or may collect and separate liquids from a gas stream.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Maintenance”\~
}
{\plain\f4\fs21\cf2\ulc2
means the normal operational upkeep to prevent an underground storage tank system from releasing product.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“MCLs”\~
}
{\plain\f4\fs21\cf2\ulc2
means the drinking water primary maximum contaminant levels set out in 567—41.3(455B).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Memorandum of agreement”\~
}
{\plain\f4\fs21\cf2\ulc2
means a written agreement between the department and the owner or operator which specifies the corrective action that will be undertaken by the owner or operator in order to comply with requirements in this chapter and the terms for implementation of the plan. The plan may include but is not limited to provisions for additional site assessment, site monitoring, Tier 2 revisions, Tier 3 assessment, excavation, and other soil and groundwater remedial action.
}
\par
\pard\qj\fi340\sl250\tx40\tx40
{\plain\f4\fs21\i\cf2\ulc2
“Motor fuel”\~
}
{\plain\f4\fs21\cf2\ulc2
means petroleum or a petroleum-based substance that is motor gasoline, aviation gasoline, No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1 or No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2 diesel fuel, or any grade of gasohol, and is typically used in the operation of a motor engine.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“New tank system”\~
}
{\plain\f4\fs21\cf2\ulc2
means a tank system that will be used to contain an accumulation of regulated substances and for which installation has commenced after January 14, 1987. (See also “Existing Tank System.”)
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Noncarcinogenic risk”\~
}
{\plain\f4\fs21\cf2\ulc2
means the potential for adverse systemic or toxic effects caused by exposure to noncarcinogenic chemicals of concern, expressed as the hazard quotient.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Noncommercial purposes”\~
}
{\plain\f4\fs21\cf2\ulc2
with respect to motor fuel means not for resale.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Non-drinking water well”\~
}
{\plain\f4\fs21\cf2\ulc2
means any groundwater well (except an extraction well used as part of a remediation system) not defined as a drinking water well including a groundwater well which is not properly plugged in accordance with department rules in 567—Chapters 39 and 49.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Nonresidential area”\~
}
{\plain\f4\fs21\cf2\ulc2
means land which is not currently used as a residential area and which is zoned for nonresidential uses.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“On the premises where stored”\~
}
{\plain\f4\fs21\cf2\ulc2
with respect to heating oil means UST systems located on the same property where the stored heating oil is used.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Operational life”\~
}
{\plain\f4\fs21\cf2\ulc2
refers to the period beginning when installation of the tank system has commenced until the time the tank system is properly closed under rule 567—135.15(455B).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Operator”\~
}
{\plain\f4\fs21\cf2\ulc2
means any person in control of, or having responsibility for, the daily operation of the UST system.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Overfill release”\~
}
{\plain\f4\fs21\cf2\ulc2
is a release that occurs when a tank is filled beyond its capacity, resulting in a discharge of the regulated substance to the environment.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Owner”\~
}
{\plain\f4\fs21\cf2\ulc2
means:
}
\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 the case of a UST system in use on July 1, 1985, or brought into use after that date, any person who owns a UST system used for storage, use, or dispensing of regulated substances; 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
In the case of any UST system in use before July 1, 1985, but no longer in use on that date, any person who owned such UST immediately before the discontinuation of its use.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Owner”\~
}
{\plain\f4\fs21\cf2\ulc2
does not include a person, who, without participating in the management or operation of the underground storage tank or the tank site, holds indicia of ownership primarily to protect that person’s security interest in the underground storage tank or the tank site property, prior to obtaining ownership or control through debt enforcement, debt settlement, or otherwise.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means a transport mechanism by which chemicals of concern may reach a receptor(s) or the location(s) of a potential receptor.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Permanent closure”\~
}
{\plain\f4\fs21\cf2\ulc2
means removing all regulated substances from the tank system, assessing the site for contamination, and permanently removing tank and piping from the ground or filling the tank in place with a solid inert material and plugging all piping. Permanent closure also includes partial closure of a tank system such as removal or replacement of tanks or piping only.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Person”\~
}
{\plain\f4\fs21\cf2\ulc2
means an individual, trust, firm, joint stock company, federal agency, corporation, state, municipality, commission, political subdivision of a state, or any interstate body. “Person” also includes a consortium, a joint venture, a commercial entity, and the United States government.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Person who conveys or deposits a regulated substance”\~
}
{\plain\f4\fs21\cf2\ulc2
means a person who sells or supplies the owner or operator with the regulated substance and the person who transports or actually deposits the regulated substance in the underground tank.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Petroleum UST system”\~
}
{\plain\f4\fs21\cf2\ulc2
means an underground storage tank system that contains petroleum or a mixture of petroleum with de minimus quantities of other regulated substances. Such systems include those containing motor fuels, jet fuels, distillate fuel oils, residual fuel oils, lubricants, petroleum solvents, and used oils.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Pipe”\~
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“piping”\~
}
{\plain\f4\fs21\cf2\ulc2
means a hollow cylinder or tubular conduit that is constructed of nonearthen materials and that routinely contains and conveys regulated substances from the underground tank(s) to the dispenser(s) or other end-use equipment. Such piping includes any elbows, couplings, unions, valves, or other in-line fixtures that contain and convey regulated substances from the underground tank(s) to the dispenser(s). This definition does not include vent, vapor recovery, or fill lines.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Pipeline facilities (including gathering lines)”\~
}
{\plain\f4\fs21\cf2\ulc2
are new and existing pipe rights-of-way and any associated equipment, facilities, or buildings.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Point of compliance”\~
}
{\plain\f4\fs21\cf2\ulc2
means the location(s) at the source(s) of contamination or at the location(s) between the source(s) and the point(s) of exposure where concentrations of chemicals of concern must meet applicable risk-based screening levels at Tier 1 or other target level(s) at Tier 2 or Tier 3.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Point of exposure”\~
}
{\plain\f4\fs21\cf2\ulc2
means the location(s) at which an actual or potential receptor may be exposed to chemicals of concern via a pathway.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Polybutylene pipe”\~
}
{\plain\f4\fs21\cf2\ulc2
(PB refers to polybutylene) means a water supply pipe comprised of a form of plastic resin that was used extensively from 1978 until 1995. The piping systems were used for underground water mains and as interior water distribution piping. Polybutylene mains are usually blue in color, but may be gray, black, or white. The pipe is usually
}
{\plain\f0\fs21\cf2\ulc2
½
}
{\plain\f4\fs21\cf2\ulc2
inch or 1 inch in diameter, and it may be found entering a residence through the basement wall or floor, concrete slab or through the crawlspace; frequently it enters the residence near the water heater.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Polyethylene pipe”\~
}
{\plain\f4\fs21\cf2\ulc2
(PE refers to polyethylene) means a water supply pipe comprised of thermoplastic material produced from the polymerization of ethylene. PE pipe is manufactured by extrusion in sizes ranging from ½ inch to 63 inches. PE pipe is available in rolled coils of various lengths or in straight lengths of up to 40 feet. PE pipe is available in many forms and colors, including single-extrusion colored or black pipe, black pipe with co-extruded color striping, and black or natural pipe with a co-extruded colored layer. PE pipe has been demonstrated to be very permeable to petroleum while still retaining its flexible structure.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Polyvinyl chloride pipe”\~
}
{\plain\f4\fs21\cf2\ulc2
(PVC refers to polyvinyl chloride) means a pipe made from a plastic and vinyl combination material. The pipes are durable, hard to damage, and long-lasting. A PVC pipe is very resistant and does not rust, nor is it likely to rot or wear over time. PVC piping is most commonly used in water systems, underground wiring, and sewer lines.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Portland cement”\~
}
{\plain\f4\fs21\cf2\ulc2
means hydraulic cement (cement that not only hardens by reacting with water but also forms a water-resistant product) and is produced by pulverizing clinkers consisting essentially of hydraulic calcium silicates, usually containing one or more forms of calcium sulfate as an inter ground addition.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Potential receptor”\~
}
{\plain\f4\fs21\cf2\ulc2
means a receptor not in existence at the time a Tier 1, Tier 2 or Tier 3 site assessment is prepared, but which could reasonably be expected to exist within 20 years of the preparation of the Tier 1, Tier 2 or Tier 3 site assessment or as otherwise specified in these rules.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Preferential pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means conditions which act as a pathway permitting contamination to migrate through soils and to groundwater at a faster rate than would be expected through naturally occurring undisturbed soils or unfractured bedrock including but not limited to wells, cisterns, tile lines, drainage systems, utility lines and envelopes, and conduits.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Protected groundwater source”\~
}
{\plain\f4\fs21\cf2\ulc2
means a saturated bed, formation, or group of formations which has a hydraulic conductivity of at least 0.44 meters per day (m/d) and a total dissolved solids of less than 2,500 milligrams per liter (mg/l) or a bedrock aquifer with total dissolved solids of less than 2,500 milligrams per liter (mg/l) if bedrock is encountered before groundwater.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Public water supply well”\~
}
{\plain\f4\fs21\cf2\ulc2
means a well connected to a system for the provision to the public of piped water for human consumption, if such system has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days out of the year.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Receptor”\~
}
{\plain\f4\fs21\cf2\ulc2
means enclosed spaces, conduits, protected groundwater sources, drinking and non-drinking water wells, surface water bodies, and public water systems which when impacted by chemicals of concern may result in exposure to humans and aquatic life, explosive conditions or other adverse effects on health, safety and the environment as specified in these rules.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Reference dose”\~
}
{\plain\f4\fs21\cf2\ulc2
means a designated toxicity value established in these rules for evaluating potential noncarcinogenic effects in humans resulting from exposure to a chemical(s) of concern. Reference doses are designated in Appendix A.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Regulated substance”\~
}
{\plain\f4\fs21\cf2\ulc2
means an element, compound, mixture, solution or substance which, when released into the environment, may present substantial danger to the public health or welfare or the environment. Regulated substance 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
Substances designated in Table 302.4 of 40 CFR Part 302 (September 13, 1988),
}
\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
Substances which exhibit the characteristics identified in 40 CFR 261.20 through 261.24 (May 10, 1984) and which are not excluded from regulation as a hazardous waste under 40 CFR 261.4(b) (May 10, 1984),
}
\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 substance defined in Section 101(14) of the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) of 1980 (but not including any substance regulated as a hazardous waste under subtitle C), 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
Petroleum, including crude oil or any fraction thereof that is liquid at standard conditions of temperature and pressure (60 degrees Fahrenheit and 14.7 pounds per square inch absolute). The term “regulated substance” includes but is not limited to petroleum and petroleum-based substances comprised of a complex blend of hydrocarbons derived from crude oil through processes of separation, conversion, upgrading, and finishing, such as motor fuels, jet fuels, distillate fuel oils, residual fuel oils, lubricants, petroleum solvents, and used oils.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Release”\~
}
{\plain\f4\fs21\cf2\ulc2
means any spilling, leaking, emitting, discharging, escaping, leaching or disposing of a regulated substance, including petroleum, from a UST into groundwater, surface water or subsurface soils.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Release detection”\~
}
{\plain\f4\fs21\cf2\ulc2
means determining whether a release of a regulated substance has occurred from the UST system into the environment or into the interstitial space between the UST system and its secondary barrier or secondary containment around it.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Repair”\~
}
{\plain\f4\fs21\cf2\ulc2
means to restore a tank or UST system component that has caused a release of product from the UST system.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Replace”\~
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“replacement”\~
}
{\plain\f4\fs21\cf2\ulc2
means the installation of a new underground tank system or component, including dispensers, in substantially the same location as an existing tank system or component in lieu of that tank system or component.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Residential area”\~
}
{\plain\f4\fs21\cf2\ulc2
means land used as a permanent residence or domicile, such as a house, apartment, nursing home, school, child care facility or prison, land zoned for such uses, or land where no zoning is in place.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Residential tank”\~
}
{\plain\f4\fs21\cf2\ulc2
is a tank located on property used primarily for dwelling purposes.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Risk-based screening level (RBSL)”\~
}
{\plain\f4\fs21\cf2\ulc2
means the risk-based concentration level for chemicals of concern developed for a Tier 1 analysis to be met at the point(s) of compliance and incorporated in the Tier 1 Look-up Table in Appendix A.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“SARA”\~
}
{\plain\f4\fs21\cf2\ulc2
means the federal Superfund Amendments and Reauthorization Act of 1986.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Secondary containment tank”\~
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“secondary containment piping”\~
}
{\plain\f4\fs21\cf2\ulc2
means a tank or piping which is designed with an inner primary shell and a liquid-tight outer secondary shell or jacket which extends around the entire inner shell, and which is designed to contain any leak through the primary shell from any part of the tank or piping that routinely contains product, and which also allows for monitoring of the interstitial space between the shells and the detection of any leak.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Septic tank”\~
}
{\plain\f4\fs21\cf2\ulc2
is a watertight covered receptacle designed to receive or process, through liquid separation or biological digestion, the sewage discharged from a building sewer. The effluent from such receptacle is distributed for disposal through the soil and settled solids and scum from the tank are pumped out periodically and hauled to a treatment facility.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Service line”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pipe connected to a business or residence from a water main, typically of a size not exceeding 6 inches in diameter, and including its gaskets and other appurtenances. For purposes of this chapter, service lines refer to pipes specifically used for drinking water transmission.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Site assessment investigation”\~
}
{\plain\f4\fs21\cf2\ulc2
means an investigation conducted by a registered groundwater professional to determine relevant site historical data, the types, amounts, and sources of petroleum contaminants present, hydrogeological characteristics of the site, full vertical and horizontal extent of the contamination in soils and groundwater, direction and rate of flow of the contamination, ranges of concentration of the contaminants by analysis of soils and groundwater, the vertical and horizontal extent of the contamination exceeding department standards, and the actual or potential threat to public health and safety and the environment.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Site cleanup report”\~
}
{\plain\f4\fs21\cf2\ulc2
means the report required to be submitted by these rules and in accordance with department guidance which may include the results of Tier 2 or Tier 3 assessment and analysis.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Site-specific target level (SSTL)”\~
}
{\plain\f4\fs21\cf2\ulc2
means the risk-based target level(s) for chemicals of concern developed as the result of a Tier 2 or Tier 3 assessment which must be achieved at applicable point(s) of compliance at the source to meet the target level(s) at the point(s) of exposure.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Soil leaching to groundwater pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pathway through soil by which chemicals of concern may leach to groundwater and through a groundwater transport pathway impact an actual or potential receptor.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Soil plume”\~
}
{\plain\f4\fs21\cf2\ulc2
means the vertical and horizontal extent of soil impacted by the release of chemicals of concern.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Soil to water line pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pathway which leads from soil to a water line.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Soil vapor to enclosed space pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pathway through soil by which vapors from chemicals of concern may lead to a receptor creating an inhalation or explosive risk hazard.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Storm water or wastewater collection system”\~
}
{\plain\f4\fs21\cf2\ulc2
means piping, pumps, conduits, and any other equipment necessary to collect and transport the flow of surface water run-off resulting from precipitation, or domestic, commercial, or industrial wastewater to and from retention areas or any areas where treatment is designated to occur. The collection of storm water and wastewater does not include treatment except where incidental to conveyance.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Surface impoundment”\~
}
{\plain\f4\fs21\cf2\ulc2
is a natural topographic depression, constructed excavation, or diked area formed primarily of earthen materials (although it may be lined with manufactured materials) that is not an injection well.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Surface water body”\~
}
{\plain\f4\fs21\cf2\ulc2
means general use segments as provided in 567—paragraph 61.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
and designated use segments of water bodies as provided in 567—paragraph 61.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
and 567—subrule 61.3(5).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Surface water criteria”\~
}
{\plain\f4\fs21\cf2\ulc2
means, for chemicals of concern, the Criteria for Chemical Constituents in Table 1 of rule 567—61.3(455B), except that “1,000 ug/L” will be substituted for the chronic levels for toluene for Class B designated use segments.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Surface water pathway”\~
}
{\plain\f4\fs21\cf2\ulc2
means a pathway which leads to a surface water body.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Tank”\~
}
{\plain\f4\fs21\cf2\ulc2
is a stationary device designed to contain an accumulation of regulated substances and constructed of nonearthen materials (e.g., concrete, steel, plastic) that provide structural support.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Target level”\~
}
{\plain\f4\fs21\cf2\ulc2
means the allowable concentrations of chemicals of concern established to achieve an applicable target risk which must be met at the point(s) of compliance as specified in these rules.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Target risk”\~
}
{\plain\f4\fs21\cf2\ulc2
refers to an applicable carcinogenic and noncarcinogenic risk factor designated in these rules and used in determining target levels (for carcinogenic risk assessment, target risk is a separate factor, different from exposure factors, both of which are used in determining target levels).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Technological controls”\~
}
{\plain\f4\fs21\cf2\ulc2
means a physical action which does not involve source removal or reduction, but severs or reduces exposure to a receptor, such as caps, containment, carbon filters, point of use water treatment, etc.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Tier 1 level”\~
}
{\plain\f4\fs21\cf2\ulc2
means the groundwater and soil levels in the Tier 1 Look-up Table set out in rule 135.9(455B) and Appendix A.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Tier 1 site assessment”\~
}
{\plain\f4\fs21\cf2\ulc2
means the evaluation of limited site-specific data compared to the Tier 1 levels established in these rules for the purpose of determining which pathways do not require assessment and evaluation at Tier 2 and which sites warrant a no further action required classification without further assessment and evaluation.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Tier 2 site assessment”\~
}
{\plain\f4\fs21\cf2\ulc2
means the process of assessing risk to actual and potential receptors by using site-specific field data and designated Tier 2 exposure and fate and transport models to determine the applicable target level(s).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Tier 3 site assessment”\~
}
{\plain\f4\fs21\cf2\ulc2
means a site-specific risk assessment utilizing more sophisticated data or analytic techniques than a Tier 2 site assessment.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Under-dispenser containment (UDC)”\~
}
{\plain\f4\fs21\cf2\ulc2
means containment underneath a dispenser that will prevent leaks from the dispenser from reaching soil or groundwater. Such containment must:
}
\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
Be intact and liquid-tight on its sides and bottom and at any penetrations;
}
\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
Be compatible with the substance conveyed by the piping; 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
Allow for visual inspection and monitoring and access to the components in the containment system.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Underground area”\~
}
{\plain\f4\fs21\cf2\ulc2
means an underground room, such as a basement, cellar, shaft or vault, providing enough space for physical inspection of the exterior of the tank situated on or above the surface of the floor.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Underground release”\~
}
{\plain\f4\fs21\cf2\ulc2
means any below-ground release.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Underground storage tank”\~
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“UST”\~
}
{\plain\f4\fs21\cf2\ulc2
means any one or combination of tanks (including underground pipes connected thereto) that is used to contain an accumulation of regulated substances, and the volume of which (including the volume of underground pipes connected thereto) is 10 percent or more beneath the surface of the ground. This term does not include any:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
a
}
{\plain\f4\fs21\cf2\ulc2
. Farm or residential tank of 1100 gallons or less capacity used for storing motor fuel for noncommercial purposes. Iowa Code section 455B.471 requires those tanks existing prior to July 1, 1987, to be registered. Tanks installed on or after July 1, 1987, must comply with all 567—Chapter 135 rules;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
b
}
{\plain\f4\fs21\cf2\ulc2
. Tank used for storing heating oil for consumptive use on the premises where stored;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
c
}
{\plain\f4\fs21\cf2\ulc2
. Septic tank;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
d
}
{\plain\f4\fs21\cf2\ulc2
. Pipeline facility (including gathering lines) regulated under:
}
\par
\pard\qj\fi340\sl250\tx40
{\plain\f4\fs21\cf2\ulc2
(1) The Natural Gas Pipeline Safety Act of 1968 (49 U.S.C. App.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
1671, et seq.), or
}
\par
\pard\qj\fi340\sl250\tx40
{\plain\f4\fs21\cf2\ulc2
(2) The Hazardous Liquid Pipeline Safety Act of 1979 (49 U.S.C. App.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
2001, et seq.), or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
(3) Which is an intrastate pipeline facility regulated under state laws comparable to the provisions of the law referred to in
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(1) or
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(2) of this definition;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
e
}
{\plain\f4\fs21\cf2\ulc2
. Surface impoundment, pit, pond, or lagoon;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
f
}
{\plain\f4\fs21\cf2\ulc2
. Storm-water or wastewater collection system;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
g
}
{\plain\f4\fs21\cf2\ulc2
. Flow-through process tank;
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
h
}
{\plain\f4\fs21\cf2\ulc2
. Liquid trap or associated gathering lines directly related to oil or gas production and gathering operations; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
i
}
{\plain\f4\fs21\cf2\ulc2
. Storage tank situated in an underground area (such as a basement, cellar, mineworking, drift, shaft, or tunnel) if the storage tank is situated upon or above the surface of the floor.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
The term “underground storage tank” or “UST” does not include any pipes connected to any tank which is described in paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
through
}
{\plain\f4\fs21\i\cf2\ulc2
“j”
}
{\plain\f4\fs21\cf2\ulc2
of this definition.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Underground utility vault”\~
}
{\plain\f4\fs21\cf2\ulc2
means any constructed space accessible for inspection and maintenance associated with subsurface utilities.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Unreasonable risk to public health and safety or the environment”\~
}
{\plain\f4\fs21\cf2\ulc2
means the Tier 1 levels for a Tier 1 site assessment, the applicable target level for a Tier 2 site assessment, and the applicable target level for a Tier 3 site assessment.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Upgrade”\~
}
{\plain\f4\fs21\cf2\ulc2
means the addition or retrofit of some systems such as cathodic protection, lining, or spill and overfill controls to improve the ability of an underground storage tank system to prevent the release of product.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“UST system”\~
}
{\plain\f4\fs21\cf2\ulc2
or
}
{\plain\f4\fs21\i\cf2\ulc2
“tank system”\~
}
{\plain\f4\fs21\cf2\ulc2
means an underground storage tank, connected underground piping, underground ancillary equipment, and containment system, if any.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Utility envelope”\~
}
{\plain\f4\fs21\cf2\ulc2
means the backfill and trench used for any subsurface utility line, drainage system and tile line.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Wastewater treatment tank”\~
}
{\plain\f4\fs21\cf2\ulc2
means a tank that is designed to receive and treat an influent wastewater through physical, chemical, or biological methods.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Water line”\~
}
{\plain\f4\fs21\cf2\ulc2
means a hollow cylinder or tubular conduit that routinely contains and conveys potable water and is constructed of nonearthen materials, including but not limited to asbestos-cement, copper, high-density polyethylene (HDPE), polybutylene, polyethylene, and wood. Such piping includes any elbows, couplings, unions, valves, or other in-line fixtures, as well as the gaskets, which contain and convey potable water.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\i\cf2\ulc2
“Water main pipe”\~
}
{\plain\f4\fs21\cf2\ulc2
means a main line to the water distribution system with feeder lines or service lines connected to it and which typically is 6 inches or greater in diameter, and includes its gaskets and other appurtenances.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 7621B
}
{\plain\f4\fs16\cf2
, IAB 3/11/09, effective 4/15/09;
}
{\plain\f4\fs16\b\cf2
ARC 8124B
}
{\plain\f4\fs16\cf2
, IAB 9/9/09, effective 10/14/09;
}
{\plain\f4\fs16\b\cf2
ARC 9011B
}
{\plain\f4\fs16\cf2
, IAB 8/25/10, effective 9/29/10]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.3
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) UST systems—design, construction, installation and notification.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Performance standards for new UST systems.
}
{\plain\f4\fs21\cf2\ulc2
In order to prevent releases due to structural failure, corrosion, or spills and overfills for as long as the UST system is used to store regulated substances, all owners and operators of new UST systems must meet 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
Tanks.
}
{\plain\f4\fs21\cf2\ulc2
Each tank must be properly designed and constructed, and any portion underground that routinely contains product must be protected from corrosion, in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory as 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
The tank is constructed of fiberglass-reinforced plastic; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The following industry codes may be used to comply with 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1): Underwriters Laboratories Standard 1316, “Standard for Glass-Fiber-Reinforced Plastic Underground Storage Tanks for Petroleum Products”; Underwriters Laboratories of Canada CAN4-S615-M83, “Standard for Reinforced Plastic Underground Tanks for Petroleum Products”; or American Society of Testing and Materials Standard D4021-86, “Standard Specification for Glass-Fiber-Reinforced Polyester Underground Petroleum Storage Tanks.”
}
\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 tank is constructed of steel and cathodically protected 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
The tank is coated with a suitable dielectric material;
}
\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-installed cathodic protection systems are designed by a corrosion expert;
}
\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
Impressed current systems are designed to allow determination of current operating status as required in 135.4(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
; 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
Cathodic protection systems are operated and maintained in accordance with 135.4(2) or according to guidelines established by the department; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The following codes and standards may be used to comply with 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2): Steel Tank Institute “Specification for STI-P3 System of External Corrosion Protection of Underground Steel Storage Tanks”; Underwriters Laboratories Standard 1746, “Corrosion Protection Systems for Underground Storage Tanks”; Underwriters Laboratories of Canada CAN4-S603-M85, “Standard for Steel Underground Tanks for Flammable and Combustible Liquids,” and CAN4-GO3.1-M85, “Standard for Galvanic Corrosion Protection Systems for Underground Tanks for Flammable and Combustible Liquids,” and CAN4-S631-M84, “Isolating Bushings for Steel Underground Tanks Protected with Coatings and Galvanic Systems”; or National Association of Corrosion Engineers Standard RP-02-85, “Control of External Corrosion on Metallic Buried, Partially Buried, or Submerged Liquid Storage Systems,” and Underwriters Laboratories Standard 58, “Standard for Steel Underground Tanks for Flammable and Combustible Liquids.”
}
\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 tank is constructed of a steel-fiberglass-reinforced plastic composite; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The following industry codes may be used to comply with 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3): Underwriters Laboratories Standard 1746, “Corrosion Protection Systems for Underground Storage Tanks,” or the Association for Composite Tanks ACT-100, “Specification for the Fabrication of FRP Clad Underground Storage Tanks.”
}
\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 tank is constructed of metal without additional corrosion protection measures provided that:
}
\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 tank is installed at a site that is determined by a corrosion expert not to be corrosive enough to cause it to have a release due to corrosion during its operating life; 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
Owners and operators maintain records that demonstrate compliance with the requirements of 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(4)“1” for the remaining life of the tank; 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
The tank construction and corrosion protection are determined by the department to be designed to prevent the release or threatened release of any stored regulated substance in a manner that is no less protective of human health and the environment than 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1) to (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
Piping.
}
{\plain\f4\fs21\cf2\ulc2
The piping that routinely contains regulated substances and is in contact with the ground must be properly designed, constructed, and protected from corrosion in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory as 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
The piping is constructed of fiberglass-reinforced plastic; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The following codes and standards may be used to comply with 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1): Underwriters Laboratories Subject 971, “UL Listed Non-Metal Pipe”; Underwriters Laboratories Standard 567, “Pipe Connectors for Flammable and Combustible and LP Gas”; Underwriters Laboratories of Canada Guide ULC-107, “Glass Fiber Reinforced Plastic Pipe and Fittings for Flammable Liquids”; and Underwriters Laboratories of Canada Standard CAN 4-S633-M81, “Flexible Underground Hose Connectors.”
}
\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 piping is constructed of steel and cathodically protected 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
The piping is coated with a suitable dielectric material;
}
\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-installed cathodic protection systems are designed by a corrosion expert;
}
\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
Impressed current systems are designed to allow determination of current operating status as required in 135.4(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
; 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
Cathodic protection systems are operated and maintained in accordance with 135.4(2) or guidelines established by the department; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The following codes and standards may be used to comply with 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2): National Fire Protection Association Standard 30, “Flammable and Combustible Liquids Code”; American Petroleum Institute Publication 1615, “Installation of Underground Petroleum Storage Systems”; American Petroleum Institute Publication 1632, “Cathodic Protection of Underground Petroleum Storage Tanks and Piping Systems”; and National Association of Corrosion Engineers Standard RP-01-69, “Control of External Corrosion on Submerged Metallic Piping Systems.”
}
\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 piping is constructed of metal without additional corrosion protection measures provided that:
}
\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 piping is installed at a site that is determined by a corrosion expert to not be corrosive enough to cause it to have a release due to corrosion during its operating life; 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
Owners and operators maintain records that demonstrate compliance with the requirements of 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(3)“1” for the remaining life of the piping; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
National Fire Protection Association Standard 30, “Flammable and Combustible Liquids Code”; and National Association of Corrosion Engineers Standard RP-01-69, “Control of External Corrosion on Submerged Metallic Piping Systems,” may be used to comply with 135.3(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
(4)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The piping construction and corrosion protection are determined by the department to be designed to prevent the release or threatened release of any stored regulated substance in a manner that is no less protective of human health and the environment than the requirements in 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1) to (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
Spill and overfill prevention equipment.
}
\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
Except as provided in subparagraph (2), to prevent spilling and overfilling associated with product transfer to the UST system, owners and operators must use the following spill and overfill prevention equipment:
}
\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
Spill prevention equipment that will prevent release of product to the environment when the transfer hose is detached from the fill pipe (for example, a spill catchment basin); 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
Overfill prevention equipment that will:
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Automatically shut off flow into the tank when the tank is no more than 95 percent full; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Alert the transfer operator when the tank is no more than 90 percent full by restricting the flow into the tank or triggering a high-level alarm; or
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Restrict flow 30 minutes prior to overfilling, alert the operator with a high-level alarm one minute before overfilling, or automatically shut off the flow into the tank so that none of the fittings located on top of the tank are exposed to product due to overfilling.
}
\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
Owners and operators are not required to use the spill and overfill prevention equipment specified in subparagraph (1) if:
}
\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
Alternative equipment is used that is determined by the department to be no less protective of human health and the environment than the equipment specified in subparagraph (1)“1” or “2” of this paragraph; 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
The UST system is filled by transfers of no more than 25 gallons at one time.
}
\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
Installation.
}
{\plain\f4\fs21\cf2\ulc2
All tanks and piping must be properly installed in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory and in accordance with the manufacturer’s instructions.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
Tank and piping system installation practices and procedures described in the following codes may be used to comply with the requirements of 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
: American Petroleum Institute Publication 1615, “Installation of Underground Petroleum Storage System”; Petroleum Equipment Institute Publication RP100, “Recommended Practices for Installation of Underground Liquid Storage Systems”; or American National Standards Institute Standard 831.3, “Petroleum Refinery Piping,” and American National Standards Institute Standard 831.4, “Liquid Petroleum Transportation Piping System.”
}
\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
Certification of installation.
}
{\plain\f4\fs21\cf2\ulc2
All owners and operators must ensure that one or more of the following methods of certification, testing, or inspection is used to demonstrate compliance with paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
of this subrule by providing a certification of compliance on the UST notification form in accordance with 135.3(3).
}
\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 installer has been certified by the tank and piping manufacturers; 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
The installer has been certified or licensed by the department as provided in 567—Chapter 134, Part C; or
}
\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 installation has been inspected and certified by a registered professional engineer with education and experience in UST system installation; 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
The installation has been inspected and approved by an inspector certified or licensed by the Iowa comprehensive petroleum underground storage tank fund board; 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
All work listed in the manufacturer’s installation checklists has been completed; 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
The owner and operator have complied with another method for ensuring compliance with paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
that is determined by the department to be no less protective of human health and the environment.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Upgrading of existing UST 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
Alternatives allowed.
}
{\plain\f4\fs21\cf2\ulc2
Not later than December 22, 1998, all existing UST systems must comply with one of 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
New UST system performance standards under 135.3(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 upgrading requirements in paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
through
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
below; or
}
\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
Closure requirements under rule 567—135.15(455B), including applicable requirements for corrective action under rules 567—135.7(455B) to 567—135.12(455B).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Replacement or upgrade of a tank system on a petroleum contaminated site classified as a high or low risk in accordance with subrule 135.12(455B) shall be a double wall tank or a tank equipped with a secondary containment system with monitoring of the space between the primary and secondary containment structures in accordance with 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
or other approved tank system or methodology approved by the Iowa comprehensive petroleum underground storage tank fund board.
}
\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
Tank upgrading requirements.
}
{\plain\f4\fs21\cf2\ulc2
Steel tanks must be upgraded to meet one of the following requirements in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory:
}
\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
Interior lining.
}
{\plain\f4\fs21\cf2\ulc2
A tank may be upgraded by internal lining if:
}
\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 lining is installed in accordance with the requirements of 135.4(4), 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
Within ten years after lining, and every five years thereafter, the lined tank is internally inspected and found to be structurally sound with the lining still performing in accordance with original design specifications.
}
\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
Cathodic protection.
}
{\plain\f4\fs21\cf2\ulc2
A tank may be upgraded by cathodic protection if the cathodic protection system meets the requirements of 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2)“2,” “3,” and “4” and the integrity of the tank is ensured using one of the following methods:
}
\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 tank is internally inspected and assessed to ensure that the tank is structurally sound and free of corrosion holes prior to installing the cathodic protection 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
The tank has been installed for less than ten years and is monitored monthly for releases in accordance with 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
through
}
{\plain\f4\fs21\i\cf2\ulc2
“h”
}
{\plain\f4\fs21\cf2\ulc2
; or
}
\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 tank has been installed for less than ten years and is assessed for corrosion holes by conducting two tightness tests that meet the requirements of 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
The first tightness test must be conducted prior to installing the cathodic protection system. The second tightness test must be conducted between three and six months following the first operation of the cathodic protection system; 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
The tank is assessed for corrosion holes by a method that is determined by the department to prevent releases in a manner that is no less protective of human health and the environment than 135.3(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2)“1” to “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\i\cf2\ulc2
Internal lining combined with cathodic protection.
}
{\plain\f4\fs21\cf2\ulc2
A tank may be upgraded by both internal lining and cathodic protection if:
}
\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 lining is installed in accordance with the requirements of 135.4(4); 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
The cathodic protection system meets the requirements of 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2)“2,” “3,” and “4.”
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The following codes and standards may be used to comply with subrule 135.3(2): American Petroleum Institute Publication 1631, “Recommended Practice for the Interior Lining of Existing Steel Underground Storage Tanks”; National Leak Prevention Association Standard 631, “Spill Prevention, Minimum 10-Year Life Extension of Existing Steel Underground Tanks by Lining Without the Addition of Cathodic Protection”; National Association of Corrosion Engineers Standard RP-02-85, “Control of External Corrosion on Metallic Buried, Partially Buried, or Submerged Liquid Storage Systems”; and American Petroleum Institute Publication 1632, “Cathodic Protection of Underground Petroleum Storage Tanks and Piping Systems.”
}
\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
Piping upgrading requirements.
}
{\plain\f4\fs21\cf2\ulc2
Metal piping that routinely contains regulated substances and is in contact with the ground must be cathodically protected in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory and must meet the requirements of 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2)“2,” “3,” and “4.”
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The codes and standards listed in the note following 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(2) may be used to comply with this 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
Spill and overfill prevention equipment.
}
{\plain\f4\fs21\cf2\ulc2
To prevent spilling and overfilling associated with product transfer to the UST system, all existing UST systems must comply with new UST system spill and overfill prevention equipment requirements specified in 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Notification 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
Except as provided in 135.3(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
the owner of an underground storage tank existing on or before July 1, 1985, shall complete and submit to the department a copy of the notification form provided by the department by May 1, 1986.
}
\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 owner of an underground storage tank taken out of operation between January 1, 1974, and July 1, 1985, shall complete and submit to the department a copy of the notification form provided by the department by May 8, 1986, unless the owner knows the tank has been removed from the ground. For purposes of this subrule, “owner” means the person who owned the tank immediately before the discontinuation of the tank’s use.
}
\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
An owner or operator who brings into use an underground storage tank after July 1, 1985, shall complete and submit to the department a copy of the notification form provided by the department within 30 days of installing the tank in the ground. The owner or operator shall not allow the deposit of any regulated substance into the tank without prior approval of the department or until the tank has been issued a tank registration tag and is covered by an approved financial responsibility mechanism in accordance with 567—Chapter 136.
}
\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
All owners and operators of new UST systems must certify in the notification form compliance with 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
Installation of tanks and piping under 135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\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
Cathodic protection of steel tanks and piping under 135.3(1)
}
{\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
;
}
\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
Financial responsibility under 567—Chapter 136, Iowa Administrative Code;
}
\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
Release detection under 135.5(2) and 135.5(3).
}
\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
All owners and operators of new UST systems must ensure that the installer certifies in the notification form that the methods used to install the tanks and piping comply with the requirements in 135.3(1)
}
{\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\cf2\ulc2
Exemption from reporting requirement. Paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
to
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
do not apply to an underground storage tank for which notice was given pursuant to Section 103, Subsection c, of the Comprehensive Environmental Response, Compensation and Liabilities Act of 1980. (42 U.S.C. Subsection 9603(c))
}
\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\cf2\ulc2
Reporting fee. The notice by the owner to the department under paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
to
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
shall be accompanied by a fee of $10 for each tank included in the notice.
}
\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\cf2\ulc2
Notification requirement for installing a tank. A person installing an underground storage tank and the owner or operator of the underground storage tank must notify the department of their intent to install the tank 30 days prior to installation. Notification shall be on a form provided by the department.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Notification requirements for a person who sells, installs, modifies or repairs a tank. A person who sells, installs, modifies, or repairs a tank used or intended to be used in Iowa shall notify, in writing, the purchaser and the owner or operator of the tank of the obligations specified in paragraphs 135.3(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“j”
}
{\plain\f4\fs21\cf2\ulc2
and the financial assurance requirements in 567—Chapter 136. The notification must include the prohibition on depositing a regulated substance into tanks which have not been registered and issued tags by the department. A standard notification form supplied by the department may be used to satisfy this requirement.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
j.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
It is unlawful for a person to deposit or accept a regulated substance in an underground storage tank that has not been registered and issued permanent or annual tank management tags in accordance with rule 567—135.3(455B). It is unlawful for a person to deposit or accept a regulated substance into an underground storage tank if the person has received notice from the department that the underground storage tank is subject to a delivery prohibition or if there is a “red tag” attached to the UST fill pipe or fill pipe cap as provided in subrule 135.3(8).
}
\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 provide written authorization to receive a regulated substance when there is a delay in receiving tank tags or at new tank installations to allow for testing the tank 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
The department may provide known depositors of regulated substances lists of underground storage tank sites that have been issued tank tags, those that have not been issued tank tags, and those subject to a delivery prohibition pursuant to subrule 135.3(8). These lists do not remove the requirement for depositors to verify that current tank tags are affixed to the fill pipe prior to delivering product. Regulated substances cannot be delivered to underground storage tanks without current tank tags or those displaying a delivery prohibition “red tag” as provided in subrule 135.3(8).
}
\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 person shall not deposit a regulated substance in an underground storage tank after receiving written or oral notice from the department that the tank is not covered by an approved form of financial responsibility in accordance with 567—Chapter 136.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
k.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If an owner or operator fails to register an underground storage tank within 30 days after installation or obtain annual renewal tags by April 1, the owner or operator shall pay an additional $250 upon registration of the tank or application for tank tag renewal. The imposition of this fee does not preclude the department from assessing an additional administrative penalty in accordance with Iowa Code section 455B.476.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Farm and residential tanks.
}
\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 owner or operator of a farm or residential tank of 1100 gallons or less capacity used for storing motor fuel for noncommercial purposes is subject to the requirements of this subrule.
}
\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
Farm and residential tanks, installed before July 1, 1987, shall be reported on a notification form by July 1, 1989, but owners or operators are not required to pay a registration fee.
}
\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
Farm and residential tanks that were installed on or after July 1, 1987, shall be in compliance with all the underground storage tank regulations.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Registration tags and annual management fee.
}
\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
Tanks of 1100 gallons or less capacity that have registered with the department will be issued a permanent registration tag.
}
\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 owner or operator of tanks over 1100-gallon capacity must submit a tank management fee of $65 per tank by January 15 of each year. The owner or operator must also submit written proof that the tanks are covered by an approved form of financial responsibility in accordance with 567—Chapter 136. Upon proper payment of the fee and acceptable proof of financial responsibility, a one-year registration tag will then be issued for the period from April 1 to March 31. The department shall refund a tank management fee if the tank is permanently closed prior to the effective date of April 1 for that 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\cf2\ulc2
The owner or operator shall affix the tag to the fill pipe of the underground storage tank where it will be readily visible.
}
\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
A person who conveys or deposits a regulated substance shall inspect the underground storage tank to determine the existence or absence of a current registration tag, a current annual tank management fee tag, or a delivery prohibition “red tag” as provided in subrule 135.3(8). If the tag is not affixed to the fill pipe or fill pipe cap or if a delivery prohibition “red tag” is displayed, the person shall not deposit the substance in the tank.
}
\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
The owner or operator must return the tank tags upon request of the department for failure to meet the requirements of rules 567—135.3(455B) to 567—135.5(455B) or the financial responsibility rules in 567—Chapter 136 after permanent tank closure or when tanks are temporarily closed for over 12 months, or when the tank system is suspected to be leaking and the responsible party fails to respond as required in subrule 135.8(1). The department will not return the tags until the tank system is in full compliance with the technical requirements of this chapter and financial responsibility requirements of 567—Chapter 136.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Petroleum underground storage tank registration amnesty program.
}
\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
A petroleum underground storage tank required to be registered under 135.3(3) and 135.3(4), which has not been registered prior to July 1, 1988, may be registered under 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 tank registration fee under 135.3(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
shall accompany the registration.
}
\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 storage tank management fee under 135.3(5) shall be paid for past years in which the tank should have been registered.
}
\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
If a tank is registered under this subrule on or prior to October 1, 1989, penalties under Iowa Code section 455B.477 shall be waived.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Exemption certificates from the environmental charge on petroleum diminution.
}
\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
An owner or operator of a petroleum underground storage tank that is exempt, deferred, or excluded from regulation under Iowa Code sections 455G.1 to 455G.17, can apply for an exemption certificate from the department to exempt a tank from the environmental charge on petroleum diminution. Exempted tanks include those listed in 135.1(3)
}
{\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
and those excluded in the definition of “underground storage tank” in 567—135.2(455B). Application for the exemption certificate shall be made on the form provided 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\cf2\ulc2
An exemption certificate is not required for those classes of tanks that the Iowa comprehensive petroleum underground storage tank fund board has waived from the exemption certificate requirement.
}
\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
The department shall revoke and require the return of the exemption certificate if the petroleum underground storage tank becomes subject to Iowa Code sections 455G.1 to 455G.17.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Delivery prohibition process.
}
\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
Identifying sites subject to delivery response prohibition action.
}
\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
Annual registration tag and tank management fee process. Owners and operators shall certify to the following on a form prepared by the department when applying for annual tank tags pursuant to subrule 135.3(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
Installation and performance of an approved UST and piping release detection method as provided in rule 567—135.5(455B), including an annual line tightness test and a line leak detector test if applicable.
}
\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
Installation of an approved overfill and spill protection system as provided in paragraph 135.3(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
3.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Installation of an approved corrosion protection system as provided in paragraphs 135.3(1)
}
{\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
4.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
If the UST system has been out of operation for more than three months, that the UST system has been temporarily closed in accordance with rule 567—135.15(455B) and a certification of temporary closure has been submitted to 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 UST system has been removed or filled in place within the last 12 months, the date of removal or filling in place and whether a closure report has been submitted as provided in rule 567—135.15(455B).
}
\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
Sites with provisional status. If the UST system has been classified as operating under provisional status as provided in paragraph 135.3(8)
}
{\plain\f4\fs21\i\cf2\ulc2
“c,”
}
{\plain\f4\fs21\cf2\ulc2
owners and operators when applying for annual tank tags pursuant to subrule 135.3(5) must certify on a form prepared by the department that the owners and operators are in compliance with an approved provisional status remedial plan as provided in paragraph 135.3(8)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\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 inspections. The department may initiate a delivery prohibition response action based on: (1) a finding resulting from a third-party compliance inspection conducted pursuant to rule 567—135.20(455B); (2) a department investigation and inspection conducted pursuant to Iowa Code section 455B.475; or (3) review of a UST system check or other documentation submitted in response to a suspected release under rule 567—135.6(455B) or in response to a confirmed release under rule 567—135.7(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
Delivery prohibition eligibility criteria.
}
{\plain\f4\fs21\cf2\ulc2
A delivery prohibition response action may be initiated upon a finding that the UST system is out of compliance with department rules and meets the eligibility criteria as specified below. Reinstatement criteria define the standards and process for owners and operators to document that they have taken corrective action sufficient to authorize resumption of fuel to the USTs. Prior to initiation of the delivery prohibition, owners and operators are afforded a minimum level of procedural due process such as prior notice and the opportunity to present facts to dispute the finding. Where notice and the opportunity to take corrective action prior to initiation of a delivery prohibition response action are required, notice by the department or by a certified compliance inspector as provided in rule 567—135.20(455B) shall be sufficient.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If the department finds that any one of the following criteria has been satisfied, the department may initiate a delivery prohibition response action following the notice procedures outlined in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
of this subrule. After initiation of the delivery prohibition response action, the department will offer the owner or operator an opportunity to establish reinstatement criteria by written documentation and, if requested, an in-person meeting.
}
\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
An approved release detection method for USTs or UST piping is not installed, such as automatic tank gauging, groundwater monitoring wells and line leak detectors, and there is no record that an approved method such as inventory control, statistical inventory reconciliation, or interstitial space monitoring has been employed during the previous three months. If the owner or operator claims to have documentation that an approved release detection method has been conducted, the owner or operator will be given two business days to produce the documentation.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criteria:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must submit results of a passing UST system precision tightness test at the 0.1 gallon-per-hour leak rate in paragraphs 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must also document installation and operation of an approved release detection system. This may include proof that a contract has been signed with a qualified statistical inventory reconciliation provider or that a qualified inventory control method has been implemented and training has been provided to onsite supervisory personnel.
}
\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 documentation of a required annual line tightness test or line leak detector test has been provided, and the owner or operator has failed to conduct the required testing within 14 days of written notice by the department or a certified compliance inspector as provided in rule 567—135.20(455B).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criteria:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must provide documentation of a passing line precision tightness test at the 0.1 gallon-per-hour leak rate in paragraph 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
and a line leak detector test as provided in paragraph 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
\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
Overfill and spill protection is not installed.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criterion:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must provide documentation that overfill and spill protection equipment has been installed.
}
\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 corrosion protection system is not installed or there is no record that an impressed current corrosion protection system has been in operation for the prior six months.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criteria:
}
{\plain\f4\fs21\cf2\ulc2
A manned entry tank integrity inspection must be completed prior to installation of a corrosion protection system, and the owner or operator must submit results of a passing UST system precision tightness test at the 0.1 gallon-per-hour leak rate in paragraphs 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
A corrosion protection analysis must be completed and approved 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
The owner or operator has failed to provide proof of financial responsibility in accordance with 567—Chapter 136.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criterion:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must submit acceptable proof of financial responsibility in accordance with 567—Chapter 136.
}
\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 qualified UST system release detection method is installed and is being used but the documentation or the absence of documentation is sufficient to question the reliability of the release detection over the past 12-month period. The owner or operator shall be notified of the deficiencies, shall be given at least two business days to produce documentation of compliance and, if necessary, shall be required to conduct a leak detection system analysis and a system tightness test within 14 days. If the owner or operator fails to produce documentation of compliance or to conduct the system analysis and the UST system precision tightness test at the 0.1 gallon-per-hour leak rate in paragraphs 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
the department may initiate a delivery prohibition response action. Notice by the department or a compliance inspector as provided in rule 567—135.20(455B) shall be sufficient to initiate a delivery prohibition response action.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criteria:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must submit documentation that the leak detection method analysis sufficiently documents compliance and explains the reasons for the accuracy and reliability concerns. If necessary, the owner or operator must submit passing results of a UST system precision tightness test at the 0.1 gallon-per-hour leak rate in paragraphs 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\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 owner or operator has failed to document completion of a three-year corrosion protection test or to repair defective corrosion protection equipment within 30 days after notice of the violation by the department or a certified compliance inspector as provided in rule 567—135.20(455B).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criterion:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must submit documentation of a three-year corrosion protection test as provided in rule 567—135.3(455B).
}
\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
The owner or operator has failed to complete a compliance inspection required by rule 567—135.20(455B) within 60 days after written notice of the violation by the department.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criterion:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must submit a compliance inspection report as provided in rule 567—135.20(455B).
}
\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
The owner or operator has failed to take necessary abatement action in response to a confirmed release as provided in subrules 135.7(2) and 135.7(3).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criterion:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must document compliance with the abatement provisions in subrules 135.7(2) and 135.7(3).
}
\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
The owner or operator has failed to undertake and document release investigation and confirmation steps within seven days in response to a suspected release as provided in paragraph 135.6(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Reinstatement Criterion:
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must document release confirmation and system check as provided in paragraph 135.6(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
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Provisional status.
}
{\plain\f4\fs21\cf2\ulc2
The department may classify a UST system as operating under a provisional status when the department documents a pattern of UST operation and maintenance violations under rules 567—135.3(455B) through 567—135.5(455B) and suspected release and confirmed release response actions under rules 567—135.6(455B) and 567—135.7(455B). The department shall provide the owner or operator with a notice specifying the basis for the proposed classification and a proposed remedial action plan. The objective of the remedial action plan is to provide the owner and operator an opportunity to undertake certain remedial actions sufficient to establish a reasonable likelihood that future regulatory compliance will be achieved.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
The remedial action plan may include but is not limited to provisions for owner/operator training, development of a facility-specific compliance manual, more frequent third-party compliance inspections than otherwise required under rule 567—135.20(455B), monthly reporting, and retention of a third-party compliance manager/consultant. If the owner or operator and the department cannot reach agreement on a remedial action plan, the department may initiate enforcement action by issuance of an administrative order pursuant to 567—Chapter 10. This provision does not grant the owner or operator an entitlement to this procedure, and the department reserves all discretion to undertake an enforcement action and assess penalties as provided in Iowa Code sections 455B.476 and 455B.477.
}
\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
Administrative orders.
}
{\plain\f4\fs21\cf2\ulc2
The department may impose a delivery prohibition as a remedy for violations of the operation and maintenance provisions in rules 567—135.3(455B) through 567—135.5(455B) and the suspected and confirmed release response actions in rules 567—135.6(455B) and 567—135.7(455B). This remedy may be in addition to the assessment of penalties as provided in Iowa Code section 455B.476 and other appropriate injunctive relief necessary to correct violations.
}
\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
Due process prior to initiation of a delivery prohibition response action.
}
\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
Prior to imposing a delivery prohibition response action under paragraph 135.3(8)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
above, the department will provide notice to the owner or operator or, if notice to the owner or operator cannot be confirmed, to a person in charge at the UST facility of the basis for the finding and the intent to initiate a delivery prohibition response action. Notice may be by verbal contact, by facsimile, or by regular or certified mail to the UST facility address or the owner’s or operator’s last-known address. The owner and operator will be given a minimum of one business day to provide documentation that the finding is inaccurate or that reinstatement criteria in subparagraphs 135.3(8)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1) through (5) have been satisfied. Additional days and the opportunity for a telephone or in-person conference may be provided the owner and operator to contest the factual basis for a finding under subparagraphs 135.3(8)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(6) through (10). Additional procedural due process may be afforded the owner and operator on a case-by-case basis sufficient to satisfy Constitutional due process standards.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If insufficient information is submitted to change the finding, the department will notify the owner or operator and a person in charge at the UST facility of the final decision to impose the delivery prohibition response action.
}
\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
Provisional status. Upon a finding that an owner or operator under provisional status has failed to comply with the terms of a remedial action plan as provided above, the department may initiate a delivery prohibition response action by giving actual notice to the owner or operator of the basis for the finding of noncompliance and the department’s intent to initiate a delivery prohibition response action. The delivery prohibition response action shall not be imposed without providing the owner or operator the opportunity for an evidentiary hearing consistent with the provisions for suspension and revocation of licenses under 567—Chapter 7.
}
\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
Delivery prohibition procedure.
}
{\plain\f4\fs21\cf2\ulc2
Upon oral or written notice that the delivery prohibition response action has been imposed, the owner or operator and any person in charge of the UST facility shall be notified that they are not authorized to receive any further delivery of regulated substances until conditions for reinstatement of eligibility are satisfied. Owners and operators are required to immediately remove and return to the department the current annual tank management fee tags or the tank registration tags if there are no tank management fee tags. Owners and operators are required to provide the department with names and contact information for all persons who convey or deposit regulated substances to the USTs. The department will attempt to notify known persons who convey or deposit regulated substances to the USTs that they are not authorized to deliver to the USTs until further notice by the department as provided in paragraph 135.3(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“j”
}
{\plain\f4\fs21\cf2\ulc2
and subrule 135.3(5).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If the tank tags are not returned within three business days, the department shall visit the site, remove the tags, and affix a “red tag” to the fill pipes or fill pipe caps of all affected USTs. It is unlawful for any person to deposit or accept a regulated substance into a UST that has a “red tag” affixed to the fill pipe or fill pipe cap. The department may allow the owner and operator to dispense and sell the remainder of existing fuel unless the department determines there is an immediate risk of a release or other risk to human health, safety or the environment. The department shall confirm in writing the basis for the delivery prohibition response action, contacts made prior to the action, and steps the owner or operator must take to reinstate fuel delivery.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.3(9)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Secondary containment requirements for new and replacement UST system installations.
}
{\plain\f4\fs21\cf2\ulc2
All new and replacement underground storage tank systems and appurtenances used for the storage and dispensing of petroleum products installed after November 28, 2007, shall have secondary containment in accordance with this subrule. The secondary containment provision includes the installation of turbine sumps, transition or intermediate sumps and under-dispenser containment (UDC).
}
\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 secondary containment may be manufactured as an integral part of the primary containment or constructed as a separate containment 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\cf2\ulc2
Installation of any new or replacement turbine pumps involving the direct connection to the tank shall have secondary containment.
}
\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
Any replacement of ten feet or more of piping shall have secondary containment.
}
\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
All piping replacements requiring secondary containment shall be constructed with transition or intermediate containment sumps.
}
\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
The design and construction of all primary and secondary containment shall meet the performance standards in subrule 135.3(1) and paragraphs 135.5(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“g.”
}
{\plain\f4\fs21\cf2\ulc2
At a minimum, the secondary containment must:
}
\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
Contain regulated substances released from the tank system until detected and removed;
}
\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
Prevent the release of regulated substances into the environment at any time during the operational life of the underground storage tank system; 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
Be checked for evidence of a release at least every 30 days as provided in paragraph 135.5(2)
}
{\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
f.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Secondary containment with interstitial monitoring in accordance with paragraphs 135.5(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
shall become the primary method of leak detection for all new and replacement tanks and piping installed after November 28, 2007.
}
\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\cf2\ulc2
Testing and inspection. Secondary containment systems shall be liquid-tight and must be inspected and tested every two years. The sensing devices must be tested every two years.
}
\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
Inspections for secondary containment sumps (spill catchment basins, turbine sumps, transition or intermediate sumps, and under-dispenser containment) shall:
}
\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
Consist of a visual inspection by an Iowa-licensed installer or Iowa-certified inspector every two years. Sumps must be intact (no cracks or perforations) and liquid-tight, including sides and bottom.
}
\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
Sumps must be maintained and kept free of debris, liquid and ice at all times.
}
\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
Regulated substances spilled into any spill catchment basin, turbine sump, transition/intermediate sump or under-dispenser containment shall be immediately removed.
}
\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
Sensing devices used to monitor the interstitial space shall be tested at least every two years for proper function.
}
\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\cf2\ulc2
Under-dispenser containment. When installing a new motor fuel dispenser or replacing a motor fuel dispenser, a UDC shall be installed whenever:
}
\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 motor fuel dispenser is installed at a location where there previously was no dispenser (new UST system or new dispenser location at an existing UST 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
An existing motor fuel dispenser is removed and replaced with another dispenser and the equipment used to connect the dispenser to the underground storage tank system is replaced. This equipment includes flexible connectors or risers or other transitional components that are beneath the dispenser and connect the dispenser to the piping. A UDC is not required when only the emergency shutoff or shear valves or check valves are replaced.
}
\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 UDC shall also be installed beneath the motor fuel dispenser whenever ten feet or more of piping is repaired or replaced within ten feet of a motor fuel dispenser.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Exceptions from secondary containment standards. A tank owner or operator may request an exception from the secondary containment standard if the location of the UST system is greater than 1,000 feet from a community water system or potable drinking water well. A community water system includes the distribution piping.
}
\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
“Community water system (CWS)” means a public water system which has at least 15 service connections used by year-round residents or regularly serves at least 25 year-round residents. “Public water supply system” means a system for the provision to the public of water for human consumption through pipes or other constructed conveyances, if such system has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days out of the year. Such term includes: any collection, treatment, storage, and distribution facilities under control of the operator of such system and used primarily in connection with such system; and any collection or pretreatment storage facilities not under such control which are used primarily in connection with such system. Such term does not include any “special irrigation district.” A “public water supply system” is either a “community water system” or a “noncommunity water 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
“Potable drinking water well” means any hole (dug, driven, drilled, or bored) that extends into the earth until it meets groundwater and that supplies water for a noncommunity public water system or supplies water for household use (consisting of drinking, bathing, and cooking or other similar uses). Such wells may provide water to entities such as a single-family residence, a group of residences, businesses, schools, parks, campgrounds, and other permanent or seasonal communities. A “noncommunity water system” is defined in rule 567—40.2(455B) as a public water system that is not a community water system. A “noncommunity water system” is either a “transient noncommunity water system (TNC)” or a “nontransient noncommunity water system (NTNC).”
}
\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
To determine if a new or replacement underground storage tank, piping, or motor fuel dispenser system is within 1,000 feet of an existing community water system or an existing potable drinking water well, at a minimum the distance must be measured from the closest part of the new or replacement underground storage tank or piping or the motor fuel dispenser system to:
}
\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 closest part of the nearest existing community water system, including:
}
\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 location of the wellhead(s) for groundwater and the location of the intake point(s) for 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
Water lines, processing tanks, and water storage tanks; 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
Water distribution/service lines under the control of the community water system operator.
}
\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 wellhead of the nearest existing potable drinking water well.
}
\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 new or replacement underground storage tank, piping, or motor fuel dispenser that is not within 1,000 feet of an existing community water system will be installed, and a community water system that will be within 1,000 feet of the UST system is planned or a permit application has been submitted to the department under 567—Chapter 40, secondary containment and under-dispenser containment are required unless the permit is denied.
}
\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 a new or replacement underground storage tank, piping, or motor fuel dispenser that is not within 1,000 feet of an existing potable drinking water well will be installed and the owner will be installing a potable drinking water well at the new facility, or a private water well permit has been submitted pursuant to 567—Chapter 38 and pursuant to applicable county and municipal ordinances for a potable drinking water well that will be within 1,000 feet of the UST system, secondary containment and under-dispenser containment are required unless the permit is denied.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
j.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Documentation for exception from secondary containment. The following documentation must be provided by the tank owner or operator when requesting an exception from the UST system secondary containment requirement.
}
\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 statement from the manager of the local community water system that the community water system is not located or planned within 1,000 feet of the UST system location. This would include rural water 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
A map showing homes and businesses within 1,000 feet of the UST system 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
Identification of the source of water for the business at the UST system location.
}
\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 an on-foot search around businesses and homes within a 1,000-foot radius for possible potable drinking water wells. Documentation that there are no pending nonpublic water well permit applications within 1,000 feet of the UST system from any applicable municipal permitting authority, county department of health with department-delegated authority, or the department if there is not delegated permitting authority.
}
\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
Search results from the Geographic Information System (GIS) well mapping for well locations available from the Iowa Geological Survey.
}
\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
Documentation that the department’s water supply section has no pending applications for a public water supply construction permit within 1,000 feet of a proposed UST system installation or replacement or motor fuel dispenser installation or replacement.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.4
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) General operating requirements.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Spill and overfill 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\cf2\ulc2
Owners and operators must ensure that releases due to spilling or overfilling do not occur. The owner and operator must ensure that the volume available in the tank is greater than the volume of product to be transferred to the tank before the transfer is made and that the transfer operation is monitored constantly to prevent overfilling and spilling.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The transfer procedures described in National Fire Protection Association Publication 385 may be used to comply with 135.4(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
{\plain\f4\fs21\cf2\ulc2
Further guidance on spill and overfill prevention appears in American Petroleum Institute Publication 1621, “Recommended Practice for Bulk Liquid Stock Control at Retail Outlets,” and National Fire Protection Association Standard 30, “Flammable and Combustible Liquids Code.”
}
\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 owner and operator must report, investigate, and clean up any spills and overfills in accordance with 135.6(4).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Operation and maintenance of corrosion protection.
}
{\plain\f4\fs21\cf2\ulc2
All owners and operators of steel UST systems with corrosion protection must comply with the following requirements to ensure that releases due to corrosion are prevented for as long as the UST system is used to store regulated substances:
}
\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
All corrosion protection systems must be operated and maintained to continuously provide corrosion protection to the metal components of that portion of the tank and piping that routinely contain regulated substances and are in contact with the ground.
}
\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
All UST systems equipped with cathodic protection systems must be inspected for proper operation by a qualified cathodic protection tester in accordance with 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\i\cf2\ulc2
Frequency.
}
{\plain\f4\fs21\cf2\ulc2
All cathodic protection systems must be tested within six months of installation and at least every three years thereafter or according to another reasonable time frame established by the department; 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\i\cf2\ulc2
Inspection criteria.
}
{\plain\f4\fs21\cf2\ulc2
The criteria that are used to determine that cathodic protection is adequate as required by this subrule must be in accordance with a code of practice developed by a nationally recognized association.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
National Association of Corrosion Engineers Standard RP-02-85, “Control of External Corrosion on Metallic Buried, Partially Buried, or Submerged Liquid Storage Systems,” may be used to comply with 135.4(2)
}
{\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\i\cf2\ulc2
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
UST systems with impressed current cathodic protection systems must also be inspected every 60 days to ensure the equipment is running properly.
}
\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
For UST systems using cathodic protection, records of the operation of the cathodic protection must be maintained (in accordance with 135.4(5)) to demonstrate compliance with the performance standards in this subrule. These records must provide 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 results of the last three inspections required in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
; 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
The results of testing from the last two inspections required in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Compatibility.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators must use a UST system made of or lined with materials that are compatible with the substance stored in the UST system.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators storing alcohol blends may use the following codes to comply with the requirements of subrule 135.4(3): American Petroleum Institute Publication 1626, “Storing and Handling Ethanol and Gasoline-Ethanol Blends at Distribution Terminals and Service Stations”; and American Petroleum Institute Publication 1627, “Storage and Handling of Gasoline-Methanol/Cosolvent Blends at Distribution Terminals and Service Stations.”
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Repairs allowed.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators of UST systems must ensure that repairs will prevent releases due to structural failure or corrosion as long as the UST system is used to store regulated substances. The repairs must meet 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\cf2\ulc2
Repairs to UST systems must be properly conducted in accordance with a code of practice developed by a nationally recognized association or an independent testing laboratory.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The following codes and standards may be used to comply with 135.4(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
: National Fire Protection Association Standard 30, “Flammable and Combustible Liquids Code”; American Petroleum Institute Publication 2200, “Repairing Crude Oil, Liquified Petroleum Gas, and Product Pipelines”; American Petroleum Institute Publication 1631, “Recommended Practice for the Interior Lining of Existing Steel Underground Storage Tanks”; and National Leak Prevention Association Standard 631, “Spill Prevention, Minimum 10 Year Life Extension of Existing Steel Underground Tanks by Lining Without the Addition of Cathodic Protection.”
}
\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
Repairs to fiberglass-reinforced plastic tanks may be made by the manufacturer’s authorized representatives or in accordance with a code of practice developed by a nationally recognized association or an independent testing laboratory.
}
\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
Metal pipe sections and fittings that have released product as a result of corrosion or other damage must be replaced. Fiberglass pipes and fittings may be repaired in accordance with the manufacturer’s specifications.
}
\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
Repaired tanks and piping must be tightness tested in accordance with 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
within 30 days following the date of the completion of the repair except as provided in subparagraphs (1) to (3) 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
The repaired tank is internally inspected in accordance with a code of practice developed by a nationally recognized association or an independent testing laboratory; 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
The repaired portion of the UST system is monitored monthly for releases in accordance with a method specified in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
through
}
{\plain\f4\fs21\i\cf2\ulc2
“h”
}
{\plain\f4\fs21\cf2\ulc2
; or
}
\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
Another test method is used that is determined by the department to be no less protective of human health and the environment than those listed above.
}
\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
Within six months following the repair of any cathodically protected UST system, the cathodic protection system must be tested in accordance with 135.4(2)
}
{\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
to ensure that it is operating properly.
}
\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
UST system owners and operators must maintain records of each repair for the remaining operating life of the UST system that demonstrate compliance with the requirements of this subrule.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting and record keeping.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators of UST systems must cooperate fully with inspections, monitoring and testing conducted by the department, as well as requests for document submission, testing, and monitoring by the owner or operator pursuant to Section 9005 of Subtitle I of the Resource Conservation and Recovery Act, as amended.
}
\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
Owners and operators must submit the following information 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
Notification for all UST systems (135.3(3)), which includes certification of installation for new UST systems (135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\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
Reports of all releases including suspected releases (135.6(1)), spills and overfills (135.6(4)), and confirmed releases (135.7(2));
}
\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
Corrective actions planned or taken including initial abatement measures (135.7(3)), initial site characterization (567—135.9(455B)), free product removal (135.7(5)), investigation of soil and groundwater cleanup and corrective action plan (567—135.8(455B) to 567—135.12(455B)); 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
A notification before permanent closure or change-in-service (135.15(2)).
}
\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
Record keeping.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators must maintain the following information:
}
\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 corrosion expert’s analysis of site corrosion potential if corrosion protection equipment is not used (135.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(4); (135.3(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
Documentation of operation of corrosion protection equipment (135.4(2));
}
\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
Documentation of UST system repairs (135.4(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\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
Recent compliance with release detection requirements (135.5(6)); 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
Results of the site investigation conducted at permanent closure (135.15(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
Availability and maintenance of records.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators must keep the records required either:
}
\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 the UST site and immediately available for inspection by the department; 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
At a readily available alternative site and be provided for inspection to the department upon request.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
In the case of permanent closure records required under 135.15(5), owners and operators are also provided with the additional alternative of mailing closure records to the department if they cannot be kept at the site or an alternative site as indicated above.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Training required for UST operators.
}
\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
An owner or operator shall designate Class A, Class B, and Class C operators for each underground storage tank system or facility that has underground storage tanks regulated by the department, except for unstaffed facilities, which may designate only Class A and Class B operators.
}
\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
A facility may not operate after December 31, 2011, unless operators have been designated and trained as required in this rule, or unless otherwise agreed upon by the department based on a finding of good cause for failure to meet this requirement and a plan for designation and training at the earliest practicable date.
}
\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
Trained operators must be readily available to respond to suspected or confirmed releases, equipment shut-offs or failures, and other unusual operating conditions.
}
\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
A Class A or Class B operator should be immediately available for telephone consultation with the Class C operator when a facility is in operation. Class A or Class B operators should be able to be on site at the storage tank facility within four hours.
}
\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
For staffed facilities, a Class C operator must be on site whenever the UST facility is in operation.
}
\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
For unstaffed facilities, a Class B operator must be geographically located such that the person can be on site within two hours of being contacted by the public, the owner or operator of the facility, or the department. Emergency contact information and emergency procedures must be prominently displayed at the site. An unstaffed facility shall have an emergency shutoff device as provided in 135.5(1) and a sign posted in a conspicuous place that includes the name and telephone number of the facility owner, an emergency response telephone number to contact the Class B operator, and information on local emergency responders.
}
\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\cf2\ulc2
Designated operators must successfully complete required training under subrule 135.4(9) no later than December 31, 2011.
}
\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\cf2\ulc2
A person may be designated for more than one class of operator.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
When a facility is found to be out of compliance, the department may require the owner and operator to retrain the designated UST system Class A, B, or C operator under a plan approved by the department. The retraining must occur within 60 days from departmental notice for Class A and Class B operators and within 15 days for Class C operators.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
UST operator responsibilities.
}
\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
Class A operator.
}
\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
Class A operators have the primary responsibility to operate and maintain the underground storage tank system and facility. The Class A operator’s responsibilities include managing resources and personnel to achieve and maintain compliance with regulatory requirements under this chapter in the following ways:
}
\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
Class A operators assist the owner by ensuring that underground storage tank systems are properly installed and expeditiously repaired and inspected; financial responsibility is maintained; and records of system installation, modification, inspection and repair are retained and made available to the department and licensed compliance inspectors. The Class A operator shall properly respond to and report emergencies caused by releases or spills from UST systems, ensure that the annual tank management fees are paid, and ensure that Class B and Class C operators are properly trained.
}
\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
Class A operators shall be familiar with training requirements for each class of operator and may provide required training for Class C operators.
}
\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
Class A operators shall provide site drawings that indicate equipment locations for Class B and Class C operators.
}
\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
Department-licensed installers, installation inspectors, and compliance inspectors may perform Class A operator duties when employed or contracted by the tank owner to perform these functions so long as they are properly trained and designated as Class A operators pursuant to subrules 135.4(9) through 135.4(11). Class A operators who are also licensed compliance inspectors under 567—Chapter 134, Part C, may perform in-house facility inspections of the UST system, but shall not perform department-mandated compliance inspections pursuant to rule 567—135.20(455B). Compliance inspections of a UST facility required by rule 567—135.20(455B) must be completed by a third-party compliance inspector licensed under 567—Chapter 134, Part 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
When there is a change in ownership or operator status, the new owner or operator is responsible for designating a Class A operator prior to bringing the UST system into operation. The Class A operator is responsible for ensuring that all necessary documentation for change of ownership is completed and submitted to the department and that all compliance requirements of this chapter are satisfied prior to bringing the UST system into operation. The compliance requirements may be provided to the owner or operator using the department’s checklist.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If the UST system was temporarily closed, the designated Class A operator must ensure the department’s checklist for returning a UST into service is followed, all compliance requirements of this chapter have been met, and the necessary documentation is submitted to 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
When there is a change in UST ownership, property ownership or operator status, the designated Class A operator for the current owner and operator is responsible for notifying the department when the change is final and, if possible, prior to the new owner or operator taking possession of the site.
}
\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
Class B operator.
}
\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 Class B operator implements applicable underground storage tank regulatory requirements and standards in the field or at the tank facility. A Class B operator oversees and implements the day-to-day aspects of operation, maintenance, and record keeping for the underground storage tanks at facilities within four hours of travel time from the Class B operator’s principal place of business. A Class B operator’s responsibilities include, but are not limited to:
}
\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
Performing mandated system tests at required intervals and making sure spill prevention, overfill control equipment, and corrosion protection equipment are properly functioning.
}
\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
Assisting the owner by ensuring that release detection equipment is operational, release detection monitoring and tests are performed at the proper intervals, and release detection records are retained and made available to the department and compliance inspectors.
}
\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
Making sure record-keeping and reporting requirements are met and that relevant equipment manufacturers’ or third-party performance standards are available and followed.
}
\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
Properly responding to, investigating, and reporting emergencies caused by releases or spills from USTs.
}
\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
Performing UST release detection in accordance with rule 567—135.5(455B).
}
\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
Monitoring the status of UST release detection.
}
\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
Meeting spill prevention, overfill prevention, and corrosion protection requirements.
}
\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
Reporting suspected and confirmed releases and taking release prevention and response actions according to the requirements of rule 567—135.6(455B).
}
\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
Training and documenting Class C operators to make sure at least one Class C operator is on site during operating hours. Class B operators shall be familiar with Class C operator responsibilities and may provide required training for Class C operators.
}
\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
Department-licensed installers, installation inspectors, and compliance inspectors may perform Class B operator duties when employed or contracted by the tank owner to perform these functions so long as they are properly trained and designated as Class B operators under subrules 135.4(9) through 135.4(11). Class B operators who are also licensed compliance inspectors under 567—Chapter 134, Part C, may perform in-house facility inspections of the UST system, but cannot perform department-mandated compliance inspections pursuant to rule 567—135.20(455B). Compliance inspections of a UST facility pursuant to rule 567—135.20(455B) must be completed by a third-party compliance inspector licensed under 567—Chapter 134, Part 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
The owner or operator of a site undergoing a change in ownership shall designate a Class B operator prior to bringing the UST system into operation. The Class B operator must conduct an inspection using the department’s inspection checklist and submit the completed checklist along with the change of ownership form prior to operation. If a UST system was temporarily closed, the Class B operator shall ensure that the department’s checklist for returning a UST to service is followed and that the necessary documentation is submitted to the department prior to operation of the UST 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
Class C operator.
}
{\plain\f4\fs21\cf2\ulc2
A Class C operator is an on-site employee who typically controls or monitors the dispensing or sale of regulated substances and is the first to respond to events indicating emergency conditions. A Class C operator must be present at the facility at all times during normal operating hours. A Class C operator monitors product transfer operations to ensure that spills and overfills do not occur. The Class C operator must know how to properly respond to spills, overfills and alarms when they do occur. In the event of a spill, overfill or alarm, a Class C operator shall notify the Class A and Class B operators, as well as the department and appropriate local emergency authorities as required by rule.
}
\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
Within six months after October 14, 2009, written basic operating instructions, emergency contact names and telephone numbers, and basic procedures specific to the facility shall be provided to all Class C operators and readily available on site.
}
\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
There may be more than one Class C operator at a storage tank facility, but not all employees of a facility need be Class C operators.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
UST operator training course requirements.
}
{\plain\f4\fs21\cf2\ulc2
Individuals must attend a department- approved training course covering material designated for each operator class. Individuals must attend every session of the training, take the examination, and attend examination review.
}
\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
Class A operators.
}
{\plain\f4\fs21\cf2\ulc2
To be certified as a Class A operator, the applicant must successfully complete a department-approved training course that covers underground storage tank system requirements as outlined in 567—Chapters 134 to 136. The course must also provide a general overview of the department’s UST program, purpose, groundwater protection goals, public safety and administrative requirements. The training must include, 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
Components and materials of underground storage tank 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
A general discussion of the content of PEI/RP900-08, Recommended Practices for the Inspection and Maintenance of UST Systems, and PEI/RP500, Recommended Practices for Inspection and Maintenance of Motor Fuel Dispensing Equipment.
}
\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
Spill and overfill prevention, to include the American Petroleum Institute (API) Publication RP1621, “Recommended Practice for Bulk Liquid Stock Control at Retail Outlets,” and National Fire Protection Association Standard 30, “Flammable and Combustible Liquids Code.”
}
\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
Ensuring product delivery to the correct tank by using color-symbol codes in the API Standard RP1637, “Using the API Color-Symbol System to Mark Equipment and Vehicles for Product Identification at Service Stations and Distribution Terminals.”
}
\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
Proper fuel ordering and delivery, including procedures in API RP1007, “Loading and Unloading of MC/DOT 406 Cargo Tank Motor Vehicles.”
}
\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
Release detection methods and related reporting requirements.
}
\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
Corrosion protection and inspection requirements, including the requirement to have a department-licensed cathodic protection tester.
}
\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
Discussion of the benefits of monthly or frequent inspections and content and use of inspection checklists. Training materials for operators shall include the department’s “Iowa UST Operator Inspection Checklist” or a checklist template similar to the department’s document.
}
\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
Requirement and content of third-party compliance inspections.
}
\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
How to properly respond to an emergency, including hazardous conditions.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(11)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Product and equipment compatibility, including the department’s ethanol compatibility guidance and certification.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(12)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Financial responsibility, including detailed explanation of liability, notice and claim procedures, and the six-month window to check for and report a release prior to insurance termination to maintain coverage for corrective action.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(13)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Notification of installation and storage tank registration requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(14)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Requirement to use department-licensed companies and individuals for UST installation, testing, lining, and removal.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(15)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Temporary and permanent closure procedures and requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(16)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
NESHAP vapor recovery requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(17)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Conditions under which the department may stop fuel delivery and take enforcement action.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(18)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Ensuring that annual tank management fees are paid.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(19)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Ensuring that suspected and confirmed releases are investigated and reported according to subrule 135.6(1).
}
\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
Class B operators.
}
{\plain\f4\fs21\cf2\ulc2
To be certified as a Class B operator, the individual must successfully complete a department-approved training course that provides in-depth understanding of UST system regulations applicable to this class. Training must also provide a general overview of the department’s UST program, purpose, groundwater protection goals, public safety and administrative requirements. Training shall cover the operation and maintenance requirements set forth in this chapter, including, but 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
A general discussion of the content of PEI/RP900-08, Recommended Practices for the Inspection and Maintenance of UST Systems, and PEI/RP500, Recommended Practices for Inspection and Maintenance of Motor Fuel Dispensing Equipment.
}
\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
Components and materials of underground storage tank systems.
}
\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
Spill and overfill prevention.
}
\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
Ensuring product delivery to the correct tank by using color-symbol codes in the API Standard RP1637.
}
\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
Proper fuel ordering and delivery, including procedures from API RP1007.
}
\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
Methods of release detection and related reporting requirements.
}
\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
Corrosion protection and related testing.
}
\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
Discussion of the benefits of monthly or frequent inspections and content and use of inspection checklists. Training materials for operators shall include the department’s “Iowa UST Operator Inspection Checklist” or a checklist template similar to the department’s document.
}
\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
Requirement and content of third-party compliance inspections.
}
\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
Emergency response, reporting and investigating releases.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(11)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Product and equipment compatibility, including the department’s ethanol compatibility guidance and certification.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(12)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Financial responsibility, including detailed explanation of liability, notice and claim procedures, and the six-month window to check for and report a release prior to insurance termination to maintain coverage for corrective action.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(13)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Notification of installation and storage tank registration requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(14)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Requirement to use department-licensed companies and individuals for UST installation, testing, lining, and removal.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(15)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Reporting and record-keeping requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(16)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Overview of Class C operator training requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(17)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
NESHAP vapor recovery requirements.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(18)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Conditions under which the department may stop fuel delivery and take enforcement action.
}
\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
Class C operators.
}
{\plain\f4\fs21\cf2\ulc2
To be certified as a Class C operator, an individual must complete a department-approved training course that covers, at a minimum, a general overview of the department’s UST program and purpose; groundwater protection goals; public safety and administrative requirements; and action to be taken in response to an emergency condition due to a spill or release from a UST system. Training must include written procedures for the Class C operator, including notification instructions necessary in the event of emergency conditions. The written instructions and procedures must be readily available on site. A Class A or Class B operator may provide Class C training.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(9)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Examination and review requirement.
}
{\plain\f4\fs21\cf2\ulc2
Class A and Class B operators must complete the department-approved training course and take an examination to verify their understanding and knowledge. The examination may include both written and practical (hands-on) testing activities. The trainer must follow up the examination with a review of missed test questions with the class or individual to ensure understanding of problem areas. Upon successful completion of the training course, the applicant will receive a certificate verifying the applicant’s status as a Class A, Class B, or Class C operator.
}
\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
Reciprocity.
}
{\plain\f4\fs21\cf2\ulc2
The department may waive the training course for operators upon a showing of successful completion of a training course and examination approved by another state or regulatory agency that the department determines are substantially equivalent to the UST requirements contained in this chapter.
}
\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
Transferability to another UST site.
}
{\plain\f4\fs21\cf2\ulc2
Class A and Class B operators may transfer to other UST facilities in Iowa provided the operator is properly designated by the facility owner as a Class A or Class B operator according to 567—subrule 134.4(13). Class A and Class B operators transferring from other states shall seek prior approval of training qualifications, unless the department has preapproved the out-of-state program as substantially equivalent to the requirements of this chapter.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(10)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Timing of UST operator training.
}
\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
An owner shall ensure that Class A, Class B, and Class C operators are trained as soon as practicable after October 14, 2009, contingent upon availability of approved training providers, but not later than December 31, 2011, except as provided in paragraph 135.4(6)
}
{\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\cf2\ulc2
When a Class A or Class B operator is replaced, a new operator must be trained prior to assuming duties for that class of operator.
}
\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
Class C operators must be trained before assuming the duties of a Class C operator. Within six months after October 14, 2009, written basic operating instructions, emergency contact names and telephone numbers, and basic procedures specific to the facility shall be provided to all Class C operators and readily available on site. A Class C operator may be briefed on these procedures concurrent with annual safety training required under Occupational Safety and Health Administration regulations, 29 CFR, Part 1910.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.4(11)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Documentation of operator training.
}
\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 owner of an underground storage tank facility shall maintain a list of designated operators. The list shall be made available to the department in accordance with subrule 135.4(5). The list shall represent the current Class A, Class B and Class C operators for the UST facility and 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
The name of each operator and the operator’s class(es); contact information for Class A and Class B operators; the date each operator successfully completed initial training and refresher training, if any; the name of the company providing the training; and the name of the trainer.
}
\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 all classes of operators, the site(s) for which an operator is responsible if more than one site.
}
\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
A copy of the certificates of training for Class A and Class B operators shall be on file and readily available for inspection in accordance with subrule 135.4(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\cf2\ulc2
A copy of the certificates of training for Class B and Class C operators shall be available at each facility for which the operator is responsible.
}
\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
Class A and Class B operator contact information, including names and telephone numbers and any emergency information, shall be conspicuously posted at unstaffed facilities near the dispensers and the station building.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 8124B
}
{\plain\f4\fs16\cf2
, IAB 9/9/09, effective 10/14/09]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.5
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Release detection.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.5(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General requirements for all UST 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\cf2\ulc2
Owners and operators of new and existing UST systems must provide a method, or combination of methods, of release detection that:
}
\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
Can detect a release from any portion of the tank and the connected underground piping that routinely contains product;
}
\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
Is installed, calibrated, operated, and maintained in accordance with the manufacturer’s instructions, including routine maintenance and service checks for operability or running condition; 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
Meets the performance requirements in 135.5(4) or 135.5(5), with any performance claims and their manner of determination described in writing by the equipment manufacturer or installer. In addition, methods conducted in accordance with 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“b,” “c,”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
after December 22, 1990, and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
after September 22, 1991, except for methods permanently installed prior to those dates, must be capable of detecting the leak rate or quantity specified for that method with a probability of detection of 0.95 and a probability of false alarm of 0.05.
}
\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
When a release detection method operated in accordance with the performance standards in 135.5(4) and 135.5(5) indicates a release may have occurred, owners and operators must notify the department in accordance with rule 567—135.6(455B).
}
\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
Owners and operators of all UST systems must comply with the release detection requirements of this rule by December 22 of the year listed in the following table:
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\cellx7201
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Scheduled for Phase-in of Release Detection
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Year System Was Installed
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Year When Release Detection is Required (by December 22 of the Year
}
\par
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Indicated)
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2477
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3658
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4839
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6020
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\ul\cf2\ulc2
1989
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\ul\cf2\ulc2
1990
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\ul\cf2\ulc2
1991
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\ul\cf2\ulc2
1992
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\ul\cf2\ulc2
1993
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx2477
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx3658
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4839
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6020
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Before 1965 or
}
\par
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Date Unknown
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
RD
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
P
}
\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\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2477
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3658
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4839
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6020
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1965-1969
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
P/RD
}
\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\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2477
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3658
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4839
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6020
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1970-1974
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
P
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
RD
}
\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
\cellx1296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2477
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3658
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4839
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6020
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1975-1979
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
P
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
RD
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2477
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3658
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4839
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx6020
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1980-1988
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
P
}
\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
RD
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx1296
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx4839
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx6020
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
New Tanks
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Immediately upon installation
}
\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
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
P = Must begin release detection for all pressurized piping in accordance with 135.5(2)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
{\plain\f4\fs18\cf2\ulc2
(1).
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
RD = Must begin release detection for tanks and suction piping in accordance with 135.5(2)
}
{\plain\f4\fs18\i\cf2\ulc2
“a,”
}
\par
\pard\intbl\li80\ri80\fi461\sl200
{\plain\f4\fs18\cf2\ulc2
135.5(2)
}
{\plain\f4\fs18\i\cf2\ulc2
“b”
}
{\plain\f4\fs18\cf2\ulc2
(2), and 135.5(3).
}
\cell
\row
\pard\sb180\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
Any existing UST system that cannot apply a method of release detection that complies with the requirements of this rule must complete the closure procedures in rule 567—135.15(455B) by the date on which release detection is required for that UST system under paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\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\fs16\b\cf2\ulc2
[See Objection at end of chapter]
}
{\plain\f4\fs21\cf2\ulc2
UST systems using pressurized piping that operate with no on-site personnel shall comply with 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
Whenever an in-line leak detector is installed or replaced, it must be capable of shutting down the submersible pump.
}
\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
Existing sites with an in-line leak detection system in place on February 17, 2010, may continue operation provided that, by January 1, 2013, either of the following UST system modifications is made:
}
\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
An in-line leak detector capable of shutting off the submersible pump is installed; 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
The UST system is equipped with a device that immediately alerts the Class B operator or designee when a leak is detected. The Class B operator or designee shall be on site within two hours of notification and shut down the submersible pump. The UST system cannot be returned to service until the problem that caused the release response is resolved.
}
\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 temporary extension of time to meet these upgrade requirements may be granted if it can be shown that there is no reasonable alternative fueling source in the vicinity or fueling is needed to satisfy emergency or public safety considerations. The request for temporary extension must include documentation and a plan for upgrading prior to January 1, 2013.
}
\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
At sites with secondary containment sumps and continuous automatic sump sensors for leak detection monitoring, the continuous automatic sump sensors must shut off product flow when a leak is detected. If it is determined that a malfunction of the leak detection system is the cause of the shutdown, the UST system must be immediately repaired but may continue to be operated while the repairs are made.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.5(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Requirements for petroleum UST systems.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators of petroleum UST systems must provide release detection for tanks and piping 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
Tanks.
}
{\plain\f4\fs21\cf2\ulc2
Tanks must be monitored at least every 30 days for releases using one of the methods listed in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
to
}
{\plain\f4\fs21\i\cf2\ulc2
“h”
}
{\plain\f4\fs21\cf2\ulc2
except that:
}
\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
UST systems that meet the performance standards in 135.3(1) or 135.3(2), and the monthly inventory control requirements in 135.5(4)
}
{\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
” may use tank tightness testing (conducted in accordance with 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
) at least every five years until December 22, 1998, or until ten years after the tank is installed or upgraded under 135.3(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
whichever is later;
}
\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
UST systems that do not meet the performance standards in 135.3(1) or 135.3(2) may use monthly inventory controls (conducted in accordance with 135.5(4)
}
{\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 annual tank tightness testing (conducted in accordance with 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
) until December 22, 1998, when the tank must be upgraded under 135.3(2) or permanently closed under 135.15(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
Tanks with capacity of 550 gallons or less may use weekly tank gauging (conducted in accordance with 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\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
Piping.
}
{\plain\f4\fs21\cf2\ulc2
Underground piping that routinely contains regulated substances must be monitored for releases in a manner that meets one of 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\i\cf2\ulc2
Pressurized piping.
}
{\plain\f4\fs21\cf2\ulc2
Underground piping that conveys regulated substances under pressure must:
}
\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
Be equipped with an automatic line leak detector conducted in accordance with 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
; 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
Have an annual line tightness test conducted in accordance with 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
or have monthly monitoring conducted in accordance with 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\qj\sl250\tx340\tx680\tx80
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Suction piping.
}
{\plain\f4\fs21\cf2\ulc2
Underground piping that conveys regulated substances under suction must either have a line tightness test conducted at least every three years and in accordance with 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b,”
}
{\plain\f4\fs21\cf2\ulc2
or use a monthly monitoring method conducted in accordance with 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
No release detection is required for suction piping that is designed and constructed to meet the following standards:
}
\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 below-grade piping operates at less than atmospheric pressure;
}
\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 below-grade piping is sloped so that the contents of the pipe will drain back into the storage tank if the suction is released;
}
\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
Only one check valve is included in each suction line;
}
\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 check valve is located directly below and as close as practical to the suction pump; 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
A method is provided that allows compliance with “2” through “4” to be readily determined.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.5(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Requirements for hazardous substance UST systems.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators of hazardous substance UST systems must provide release detection that meets 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\cf2\ulc2
Release detection at existing UST systems must meet the requirements for petroleum UST systems in 135.5(2). By December 22, 1998, all existing hazardous substance UST systems must meet the release detection requirements for new systems in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
below.
}
\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
Release detection at new hazardous substance UST systems 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
Secondary containment systems must be designed, constructed and installed to:
}
\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
Contain regulated substances released from the tank system until they are detected and removed;
}
\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
Prevent the release of regulated substances to the environment at any time during the operational life of the UST system; 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
Be checked for evidence of a release at least every 30 days.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The provisions of 40 CFR 265.193, Containment and Detection of Releases, as of September 13, 1988, may be used to comply with these 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
Double-walled tanks must be designed, constructed, and installed to:
}
\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
Contain a release from any portion of the inner tank within the outer wall; 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
Detect the failure of the inner wall.
}
\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
External liners (including vaults) must be designed, constructed, and installed to:
}
\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
Contain 100 percent of the capacity of the largest tank within its boundary;
}
\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
Prevent the interference of precipitation or groundwater intrusion with the ability to contain or detect a release of regulated substances; 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
Surround the tank completely (i.e., it is capable of preventing lateral as well as vertical migration of regulated substances).
}
\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
Underground piping must be equipped with secondary containment that satisfies the requirements of 135.5(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
(1) above (e.g., trench liners, jacketing of double-walled pipe). In addition, underground piping that conveys regulated substances under pressure must be equipped with an automatic line leak detector in accordance with 135.5(5)
}
{\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
(5)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Other methods of release detection may be used if owners and operators:
}
\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
Demonstrate to the department that an alternate method can detect a release of the stored substance as effectively as any of the methods allowed in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
to
}
{\plain\f4\fs21\i\cf2\ulc2
“h”
}
{\plain\f4\fs21\cf2\ulc2
can detect a release of petroleum;
}
\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
Provide information to the department on effective corrective action technologies, health risks, and chemical and physical properties of the stored substance, and the characteristics of the UST site; 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
Obtain approval from the department to use the alternate release detection method before the installation and operation of the new UST system.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.5(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Methods of release detection for tanks.
}
{\plain\f4\fs21\cf2\ulc2
Each method of release detection for tanks used to meet the requirements of 135.5(2) must be conducted in accordance with 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\i\cf2\ulc2
Inventory control.
}
{\plain\f4\fs21\cf2\ulc2
Product inventory control (or another test of equivalent performance) must be conducted monthly to detect a release of at least 1.0 percent of flow-through plus 130 gallons on a monthly basis 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
Inventory volume measurements for regulated substance inputs, withdrawals, and the amount still remaining in the tank are recorded each operating day;
}
\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 equipment used is capable of measuring the level of product over the full range of the tank’s height to the nearest 1/8 of an inch;
}
\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 regulated substance inputs are reconciled with delivery receipts by measurement of the tank inventory volume before and after delivery;
}
\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
Deliveries are made through a drop tube that extends to within 1 foot of the tank bottom;
}
\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
Product dispensing is metered and recorded within the local standards for meter calibration or an accuracy of 6 cubic inches for every 5 gallons of product withdrawn; and
}
\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 measurement of any water level in the bottom of the tank is made to the nearest 1/8 of an inch at least once a month.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
Practices described in the American Petroleum Institute Publication 1621, “Recommended Practice for Bulk Liquid Stock Control at Retail Outlets,” may be used, where applicable, as guidance in meeting the requirements of subrule 135.5(4), paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“a,”
}
{\plain\f4\fs21\cf2\ulc2
subparagraphs (1) to (6).
}
\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
Manual tank gauging.
}
{\plain\f4\fs21\cf2\ulc2
Manual tank gauging 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
Tank liquid level measurements are taken at the beginning and ending of a period of at least 36 hours during which no liquid is added to or removed from the tank;
}
\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
Level measurements are based on an average of two consecutive stick readings at both the beginning and ending of the period;
}
\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 equipment used is capable of measuring the level of product over the full range of the tank’s height to the nearest 1/8 of an inch;
}
\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 leak is suspected and subject to the requirements of rule 567—135.6(455B) if the variation between beginning and ending measurements exceeds the weekly or monthly standards in the following table:
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx2529
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx4398
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\cellx7201
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Nominal
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Tank Capacity
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Weekly Standard
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
(one test)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Monthly Standard
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
(average of four tests)
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2529
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4398
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
550 gallons or less
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
10 gallons
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5 gallons
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2529
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4398
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
551-1,000 gallons
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
13 gallons
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
7 gallons
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2529
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx4398
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7201
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1,001-2,000 gallons
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
26 gallons
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
13 gallons
}
\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
Only tanks of 550 gallons or less nominal capacity may use this as the sole method of release detection. Tanks of 551 to 2000 gallons may use the method in place of manual inventory control in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
{\plain\f4\fs21\cf2\ulc2
Tanks of greater than 2000 gallons nominal capacity may not use this method to meet the requirements of this rule.
}
\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
Tank tightness testing.
}
{\plain\f4\fs21\cf2\ulc2
Tank tightness testing (or another test of equivalent performance) must be capable of detecting a 0.1 gallon-per-hour leak rate from any portion of the tank that routinely contains product while accounting for the effects of thermal expansion or contraction of the product, vapor pockets, tank deformation, evaporation or condensation, and the location of the water table.
}
\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
Automatic tank gauging.
}
{\plain\f4\fs21\cf2\ulc2
Equipment for automatic tank gauging that tests for the loss of product and conducts inventory control 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 automatic product level monitor test can detect a 0.2 gallon-per-hour leak rate from any portion of the tank that routinely contains product; 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
Inventory control (or another test of equivalent performance) is conducted in accordance with the requirements of 135.5(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
e.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Vapor monitoring.
}
{\plain\f4\fs21\cf2\ulc2
Testing or monitoring for vapors within the soil gas of the excavation zone 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 materials used as backfill are sufficiently porous (e.g., gravel, sand, crushed rock) to readily allow diffusion of vapors from releases into the excavation area;
}
\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 stored regulated substance, or a tracer compound placed in the tank system, is sufficiently volatile (e.g., gasoline) to result in a vapor level that is detectable by the monitoring devices located in the excavation zone in the event of a release from the tank;
}
\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 measurement of vapors by the monitoring device is not rendered inoperative by the groundwater, rainfall, or soil moisture or other known interferences so that a release could go undetected for more than 30 days;
}
\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 level of background contamination in the excavation zone will not interfere with the method used to detect releases from the tank;
}
\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 vapor monitors are designed and operated to detect any significant increase in concentration above background of the regulated substance stored in the tank system, a component or components of that substance, or a tracer compound placed in the tank system;
}
\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
In the UST excavation zone, the site is assessed to ensure compliance with the requirements in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
(1) to (4) and to establish the number and positioning of monitoring wells that will detect releases within the excavation zone from any portion of the tank that routinely contains product; and
}
\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
Monitoring wells are clearly marked and secured to avoid unauthorized access and tampering.
}
\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
Groundwater monitoring.
}
{\plain\f4\fs21\cf2\ulc2
Testing or monitoring for liquids on the groundwater 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 regulated substance stored is immiscible in water and has a specific gravity of less than 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
Groundwater is never more than 20 feet from the ground surface and the hydraulic conductivity of the soil(s) between the UST system and the monitoring wells or devices is not less than 0.01 cm/sec (e.g., the soil should consist of gravels, coarse to medium sands, coarse silts or other permeable materials);
}
\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 slotted portion of the monitoring well casing must be designed to prevent migration of natural soils or filter pack into the well and to allow entry of regulated substance on the water table into the well under both high and low groundwater conditions;
}
\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
Monitoring wells shall be sealed from the ground surface to the top of the filter pack;
}
\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 wells or devices intercept the excavation zone or are as close to it as is technically feasible;
}
\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 continuous monitoring devices or manual methods used can detect the presence of at least 1/8 of an inch of free product on top of the groundwater in the monitoring wells;
}
\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
Within and immediately below the UST system excavation zone, the site is assessed to ensure compliance with the requirements in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(1) to (5) and to establish the number and positioning of monitoring wells or devices that will detect releases from any portion of the tank that routinely contains product; and
}
\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
Monitoring wells are clearly marked and secured to avoid unauthorized access and tampering.
}
\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
Interstitial monitoring.
}
{\plain\f4\fs21\cf2\ulc2
Interstitial monitoring between the UST system and a secondary barrier immediately around or beneath it may be used, but only if the system is designed, constructed and installed to detect a leak from any portion of the tank that routinely contains product and also meets one of 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
For secondary containment systems, the sampling or testing method must be able to detect a release through the inner wall in any portion of the tank that routinely contains product:
}
\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
Continuously, by means of an automatic leak sensing device that signals to the operator the presence of any regulated substance in the interstitial space; 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
Monthly, by means of a procedure capable of detecting the presence of any regulated substance in the interstitial space.
}
\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 interstitial space shall be maintained and kept free of liquid, debris or anything that could interfere with leak detection capabilities.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The provisions outlined in the Steel Tank Institute’s “Standard for Dual Wall Underground Storage Tanks” may be used as guidance for aspects of the design and construction of underground steel double-walled tanks.
}
\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 UST systems with a secondary barrier within the excavation zone, the sampling or testing method used can detect a release between the UST system and the secondary barrier:
}
\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 secondary barrier around or beneath the UST system consists of artificially constructed material that is sufficiently thick and impermeable (at least 10
}
{\plain\f4\fs16\super\cf2\ulc2
-6
}
{\plain\f4\fs21\cf2\ulc2
cm/sec for the regulated substance stored) to direct a release to the monitoring point and permit its detection;
}
\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 barrier is compatible with the regulated substance stored so that a release from the UST system will not cause a deterioration of the barrier allowing a release to pass through undetected;
}
\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 cathodically protected tanks, the secondary barrier must be installed so that it does not interfere with the proper operation of the cathodic protection 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 groundwater, soil moisture, or rainfall will not render the testing or sampling method used inoperative so that a release could go undetected for more than 30 days;
}
\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 site is assessed to ensure that the secondary barrier is always above the groundwater and not in a 25-year flood plain, unless the barrier and monitoring designs are for use under such conditions; and
}
\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
Monitoring wells are clearly marked and secured to avoid unauthorized access and tampering.
}
\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 tanks with an internally fitted liner, an automated device can detect a release between the inner wall of the tank and the liner, and the liner is compatible with the substance stored.
}
\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
Other methods.
}
{\plain\f4\fs21\cf2\ulc2
Any other type of release detection method, or combination of methods, can be used if:
}
\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
It can detect a 0.2 gallon-per-hour leak rate or a release of 150 gallons within a month with a probability of detection of 0.95 and a probability of false alarm of 0.05; or
}
\par
\pard\qj\sl250\tx340\tx680\tx80
{\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 approve another method if the owner and operator can demonstrate that the method can detect a release as effectively as any of the methods allowed in paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
to
}
{\plain\f4\fs21\i\cf2\ulc2
“h.”
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
In comparing methods, the department shall consider the size of release that the method can detect and the frequency and reliability with which it can be detected. If the method is approved, the owner and operator must comply with any conditions imposed by the department on its use to ensure the protection of human health and the environment.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.5(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Methods of release detection for piping.
}
{\plain\f4\fs21\cf2\ulc2
Each method of release detection for piping used to meet the requirements of 135.5(2) must be conducted in accordance with 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\i\cf2\ulc2
Automatic line leak detectors.
}
{\plain\f4\fs21\cf2\ulc2
Methods which alert the operator to the presence of a leak by restricting or shutting off the flow of regulated substances through piping or triggering an audible or visual alarm may be used only if they detect leaks of 3 gallons per hour at 10 pounds per square inch line pressure within one hour. An annual test of the operation of the leak detector must be conducted in accordance with the manufacturer’s requirements.
}
\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
Line tightness testing.
}
{\plain\f4\fs21\cf2\ulc2
A periodic test of piping may be conducted only if it can detect a 0.1 gallon-per-hour leak rate at one and one-half times the operating pressure.
}
\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
Applicable tank methods.
}
{\plain\f4\fs21\cf2\ulc2
Any of the methods in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
through
}
{\plain\f4\fs21\i\cf2\ulc2
“h”
}
{\plain\f4\fs21\cf2\ulc2
may be used if they are designed to detect a release from any portion of the underground piping that routinely contains regulated substances.
}
\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
Interstitial monitoring of secondary containment.
}
{\plain\f4\fs21\cf2\ulc2
Interstitial monitoring may be used for any piping with secondary containment designed for and capable of interstitial 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
Leak detection shall be conducted:
}
\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
Continously, by means of an automatic leak sensing device that signals to the operator the presence of any regulated substance in the interstitial space or containment sump; 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
Monthly, by means of a procedure capable of detecting the presence of any regulated substance in the interstitial space or containment sump, such as visual inspection.
}
\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 interstitial space or sump shall be maintained and kept free of water, debris or anything that could interfere with leak detection capabilities.
}
\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
At least every two years, any sump shall be visually inspected for integrity of sides and floor and tightness of piping penetration seals. Any automatic sensing device shall be tested for proper function.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.5(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Release detection record keeping.
}
{\plain\f4\fs21\cf2\ulc2
All UST system owners and operators must maintain records in accordance with 135.4(5) demonstrating compliance with all applicable requirements of this rule. These records must include 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
All written performance claims pertaining to any release detection system used, and the manner in which these claims have been justified or tested by the equipment manufacturer or installer, must be maintained for five years, or for another reasonable period of time determined by the department, from the date of installation;
}
\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 results of any sampling, testing, or monitoring must be maintained for at least one year, or for another reasonable period of time determined by the department, except that the results of tank tightness testing conducted in accordance with 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
must be retained until the next test is conducted; and
}
\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
Written documentation of all calibration, maintenance, and repair of release detection equipment permanently located on-site must be maintained for at least one year after the servicing work is completed, or for another reasonable time period determined by the department. Any schedules of required calibration and maintenance provided by the release detection equipment manufacturer must be retained for five years from the date of installation.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 8469B
}
{\plain\f4\fs16\cf2
, IAB 1/13/10, effective 2/17/10 (See Delay note at end of chapter)]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.6
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Release reporting, investigation, and confirmation.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.6(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting of suspected releases.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators of UST systems must report to the department within 24 hours, or within 6 hours in accordance with 567—Chapter 131 if a hazardous condition exists as defined in 567—131.1(455B), or another reasonable time period specified by the department, and follow the procedures in 135.8(1) for any of the following 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\cf2\ulc2
The discovery by owners and operators or others of released regulated substances at the UST site or in the surrounding area (such as the presence of free product or vapors in soils, basements, sewer and utility lines, and nearby surface 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\cf2\ulc2
Unusual operating conditions observed by owners and operators (such as the erratic behavior of product dispensing equipment, the sudden loss of product from the UST system, or an unexplained presence of water in the tank), unless system equipment is found to be defective but not leaking, and is immediately repaired or replaced; and
}
\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
Monitoring results from a release detection method required under 135.5(2) and 135.5(3) that indicate a release may have occurred unless:
}
\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 monitoring device is found to be defective, and is immediately repaired, recalibrated or replaced, and additional monitoring does not confirm the initial result; 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
In the case of inventory control, a second month of data does not confirm the initial result.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.6(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Investigation due to off-site impacts.
}
{\plain\f4\fs21\cf2\ulc2
When required by the department, owners and operators of UST systems must follow the procedures in 135.6(3) to determine if the UST system is the source of off-site impacts. These impacts include the discovery of regulated substances (such as the presence of free product or vapors in soils, basements, sewer and utility lines, and nearby surface and drinking waters) that has been observed by the department or brought to its attention by another party.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.6(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Release investigation and confirmation steps.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators must immediately investigate and confirm all suspected releases of regulated substances requiring reporting under 135.6(1) within seven days, or another reasonable time period specified by the department, using either the following steps or another procedure 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\cf2\ulc2
System test. Owners and operators must conduct tests (according to the requirements for tightness testing in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and 135.5(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
) that determine whether a leak exists in that portion of the tank that routinely contains product, or the attached delivery piping or both.
}
\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
Owners and operators must repair, replace or upgrade the UST system and begin corrective action in accordance with rule 567—135.9(455B) if the test results for the system, tank, or delivery piping indicate a leak exists.
}
\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
Further investigation is not required if the test results for the system, tank, and delivery piping do not indicate a leak exists and if environmental contamination is not the basis for suspecting a release.
}
\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
Owners and operators must conduct a site check as described in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
of this subrule if the test results for the system, tank, and delivery piping do not indicate a leak exists but environmental contamination is the basis for suspecting a release.
}
\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
Site check. A certified groundwater professional must conduct a site check in accordance with the tank closure in place procedures as provided in 135.15(3) or they may conduct a Tier 1 assessment in accordance with subrule 135.9(3). Under either procedure, the certified groundwater professional must follow the policies and procedures applicable to sites where bedrock is encountered before groundwater as provided in 135.8(5) to avoid creating a preferential pathway for soil or groundwater contamination to reach a bedrock aquifer. The certified groundwater professional must measure for the presence of a release where contamination is most likely to be present at the UST site. In selecting sample types, sample locations, and measurement methods, the certified groundwater professional must consider the nature of the stored substance, the type of initial alarm or cause for suspicion, the type of backfill, the depth of groundwater, and other factors appropriate for identifying the presence and source of the release.
}
\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 test results of the site check indicate action levels in 567—135.14(455B) have been exceeded, owners and operators must begin corrective action in accordance with rules 567—135.7(455B) to 567—135.12(455B).
}
\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 test results for the excavation zone or the UST site do not indicate a release has occurred, further investigation is not required.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.6(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting and cleanup of spills and overfills.
}
\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
Reportable releases.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators of UST systems must contain and immediately clean up a spill, overfill or any aboveground release, and report to the department within 24 hours, or within 6 hours in accordance with 567—Chapter 131 if a hazardous condition exists as defined in rule 567—131.1(455B) and begin corrective action in accordance with rules 567—135.7(455B) to 567—135.12(455B) in the following cases:
}
\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
Spill, overfill or any aboveground release of petroleum that results in a release to the environment that exceeds 25 gallons, causes a sheen on nearby surface water, impacts adjacent property, or contaminates groundwater; 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
Spill, overfill or any aboveground release of a hazardous substance that results in a release to the environment that equals or exceeds its reportable quantity under CERCLA (40 CFR 302) as of September 13, 1988.
}
\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
Nonreportable releases.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators of UST systems must contain and immediately clean up a spill, overfill or any aboveground release of petroleum that is less than 25 gallons and a spill, overfill or any aboveground release of a hazardous substance that is less than the reportable quantity. If cleanup cannot be accomplished within 24 hours, owners and operators must immediately notify the department.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
Any spill or overfill that results in a hazardous condition as defined in rule 567—131.1(455B) must be reported within 6 hours. This includes the transporter of the product. A release of a hazardous substance equal to or in excess of its reportable quantity must also be reported immediately (rather than within 24 hours) to the National Response Center under Sections 102 and 103 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 and to appropriate state and local authorities under Title III of the Superfund Amendments and Reauthorization Act of 1986.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.7
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Release response and corrective action for UST systems containing petroleum or hazardous substances.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.7(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators of petroleum or hazardous substance UST systems must, in response to a confirmed release from the UST system, comply with the requirements of this rule except for USTs excluded under 135.1(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
and UST systems subject to RCRA Subtitle C corrective action requirements under Section 3004(u) of the Resource Conservation and Recovery Act, as amended.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.7(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Initial response.
}
{\plain\f4\fs21\cf2\ulc2
Upon confirmation of a release in accordance with 135.6(3) or after a release from the UST system is identified in any other manner, owners and operators must perform the following initial response actions within 24 hours of a release or within another reasonable period of time specified 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\cf2\ulc2
Report the release to the department (e.g., by telephone or electronic mail);
}
\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
Take immediate action to prevent any further release of the regulated substance into the environment; and
}
\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
Identify and mitigate fire, explosion, and vapor hazards.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.7(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Initial abatement measures and site check.
}
\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
Unless directed to do otherwise by the department, owners and operators must perform the following abatement measures:
}
\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
Remove as much of the regulated substance from the UST system as is necessary to prevent further release to the environment;
}
\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
Visually inspect any aboveground releases or exposed below-ground releases and prevent further migration of the released substance into surrounding soils and groundwater;
}
\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
Continue to monitor and mitigate any additional fire and safety hazards posed by vapors or free product that have migrated from the UST excavation zone and entered into subsurface structures (such as sewers or basements);
}
\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
Remedy hazards posed by contaminated soils that are excavated or exposed as a result of release confirmation, site investigation, abatement, or corrective action activities. If these remedies include treatment or disposal of soils, the owner and operator must comply with applicable state and local requirements;
}
\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
Rescinded IAB 7/17/96, effective 8/15/96.
}
\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
Investigate to determine the possible presence of free product, and begin free product removal as soon as practicable and in accordance with 135.7(5).
}
\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
Within 20 days after release confirmation, or within another reasonable period of time determined by the department, owners and operators must submit a report to the department summarizing the initial abatement steps taken under paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
and any resulting information or data.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.7(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Initial site characterization.
}
{\plain\f4\fs21\cf2\ulc2
Rescinded IAB 7/17/96, effective 8/15/96.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.7(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Free product assessment and removal.
}
{\plain\f4\fs21\cf2\ulc2
At sites where investigations under 135.7(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(6) indicate 0.01 ft. or more of free product, owners and operators must immediately initiate a free product recovery assessment and submit a report in accordance with paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
and initiate interim free product removal while continuing, as necessary, any actions initiated under 135.7(2) to 135.7(4), or preparing for actions required under 567—135.8(455B) to 567—135.12(455B). Owners and operators must immediately begin interim free product removal by bailing or by installation and maintenance of passive skimming equipment until an alternative removal method is required by or approved by the department. A certified groundwater professional must initially determine the frequency of bailing and proper installation and maintenance of the skimming equipment based on a determination of the recharge rate of the free product. The department may approve implementation of this interim removal process by persons not certified as groundwater professionals. For approval a certified groundwater professional must submit (1) sufficient documentation establishing that the bailing or skimming system has been adequately designed and tested, and (2) a written plan for regular maintenance, reporting and supervision by a certified groundwater professional. Interim free product recovery reports must be submitted to the department on a monthly basis and on forms provided by the department. In meeting the requirements of this subrule, owners and operators must:
}
\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
Conduct free product removal at a frequency determined by the recharge rate of the product and in a manner that minimizes the spread of contamination into previously uncontaminated zones by using recovery and disposal techniques appropriate to the hydrogeologic conditions at the site, and that properly treats, discharges or disposes of recovery by-products in compliance with applicable local, state and federal regulations. Unless approved by the department, free product assessment and recovery activities must be conducted by a certified groundwater professional. Owners and operators must report the results of free product removal activities on forms designated 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\cf2\ulc2
Use abatement of free product migration as a minimum objective for the design of the free product removal system. Free product recovery systems must be designed to remove free product to the maximum extent practicable;
}
\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
Handle any flammable products in a safe and competent manner to prevent fires or explosions; and
}
\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
Free product recovery assessment and report. Unless directed to do otherwise by the department, prepare and submit to the department, within 45 days after confirming a release, a free product recovery assessment report and a proposal for subsequent free product removal activities. The free product recovery assessment report and removal proposal must contain at least the following information:
}
\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 name of the person(s) responsible for implementing the free product removal measures;
}
\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 estimated quantity, type and thickness of free product observed or measured in monitoring wells, boreholes, and excavations, the recharge rate in all affected monitoring wells and a detailed description of the procedures used to determine the recharge rate;
}
\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 detailed justification for the free product removal technology proposed for the site. Base the justification narrative on professional judgment considering the characteristics of the free product plume (i.e., estimated volume, type of product, thickness, extent), an assessment of cost effectiveness based on recovery costs compared to alternative methods, site hydrology and geology, when the release event occurred, testing conducted to verify design assumptions and the potential for petroleum vapors or explosive conditions to occur in enclosed spaces. Proposals for removal systems other than hand bailing or passive skimming systems must be completed and submitted on a format consistent with the department’s corrective action design 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
A schematic and narrative description of the free product recovery system used;
}
\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
Whether any discharge will take place on site or off site during the recovery operation and where this discharge will be located;
}
\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 schematic and narrative description of the treatment system, and the effluent quality expected from any discharge;
}
\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 steps that have been or are being taken to obtain necessary permits for any discharge;
}
\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
The disposition of the recovered free product;
}
\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
Free product plume definition and map. The extent of free product in groundwater must be assessed. The number and location of wells and separation distance between the wells used to define the free product plume must be based on the receptors present and the site hydrology and geology. A minimum of five monitoring wells are required to construct the plume map. If the groundwater professional can adequately define the plume using other technology as specified in department guidance, fewer than five wells may be used. The boundary of the plume may be determined by linear interpolation consistent with the methods described in 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(3); and
}
\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
The estimated volume of free product present, how the volume was calculated, recoverable volume and estimated recovery time.
}
\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
The department will review the free product assessment report; and, if approved, the owner or operator must implement the installation of the approved recovery system within 60 days or other time period approved by the department.
}
\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
Termination of free product recovery activities. Owners and operators may propose to the department to terminate free product recovery activities when significant amounts of hydrocarbons are not being recovered. The department will consider proposals to terminate free product recovery when the amount of product collected from a monitoring well is equal to or less than 0.1 gallon each month for a year unless another plan is approved by the department. When free product activities have been terminated, owners and operators must inspect the monitoring wells monthly for at least a year. The department must be notified and free product recovery activities reinitiated if during the monthly well inspections it is determined the product thickness in a monitoring well exceeds 0.02 foot. The monthly well inspection records must be kept available for review by the department.
}
\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\cf2\ulc2
Unless directed to do otherwise by the department, prepare and submit to the department within 180 days after confirming a release, a Tier 2 site cleanup report.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.8
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Risk-based corrective action.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.8(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General.
}
{\plain\f4\fs21\cf2\ulc2
The objective of risk-based corrective action is to effectively evaluate the risks posed by contamination to human health, safety and the environment using a progressively more site-specific, three-tiered approach to site assessment and data analysis. Based on the tiered assessment, a corrective action response is determined sufficient to remove or minimize risks to acceptable levels. Corrective action response includes a broad range of options including reduction of contaminant concentrations through active or passive methods, monitoring of contamination, use of technological controls or institutional controls.
}
\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
Tier 1.
}
{\plain\f4\fs21\cf2\ulc2
The purpose of a Tier 1 assessment is to identify sites which do not pose an unreasonable risk to public health and safety or the environment based on limited site data. The objective is to determine maximum concentrations of chemicals of concern at the source of a release(s) in soil and groundwater. The Tier 1 assessment assumes worst-case scenarios in which actual or potential receptors could be exposed to these chemicals at maximum concentrations through certain soil and groundwater pathways. The point of exposure is assumed to be the source showing maximum concentrations. Risk-based screening levels (Tier 1 levels) contained in the Tier 1 Look-Up Table have been derived from models which use conservative assumptions to predict exposure to actual and potential receptors. (These models and default assumptions are contained in Appendix A.) If Tier 1 levels are not exceeded for a pathway, that pathway may not require further assessment. If the maximum concentrations exceed a Tier 1 level, the options are to conduct a more extensive Tier 2 assessment, apply an institutional control, or in limited circumstances excavate contaminated soil to below Tier 1 levels. If all pathways clear the Tier 1 levels, it is possible for the site to obtain a no action required 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
Tier 2.
}
{\plain\f4\fs21\cf2\ulc2
The purpose of a Tier 2 assessment is to use site-specific data to assess the risk from chemicals of concern to existing receptors and potential receptors using fate and transport models in accordance with 567—135.10(455B). See 135.10(2)
}
{\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
c.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Tier 3.
}
{\plain\f4\fs21\cf2\ulc2
Where site conditions may not be adequately addressed by Tier 2 procedures, a Tier 3 assessment may provide more accurate risk assessment. The purpose of Tier 3 is to identify reasonable exposure levels of chemicals of concern and to assess the risk of exposure to existing and potential receptors based on additional site assessment information, probabilistic evaluations, or sophisticated chemical fate and transport models in accordance with 567—135.11(455B).
}
\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
Notification.
}
{\plain\f4\fs21\cf2\ulc2
Whenever the department requires a tiered site assessment and a public water supply well is within 2,500 feet of a leaking underground storage tank site, the department will notify the public water supply operator.
}
\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
Pathway reevaluation.
}
{\plain\f4\fs21\cf2\ulc2
Prior to issuance of a no further action certificate in accordance with 135.12(10) and Iowa Code section 455B.474(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“h”
}
{\plain\f4\fs21\cf2\ulc2
(3), if it is determined that the conditions for an individual pathway that has been classified as “no action required” no longer exist, or the site presents an unreasonable risk to a public water supply well and the model used to obtain the pathway clearance underpredicts the actual contaminant plume, the individual pathway shall be further assessed consistent with the risk-based corrective action provisions in rules 567—135.8(455B) through 567—135.12(455B).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.8(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Certified groundwater professional.
}
{\plain\f4\fs21\cf2\ulc2
All assessment, corrective action, data analysis and report development required under rules 567—135.6(455B) to 567—135.12(455B) must be conducted by or under the supervision of a certified groundwater professional in accordance with these rules and department guidance as specified.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.8(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Chemicals of concern.
}
{\plain\f4\fs21\cf2\ulc2
Soil and groundwater samples from releases of petroleum regulated substances must always be analyzed for the presence of benzene, ethylbenzene, toluene, and xylenes. In addition, if the release is suspected to include any petroleum regulated substance other than gasoline or gasoline blends, or if the source of the release is unknown, the samples must be tested for the presence of Total Extractable Hydrocarbons (TEH). Appendices A and B and department Tier 2 guidance define a method for converting TEH values to a default concentration for naphthalene, benzo(a)pyrene, benz(a)anthracene and chrysene and conversion back to a representative TEH value. These default values must be used in order to apply Tier 2 modeling to these constituents in the absence of accurate laboratory analysis. At Tier 2 and Tier 3, owners and operators have the option of analyzing for these specific constituents and applying them to the specific target levels in Appendices A and B instead of using the TEH conversion method if an approved laboratory and laboratory technique are used.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.8(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Boring depth for sampling.
}
{\plain\f4\fs21\cf2\ulc2
When drilling for the placement of groundwater monitoring wells, if groundwater is encountered, drilling must continue to the maximum of 10 feet below the first encountered groundwater or to the bottom of soil contamination as estimated by field screening. If groundwater is not encountered, drilling must continue to the deeper of 10 feet below the soil contamination as estimated by field screening or 75 feet from the ground surface.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.8(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Bedrock aquifer assessment.
}
{\plain\f4\fs21\cf2\ulc2
Prior to conducting any groundwater drilling, a groundwater professional must determine if there is a potential to encounter bedrock before groundwater. These potential areas include (1) areas where karst features or outcrops exist in the vicinity and (2) areas with bedrock less than 50 feet from the surface as illustrated in Tier 1 and Tier 2 guidance. The purpose of this determination is to prevent drilling through contaminated subsurface areas thereby creating a preferential pathway to a bedrock aquifer. If the first encountered groundwater is above bedrock but near the bedrock surface or fluctuates above and below bedrock, the groundwater professional should evaluate the subsurface geology and aquifer characteristics to determine the potential for creating a preferential pathway. If it is determined that the aquifer acts like a nongranular aquifer as provided in 135.10(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
or bedrock is encountered before groundwater, the groundwater professional must conduct a Tier 2 assessment for all pathways under 567—135.10(455B), including the specified bedrock procedures under 135.10(3).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If the first encountered groundwater is above bedrock with sufficient separation and aquifer characteristics to establish that it acts as a granular aquifer, site assessment may proceed under the site check procedure in 567—135.6(455B), the Tier 1 procedure in 567—135.9(455B) or the Tier 2 procedure in 567—135.10(455B) as would be customary regardless of the bedrock designation. However, even under this condition, drilling through bedrock should be avoided in contaminated areas.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 7621B
}
{\plain\f4\fs16\cf2
, IAB 3/11/09, effective 4/15/09]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.9
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Tier 1 site assessment policy and procedure.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General.
}
{\plain\f4\fs21\cf2\ulc2
The main objective of a Tier 1 site assessment is to reasonably determine the highest concentrations of chemicals of concern which would be associated with any suspected or confirmed release and an accurate identification of applicable receptors. In addition, the placement and depth of borings and the construction of monitoring wells must be sufficient to determine the sources of all releases, the vertical extent of contamination, an accurate description of site stratigraphy, and a reliable determination of groundwater flow direction.
}
\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
Pathway assessment.
}
{\plain\f4\fs21\cf2\ulc2
The pathways to be evaluated at Tier 1 are the groundwater ingestion pathway, soil leaching to groundwater pathway, groundwater vapor to enclosed space pathway, soil vapor to enclosed space pathway, soil to water line pathway, groundwater to water line pathway and the surface water pathway. Assessment requires a determination of whether a pathway is complete, an evaluation of actual and potential receptors, and a determination of whether conditions are satisfied for obtaining no further action clearance for individual pathways or for obtaining a complete site classification of “no action required.” A pathway is considered complete if a chemical of concern has a route which could be followed to reach an actual or potential receptor.
}
\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
Pathway clearance.
}
{\plain\f4\fs21\cf2\ulc2
If field data for an individual pathway does not exceed the applicable Tier 1 levels or if a pathway is incomplete, no further action is required to evaluate the pathway unless otherwise specified in these rules. If the field data for a pathway exceeds the applicable Tier 1 level(s) in the “Iowa Tier 1 Look-up Table,” the response is to conduct further assessment under Tier 2 or Tier 3 unless an effective institutional control is approved. In limited circumstances excavation of contaminated soils may be used as an option to obtain pathway clearance. If further site assessment indicates site data exceeds an applicable Tier 1 level(s) for a previously cleared pathway or the conditions justifying a determination of pathway incompleteness change, that pathway must be reevaluated as part of a Tier 2 or Tier 3 assessment.
}
\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
Chemical group clearance.
}
{\plain\f4\fs21\cf2\ulc2
If field data for all chemicals of concern within a designated group of chemicals is below the Tier 1 levels, no further action is required as to the group of chemicals unless otherwise specified in these rules. Group one consists of benzene, ethylbenzene, toluene, and xylenes (BTEX). Group two consists of naphthalene, benzo(a)pyrene, benz(a)anthracene and chrysene; TEH default values are incorporated into the Iowa Tier 1 Look-Up Table and Appendix A for group two chemicals.
}
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{\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
Site classification.
}
{\plain\f4\fs21\cf2\ulc2
A site can be classified as no action required only after all pathways have met the conditions for pathway clearance as provided in this rule.
}
\par
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{\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
Groundwater sampling procedure.
}
{\plain\f4\fs21\cf2\ulc2
Groundwater sampling and field screening must be conducted in accordance with department Tier 1 guidance. A minimum of three properly constructed groundwater monitoring wells must be installed, subject to the limitations on maximum drilling depths, for the purpose of identifying maximum concentrations of groundwater contamination, suspected sources of releases, and groundwater flow direction.
}
\par
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{\plain\f4\fs21\cf2\ulc2
\tab
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(1)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Field screening must be used to locate suspected releases and to determine locations with the greatest concentrations of contamination. Field screening is required as per department guidance at each former and current tank basin, each former and current pump island, along the piping, and at any other areas of actual or suspected releases. In placing monitoring wells, the following must be considered: field screening data, available current and historical information regarding the releases, tank and piping layout, site conditions, and drilling data available from sites in the vicinity. At least one well must be placed at each suspected source of release which shall include at a minimum: the pump island with the greatest field screening level, each current and former underground storage tank basin, and if field screening shows greater levels than at the pump islands or tank basins, at other suspected sources of releases. As a general rule, wells should be installed outside of the tank basin through native soils but as close to the tank basin as feasible. A well must be installed in a presumed downgradient direction and within 30 feet of the sample with the greatest field screening level. Three of the wells must be placed in a triangular arrangement to determine groundwater flow direction.
}
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{\plain\f4\fs21\cf2\ulc2
\tab
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{\plain\f4\fs21\cf2\ulc2
(2)
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Where the circumstances which prompt a Tier 1 assessment identify a discrete source and cause of a release, and the groundwater professional is able to rule out other suspected sources or contributing sources such as pump islands, piping runs and tank basins, the application of field screening and groundwater well placement may be limited to the known source.
}
\par
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{\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
Soil sampling procedure.
}
{\plain\f4\fs21\cf2\ulc2
The objective of soil sampling is to identify the maximum concentrations of soil contamination in the vadose and saturated zones and to identify sources of releases. The same principles stated above apply to soil sampling. Soil samples must be taken from borings with the greatest field screening levels even if the boring will not be converted to a monitoring well. At a minimum, soil and groundwater samples must be collected for analysis from all borings which are converted to monitoring wells.
}
\par
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{\plain\f4\fs21\cf2\ulc2
Iowa Tier 1 Look-Up Table
}
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Media
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Exposure Pathway
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{\plain\f4\fs14\cf2\ulc2
Receptor
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Group 1
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Group 2: TEH
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{\plain\f4\fs14\cf2\ulc2
Benzene
}
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{\plain\f4\fs14\cf2\ulc2
Toluene
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
Ethylbenzene
}
\cell
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{\plain\f4\fs14\cf2\ulc2
Xylenes
}
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{\plain\f4\fs14\cf2\ulc2
Diesel*
}
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{\plain\f4\fs14\cf2\ulc2
Waste Oil
}
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{\plain\f4\fs14\cf2\ulc2
Groundwater (µg/L)
}
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{\plain\f4\fs14\cf2\ulc2
Groundwater Ingestion
}
\cell
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{\plain\f4\fs14\cf2\ulc2
Actual
}
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{\plain\f4\fs14\cf2\ulc2
5
}
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{\plain\f4\fs14\cf2\ulc2
1,000
}
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{\plain\f4\fs14\cf2\ulc2
700
}
\cell
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{\plain\f4\fs14\cf2\ulc2
10,000
}
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{\plain\f4\fs14\cf2\ulc2
1,200
}
\cell
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{\plain\f4\fs14\cf2\ulc2
400
}
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Potential
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{\plain\f4\fs14\cf2\ulc2
290
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{\plain\f4\fs14\cf2\ulc2
7,300
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{\plain\f4\fs14\cf2\ulc2
3,700
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{\plain\f4\fs14\cf2\ulc2
73,000
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{\plain\f4\fs14\cf2\ulc2
75,000
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{\plain\f4\fs14\cf2\ulc2
40,000
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{\plain\f4\fs14\cf2\ulc2
Groundwater Vapor to Enclosed Space
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{\plain\f4\fs14\cf2\ulc2
All
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{\plain\f4\fs14\cf2\ulc2
1,540
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{\plain\f4\fs14\cf2\ulc2
20,190
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{\plain\f4\fs14\cf2\ulc2
46,000
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\cell
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{\plain\f4\fs14\cf2\ulc2
NA
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{\plain\f4\fs14\cf2\ulc2
2,200,000
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\cell
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{\plain\f4\fs14\cf2\ulc2
NA
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\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7856
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
Groundwater to Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
PVC or Gasketed Mains
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
7,500
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
6,250
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
40,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
48,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
75,000
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2\ulc2
40,000
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx993
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2353
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4640
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5696
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6400
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7856
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
PVC or Gasketed Service Lines
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
3,750
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
3,120
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
20,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
24,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
75,000
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2\ulc2
40,000
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx993
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2353
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4640
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5696
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6400
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7856
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
PE/PB/AC Mains or Service Lines
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
200
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
3,120
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
3,400
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
19,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
75,000
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2\ulc2
40,000
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx993
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2353
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4640
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5696
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6400
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7856
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
Surface Water
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
All
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
290
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
1,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
3,700
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
73,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
75,000
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2\ulc2
40,000
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx993
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2353
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4640
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5696
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6400
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7856
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
Soil
}
\par
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
(mg/kg)
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
Soil Leaching
}
\par
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
to Groundwater
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
All
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
0.54
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
42
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
15
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
3,800
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2\ulc2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx993
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2353
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4640
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5696
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6400
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7856
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
Soil Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
All
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
1.16
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
48
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
79
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
47,500
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2\ulc2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx993
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2353
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4640
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5696
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6400
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7200
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7856
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
Soil to
}
\par
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
All
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
2.0
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
3.2
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
45
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
52
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2\ulc2
10,500
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2\ulc2
NA
}
\cell
\row
\pard\sb140\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
NA: Not applicable. There are no limits for the chemical for the pathway, because for groundwater pathways the concentration for the designated risk would be greater than the solubility of the pure chemical in water, and for soil pathways the concentration for the designated risk would be greater than the soil concentration if pure chemical were present in the soil.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
TEH: Total Extractable Hydrocarbons. The TEH value is based on risks from naphthalene, benzo(a)pyrene, benz(a)anthracene, and chrysene. Refer to Appendix B for further details.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Diesel*: Standards in the Diesel column apply to all low volatile petroleum hydrocarbons except waste oil.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Conditions requiring Tier 1 site assessment.
}
{\plain\f4\fs21\cf2\ulc2
Unless owners and operators choose to conduct a Tier 2 assessment, the presence of bedrock requires a Tier 2 assessment as provided in 135.8(5), or these rules otherwise require preparation of a Tier 2 site assessment, a Tier 1 site assessment must be completed in response to release confirmation as provided in rule 567—135.6(455B), or tank closure investigation under 567—135.15(455B), or other reliable laboratory analysis which confirms the presence of contamination above the action levels in 567—135.14(455B).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Tier 1 assessment report.
}
{\plain\f4\fs21\cf2\ulc2
Unless directed to do otherwise by the department or the owners or operators choose to prepare a Tier 2 site cleanup report, owners and operators must assemble information about the site and the nature of the release in accordance with the department Tier 1 guidance, including information gained while confirming the release under 567—135.6(455B), tank closure under 567—135.15(455B) or completing the initial abatement measures in 135.7(1) and 135.7(2). This information must include, but is not necessarily limited to, 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
Data on the nature and estimated quantity of release.
}
\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
Results of any release investigation and confirmation actions required by subrule 135.6(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\cf2\ulc2
Results of the free product investigations required under 135.7(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(6), to be used by owners and operators to determine whether free product must be recovered under 135.7(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\cf2\ulc2
Chronology of property ownership and underground storage tank ownership, identification of the person(s) having control of, or having responsibility for the daily operation of the underground storage tanks and the operational history of the underground storage tank system. The operational history shall include, but is not limited to, a description of or suspected known subsurface or aboveground releases, past remediation or other corrective action, type of petroleum product stored, recent tank and piping tightness test results, any underground storage tank system repairs, upgrades or replacements and the underground storage tank and piping leak detection method being utilized. The operational history shall confirm that current release detection methods and record keeping comply with the requirements of 567—135.5(455B), that all release detection records have been reviewed and report any evidence that a release detection standard has been exceeded as provided in 135.5(4) and 135.5(5).
}
\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
Appropriate diagrams of the site and the underground storage tank system and surrounding land use, identifying site boundaries and existing structures and uses such as residential properties, schools, hospitals, child care facilities and a general description of relevant land use restrictions and known future land use.
}
\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
Current proof of financial responsibility as required by 567—136.19(455B) and 567—136.20(455B) and the status of coverage for corrective action under any applicable financial assurance mechanism or other financial assistance program.
}
\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\cf2\ulc2
A receptor survey including but not limited to the following: existing buildings, enclosed spaces (basements, crawl spaces, utility vaults, etc.), conduits (gravity drain lines, sanitary and storm sewer mains and service lines), water lines and other utilities within 500 feet of the source. For conduits and enclosed spaces, there must be a description of construction material, conduit backfill material, slope of conduit and trenches (include flow direction of sewers), burial depth of utilities or subsurface enclosed spaces, and the relationship to groundwater elevations.
}
\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\cf2\ulc2
An explosive vapor survey of enclosed spaces where there may be the potential for buildup of explosive vapors. The groundwater professional must provide a specific justification for not conducting an explosive vapor survey.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A survey of all surface water bodies within 200 feet of the source.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
j.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A survey of all active, abandoned and plugged groundwater wells within 1,000 feet of the source with a description of construction and present or future use.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
k.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Accurate and legible site maps showing the location of all groundwater monitoring wells, soil borings, field screening locations and screening values, and monitoring well and soil boring construction logs.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
l.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A tabulation of all laboratory analytical results for chemicals of concern and copies of the laboratory analytical reports.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
m.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Results of hydraulic conductivity testing and description of the procedures utilized.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
n.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
A Tier 1 site assessment in accordance with the department’s Tier 1 guidance. The Tier 1 report shall be submitted on forms and in a format prescribed by this guidance. The Tier 1 data analysis shall be performed by using computer software developed by the department or by using the computer software’s hard-copy version.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Groundwater ingestion pathway assessment.
}
{\plain\f4\fs21\cf2\ulc2
The groundwater ingestion pathway addresses the potential for human ingestion of petroleum-regulated substances from existing groundwater wells or potential drinking water wells.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
This pathway is considered complete if: (1) there is a drinking or non-drinking water well within 1,000 feet of the source(s) exhibiting the maximum concentrations of the chemicals of concern; or (2) the first encountered groundwater is a protected groundwater 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
Receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
A drinking or non-drinking water well within 1,000 feet of the source(s) is an actual receptor. The Tier 1 levels for actual receptors apply to drinking water wells and the Tier 1 levels for potential receptors apply to non-drinking water wells. Potential receptor points of exposure exist if the first encountered groundwater is a protected groundwater source but no actual receptors presently exist within 1,000 feet of the 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
Pathway clearance.
}
{\plain\f4\fs21\cf2\ulc2
If the pathway is incomplete, no further action is required for this pathway. If the Tier 1 level for actual or potential receptors is not exceeded, no further action is required for this pathway. Groundwater wells that are actual or potential receptors may be plugged in accordance with 567—Chapter 39 and 567—Chapter 49 and may result in no further action clearance if the groundwater is not a protected groundwater source and the pathway is thereby incomplete.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
If maximum concentrations exceed the applicable Tier 1 levels for either actual or potential receptors, a Tier 2 assessment must be conducted unless effective institutional controls are implemented as provided below. Technological controls are not acceptable at Tier 1 for this pathway. Abandonment and plugging of drinking and non-drinking water wells in accordance with 567—Chapters 39 and 49 is an acceptable corrective action response.
}
\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
Use of institutional controls.
}
{\plain\f4\fs21\cf2\ulc2
To apply an effective institutional control, if drinking or non-drinking water wells are present within 1,000 feet of the source, and the applicable Tier 1 level is exceeded, the well(s) for which there is an exceedence must be properly plugged. If the groundwater is a protected groundwater source and the maximum concentrations do not exceed the Tier 1 level for potential receptors but do exceed the Tier 1 level for actual receptors, the owner or operator must provide notification of site conditions on a department form to the department water supply section, or if a county has delegated authority, then the designated county authority responsible for issuing private water supply construction permits or regulating non-public water well construction as provided in 567—Chapters 38 and 49.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If the groundwater is a protected source and the maximum concentrations exceed the Tier 1 level for potential receptors, the owner or operator must (1) implement an institutional control prohibiting the use of the groundwater for installation of drinking and non-drinking water wells within 1,000 feet of the source; and (2) provide notification as provided above. If an effective institutional control is not feasible, a Tier 2 assessment must be performed for this pathway in accordance with rule 567—135.10(455B).
}
\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
Receptor evaluation for public water supply wells.
}
{\plain\f4\fs21\cf2\ulc2
Rescinded IAB 3/11/09, effective 4/15/09.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Soil leaching to groundwater pathway assessment.
}
{\plain\f4\fs21\cf2\ulc2
This pathway addresses the potential for soil contamination to leach to groundwater creating a risk of human exposure through the groundwater ingestion pathway.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
If the groundwater ingestion pathway is complete, the soil leaching to groundwater pathway is considered complete.
}
\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
Receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
There is a single receptor type for this pathway and one applicable Tier 1 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
Pathway clearance.
}
{\plain\f4\fs21\cf2\ulc2
If the pathway is incomplete or the pathway is complete and the maximum concentrations of chemicals of concern do not exceed the Tier 1 levels, no further action is required for assessment of this pathway.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
If the Tier 1 levels are exceeded for this pathway, a Tier 2 assessment must be conducted or alternatively, institutional controls or soil excavation may be undertaken in accordance with 135.9(7)
}
{\plain\f4\fs21\i\cf2\ulc2
“h.”
}
\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
Use of institutional controls.
}
{\plain\f4\fs21\cf2\ulc2
Institutional controls must satisfy the conditions applicable to the groundwater ingestion pathway as provided in 135.9(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“e.”
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Groundwater vapor to enclosed space pathway assessment.
}
{\plain\f4\fs21\cf2\ulc2
This pathway addresses the potential for vapors from contaminated groundwater to migrate to enclosed spaces where humans could inhale chemicals of concern at unacceptable levels. This pathway assessment assumes the health-based Tier 1 levels will adequately protect against any associated short- and long-term explosive risks.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
This pathway is always considered complete for purposes of Tier 1 and must be evaluated.
}
\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
Explosive vapor survey.
}
{\plain\f4\fs21\cf2\ulc2
An explosive vapor survey must be conducted in accordance with procedures outlined in the department Tier 1 guidance. If potentially explosive levels are detected, the groundwater professional must notify the owner or operator with instructions to report the condition in accordance with 567—Chapter 131. The owner or operator must begin immediate response and abatement procedures in accordance with 567—135.7(455B) and 567—Chapter 133.
}
\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
Receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
For purposes of Tier 1, there is one receptor type for this pathway and the Tier 1 level applies regardless of the existence of actual or potential receptors.
}
\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
Pathway clearance.
}
{\plain\f4\fs21\cf2\ulc2
No further action is required for this pathway, if the maximum groundwater concentrations do not exceed the Tier 1 levels for this pathway.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
If the maximum concentrations exceed the Tier 1 levels for this pathway, a Tier 2 assessment of this pathway must be conducted unless institutional controls are implemented. Technological controls are not acceptable at Tier 1 for this pathway.
}
\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
Use of institutional controls.
}
{\plain\f4\fs21\cf2\ulc2
An institutional control must be effective to prohibit the placement of enclosed space receptors within 500 feet of the source.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Soil vapor to enclosed space pathway assessment.
}
{\plain\f4\fs21\cf2\ulc2
This pathway addresses the potential for vapors from contaminated soils to migrate to enclosed spaces where humans could inhale chemicals of concern at unacceptable levels. This pathway assessment assumes health-based screening levels at Tier 1 will adequately protect against short- and long-term explosive risks.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
This pathway is always considered complete for purposes of Tier 1 and must be evaluated.
}
\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
Explosive vapor survey.
}
{\plain\f4\fs21\cf2\ulc2
An explosive vapor survey must be conducted in accordance with procedures outlined in the department Tier 1 guidance. If potentially explosive levels are detected, the groundwater professional must notify the owner or operator with instructions to report the condition in accordance with 567—Chapter 131. The owner or operator must begin immediate response and abatement procedures in accordance with 567—135.7(455B) and 567—Chapter 133.
}
\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
Receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
For purposes of Tier 1, there is one receptor type for this pathway, and the Tier 1 level applies regardless of existing or potential receptors.
}
\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
Pathway clearance.
}
{\plain\f4\fs21\cf2\ulc2
No further action is required for this pathway, if the maximum soil concentrations do not exceed the Tier 1 levels for this pathway. If the Tier 1 levels are exceeded, soil gas measurements may be taken in accordance with the Tier 2 guidance at the area(s) of maximum concentration. Subject to confirmation sampling, if the soil gas measurements do not exceed the target levels in 135.10(7)
}
{\plain\f4\fs21\i\cf2\ulc2
“f,”
}
{\plain\f4\fs21\cf2\ulc2
no further action is required for this pathway. If the Tier 1 level is not exceeded but the soil gas measurement exceeds the target level, further action is required for the pathway.
}
\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
Soil gas samples.
}
{\plain\f4\fs21\cf2\ulc2
To establish that the soil gas measurement is representative of the highest expected levels, a groundwater professional must obtain two soil gas samples taken at least two weeks apart. One of the samples must be taken below the typical frostline depth during a seasonal period of lowest groundwater elevation.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
If the maximum concentrations exceed the Tier 1 levels and the soil gas measurements exceed target levels for this pathway, or if no soil gas measurement was taken, a Tier 2 assessment of this pathway must be conducted unless institutional controls are implemented or soil excavation is conducted as provided below. Technological controls are not acceptable at Tier 1 for this pathway.
}
\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
Use of institutional controls.
}
{\plain\f4\fs21\cf2\ulc2
An institutional control must be effective to eliminate the placement of enclosed space receptors within 500 feet of the source.
}
\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
Soil excavation.
}
{\plain\f4\fs21\cf2\ulc2
Excavation of contaminated soils for the purpose of removing soils contaminated above the Tier 1 levels is permissible as an alternative to conducting a Tier 2 assessment. Adequate field screening methods must be used to identify maximum concentrations during excavation. At a minimum, one soil sample must be taken for field screening every 100 square feet of the base and each sidewall. Soil samples must be taken for laboratory analysis at least every 400 square feet of the base and each sidewall of the excavated area to confirm that remaining concentrations are below Tier 1 levels. If the excavation is less than 400 square feet, a minimum of one sample must be analyzed for each sidewall and the base.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Groundwater to water line pathway assessment.
}
{\plain\f4\fs21\cf2\ulc2
This pathway addresses the potential for creating a drinking water ingestion risk due to contact with water lines and causing infusion to the drinking water.
}
\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
Pathway completeness and receptor 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
Actual receptors. This pathway is considered complete for an actual receptor if there is an existing water line within 200 feet of the source and the first encountered groundwater is less than 20 feet below ground surface.
}
\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
Potential receptors. This pathway is considered complete for a potential receptor if the first encountered groundwater is less than 20 feet below ground surface.
}
\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
Pathway clearance.
}
{\plain\f4\fs21\cf2\ulc2
If the pathway is not complete, no further action is required for this pathway. If the pathway is complete and the maximum concentrations of all chemicals of concern do not exceed the Tier 1 levels for this pathway, no further action is required for this pathway.
}
\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
Utility company notification.
}
{\plain\f4\fs21\cf2\ulc2
The utility company which supplies water service to the area must be notified of all actual and potential water line impacts as soon as knowledge of a potential risk is determined.
}
\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
Corrective action response.
}
\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 actual receptors, if the Tier 1 levels are exceeded for this pathway, all water lines within 200 feet must be replaced with water line materials and gasket materials of appropriate construction in accordance with current department standards set forth in 567—Chapter 43 and with no less than nitrile or FKM gaskets or as otherwise approved by the department, or the water lines must be relocated beyond the 200-foot distance from the source. A Tier 2 assessment must be conducted for this pathway if lines are not replaced or relocated.
}
\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 potential receptors, upon utility company notification, no further action will be required for this pathway.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(9)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Soil to water line pathway assessment.
}
{\plain\f4\fs21\cf2\ulc2
This pathway addresses the potential for creating a drinking water ingestion risk due to contact with water lines and infusion into the drinking water.
}
\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
Pathway completeness and receptor 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
Actual receptors. This pathway is considered complete for an actual receptor if a water line exists within 200 feet of the 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
Potential receptors. This pathway is always considered complete for potential receptors.
}
\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
Pathway clearance.
}
{\plain\f4\fs21\cf2\ulc2
If the pathway is not complete for actual receptors, no further action is required for this pathway. If the pathway is complete for actual receptors and the maximum concentrations of all chemicals of concern do not exceed Tier 1 levels for this pathway, no further action is required. For potential receptors, upon utility company notification, no further action will be required for this pathway for potential receptors.
}
\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
Utility company notification.
}
{\plain\f4\fs21\cf2\ulc2
The utility company which supplies water service to the area must be notified of all actual and potential water line impacts as soon as knowledge of a potential risk is determined.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
For actual receptors, if the Tier 1 levels are exceeded for this pathway, all water lines within 200 feet must be replaced with water line materials and gasket materials of appropriate construction in accordance with current department standards set forth in 567—Chapter 43 and with no less than nitrile or FKM gaskets or as otherwise approved by the department, or the water lines must be relocated beyond the 200-foot distance from the source. Excavation of soils to below Tier 1 levels may be undertaken in accordance with 135.9(7)
}
{\plain\f4\fs21\i\cf2\ulc2
“h.”
}
{\plain\f4\fs21\cf2\ulc2
If none of these options is implemented, a Tier 2 assessment must be conducted for this pathway.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(10)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Surface water pathway assessment.
}
{\plain\f4\fs21\cf2\ulc2
This pathway addresses the potential for contaminated groundwater to impact surface water bodies creating risks to human health and aquatic life.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
This pathway is considered complete if a surface water body is present within 200 feet of the source. For purposes of Tier 1, surface water bodies include both general use segments and designated use segments as provided in 567—subrule 61.3(1).
}
\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
Receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
The Tier 1 levels for this pathway only apply to designated use segments of surface water bodies as provided in 567—subrules 61.3(1) and 61.3(5). The point of compliance is the source with the highest concentrations of chemicals of concern. General use segments of surface water bodies as provided in 567—paragraph 61.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
are only subject to the visual inspection criteria.
}
\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
Visual inspection requirements.
}
{\plain\f4\fs21\cf2\ulc2
A visual inspection of all surface water bodies within 200 feet of the source must be conducted to determine if there is evidence of a sheen on the water or there is evidence of petroleum residue along the bank. If a sheen or residue is evident or has been reported to be present, the groundwater professional must make a sufficient investigation to reasonably determine its source. If in the opinion of the groundwater professional, the sheen is not associated with the underground storage tank site, the professional must report and reasonably justify this opinion. If in the opinion of the groundwater professional the sheen is not a petroleum-regulated substance, a sample must be laboratory tested in accordance with 567—135.16(455B) to confirm it is not a petroleum-regulated substance.
}
\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
Pathway clearance.
}
{\plain\f4\fs21\cf2\ulc2
If the pathway is not complete or it is complete and the maximum concentrations of all chemicals of concern at the point of compliance do not exceed the Tier 1 levels and there is no petroleum sheen or residue attributable to the site, no further action is required for assessment of this pathway.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
If a Tier 1 level is exceeded for any chemical of concern for a designated use segment within 200 feet of the source, or the groundwater professional determines the presence of a petroleum-regulated substance sheen or residue, a Tier 2 assessment of this pathway must be conducted.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(11)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Tier 1 submission and review procedures.
}
\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
Within 90 calendar days of release confirmation or another reasonable period of time determined by the department, owners and operators must submit to the department a Tier 1 report in a format prescribed by the department and in accordance with these rules and the department Tier 1 guidance.
}
\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
If the owner or operator elects to prepare a Tier 2 site cleanup report instead of a Tier 1 assessment, the department must be notified in writing prior to the expiration of the Tier 1 submission deadline. The Tier 2 site cleanup report must be submitted to the department in accordance with rule 567—135.10(455B) within 180 calendar days of release confirmation or another reasonable period of time determined 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\cf2\ulc2
Tier 1 report completeness and accuracy. A Tier 1 report is considered to be complete if it contains all the information and data required by this rule and the department Tier 1 guidance. The report is accurate if the information and data is reasonably reliable based first on application of the standards in these rules and department guidance and second, generally accepted industry standards.
}
\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
The certified groundwater professional shall include the following certification with the Tier 1 site assessment report:
}
\par
\pard\qj\fi288\sl250\tx40\tx40
{\plain\f4\fs21\cf2\ulc2
I, __________________________________________, Groundwater Professional Certification No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
________________, am familiar with all applicable requirements of Iowa Code section 455B.474 and all rules and procedures adopted thereunder including, but not limited to, 567—Chapter 135 and the Department of Natural Resources Tier 1 guidance. Based on my knowledge of those documents and information I have prepared and reviewed regarding this site, UST Registration No.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
________________, LUST No.___________ I certify that this document is complete and accurate as provided in 567 IAC 135.9(11)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
and meets the applicable requirements of the Tier 1 site assessment.
}
\par
\pard\qj\fi288\sl250
{\plain\f4\fs21\cf2\ulc2
Signature:
}
\par
\pard\qj\fi288\sl250
{\plain\f4\fs21\cf2\ulc2
Date:
}
\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
Upon receipt of the groundwater professional’s certified Tier 1 report, the groundwater professional’s proposed site classification for the site shall be determinative unless, within 90 days of receipt, the department identifies material information in the report that is inaccurate or incomplete. Material information may be data found to be inaccurate or incomplete or a report that lacks information which, if correct and complete, would result in a different site classification than proposed by the certified groundwater professional. If the department determines that the site cleanup report is inaccurate or incomplete, the department shall notify the groundwater professional of the inaccurate or incomplete information within 90 days of receipt of the report and shall work with the groundwater professional and the party responsible for cleanup to obtain correct information or additional information necessary to appropriately classify the site. If the groundwater professional recommends proceeding to Tier 2, or a Tier 2 site cleanup report is required pursuant to 135.7(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“g,”
}
{\plain\f4\fs21\cf2\ulc2
135.8(5), or 567—135.9(455B), the groundwater professional’s site classification and pathway classification recommendations shall not be considered determinative until the Tier 2 report is submitted for review as provided in 135.10(11).
}
\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
If a “no action required” site classification is proposed, the department shall review the report in accordance with 135.12(6) and the review standards in paragraph 135.9(11)
}
{\plain\f4\fs21\i\cf2\ulc2
“e.”
}
\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\cf2\ulc2
From July 1, 2010, through June 30, 2011, the department shall have 120 days rather than 90 days as provided in paragraphs 135.9(11)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
to review and respond to the report.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.9(12)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Tier 1 site classification and corrective action response.
}
\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
No action required site classification. At Tier 1, a site is only eligible for a “no action required” classification. To be classified as no action required, each pathway must meet the requirements for pathway clearance as specified in this rule. If the department determines a no action required site classification is appropriate, a no further action certificate will be issued as provided in 135.12(10).
}
\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
Where an individual pathway or a chemical group meets the requirements for clearance but the site is not entitled to a no action required classification, only those pathways and chemical groups which do not meet the no further action requirements must be evaluated as part of a Tier 2 assessment as provided in rule 567—135.10(455B).
}
\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 monitoring and confirmation sampling. Compliance monitoring is not an acceptable corrective action at Tier 1. Except for soil gas sampling under 135.9(7), confirmation sampling to verify a sample does not exceed a Tier 1 level is not required. However, the department retains the authority to require confirmation sampling from existing groundwater monitoring wells if a no action required classification is being proposed at Tier 1 and the department has a reasonable basis to question the representative validity of the samples based on, for example, the seasonal bias of the sampling, evidence of multiple sources of releases, marginal groundwater monitoring well locations and analytical variability.
}
\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
Expedited corrective action.
}
{\plain\f4\fs21\cf2\ulc2
Expedited corrective action is permissible in accordance with 135.12(11).
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 7621B
}
{\plain\f4\fs16\cf2
, IAB 3/11/09, effective 4/15/09;
}
{\plain\f4\fs16\b\cf2
ARC 9011B
}
{\plain\f4\fs16\cf2
, IAB 8/25/10, effective 9/29/10;
}
{\plain\f4\fs16\b\cf2
ARC 9331B
}
{\plain\f4\fs16\cf2
, IAB 1/12/11, effective 2/16/11]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.10
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Tier 2 site assessment policy and procedure.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General conditions.
}
{\plain\f4\fs21\cf2\ulc2
A Tier 2 site assessment must be conducted and a site cleanup report submitted for all sites which have not obtained a no action required site classification and for all pathways and chemicals of concern groups that have not obtained no further action clearance as provided in 567—135.9(455B). If in the course of conducting a Tier 2 assessment, data indicates the conditions for pathway clearance under Tier 1 no longer exist, the pathway shall be further assessed under this rule. The Tier 2 assessment and report must be completed whenever free product is discovered as provided in 567—135.7(455B). If the owner or operator elects to complete the Tier 2 site assessment without doing a Tier 1 assessment, all the Tier 1 requirements as provided in 135.9(455B) must be met in addition to requirements under this rule.
}
\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
Guidance.
}
{\plain\f4\fs21\cf2\ulc2
The Tier 2 site assessment shall be conducted in accordance with the department’s “Tier 2 Site Assessment Guidance” and these rules. The site cleanup report shall be submitted on forms and in a format prescribed by this guidance. The Tier 2 data analysis shall be performed by using computer software developed by the department or by using the computer software’s hard-copy version.
}
\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
Classification.
}
{\plain\f4\fs21\cf2\ulc2
At Tier 2, individual pathways may be classified as high risk or low risk or no action required and separate classification criteria may apply to actual and potential receptors for any pathway. A single pathway may have multiple classifications based on actual or potential receptor evaluations. A pathway must meet both the criteria for actual and potential receptors for the pathway to obtain a classification of no action required. Sites may have multiple pathway classifications. For a site to obtain a no action required classification, all pathways must meet the individual pathway criteria for no action required classification.
}
\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
Public right-of-way.
}
{\plain\f4\fs21\cf2\ulc2
As a general rule, public right-of-way will not be considered an area of potential receptor exposure except for potential sanitary sewer evaluation under the soil and groundwater vapor pathways, subrules 135.10(6) and 135.10(7).
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General Tier 2 assessment procedures.
}
\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
Objectives.
}
{\plain\f4\fs21\cf2\ulc2
The objective of a Tier 2 assessment is to collect site-specific data and with the use of Tier 2 modeling determine what actual or potential receptors could be impacted by chemicals of concern and what concentrations at the source are predicted to achieve protection of these receptors. Both Tier 1 and Tier 2 are based on achieving similar levels of protection of human health, safety and the environment.
}
\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
Groundwater modeling.
}
{\plain\f4\fs21\cf2\ulc2
Tier 2 uses fate and transport models to predict the maximum distance groundwater contamination is expected to move and the distribution of concentrations of chemicals of concern within this area. The model is used for two basic purposes. One, it is used to predict at what levels of concentration contamination would be expected to impact actual and potential receptors. Two, it is used to determine a concentration at the source which if achieved, and after dispersion and degradation, would protect actual and potential receptors at the point of exposure. In predicting the transport of contaminants, the models assume the contaminant plume is at “steady state” such that concentrations throughout the plume have reached a maximum level and are steady or decreasing. The Tier 2 models are only designed to predict transport in a direct line between the source and downgradient to a receptor. In order to more reasonably define a modeled plume in all directions, paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“i”
}
{\plain\f4\fs21\cf2\ulc2
defines a method of decreasing modeled concentrations as a percentage of their distance in degrees from the downgradient direction.
}
\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
Soil vapor models.
}
{\plain\f4\fs21\cf2\ulc2
The soil vapor models are vertical transport models and do not use modeling to predict soil contaminant transport horizontally to receptors.
}
\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
Soil leaching to groundwater modeling.
}
{\plain\f4\fs21\cf2\ulc2
The soil leaching to groundwater model is a model that predicts the maximum concentrations of chemicals of concern that would be expected in groundwater due to vertical leaching from the area of maximum soil concentrations and then incorporates the groundwater transport models to predict contaminant transport through groundwater pathways.
}
\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
Modeling default parameters.
}
{\plain\f4\fs21\cf2\ulc2
The Tier 2 model formulas and applicable parameters are designated in Appendix B and must be followed unless otherwise specified in these rules. Unless otherwise specified, target levels at a point of exposure may be the Tier 1 level(s) or may be determined using site-specific parameters. The target level at a point of exposure is calculated using the Tier 1 formulas in Appendix A and either site-specific measurements or the default values for those parameters identified as “optional” and “site-specific” in Appendix B.
}
\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
Source width.
}
{\plain\f4\fs21\cf2\ulc2
The source width and source length are variables used in modeling and must be determined by the following criteria and as specified in the department’s Tier 2 guidance. The following are not to be used as criteria for defining the extent of the contaminant plumes.
}
\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
Source width (equals S
}
{\plain\f4\fs16\sub\cf2\ulc2
w
}
{\plain\f4\fs21\cf2\ulc2
in models) for groundwater transport modeling. The sum of group one chemical (benzene, toluene, ethylbenzene, xylenes or “BTEX”) concentrations for each groundwater sample is determined and the location of the sample with the maximum total BTEX is identified. Linear interpolation is used to estimate the area where groundwater concentrations would be expected to exceed 50 percent of the maximum BTEX value, and this area is considered for the source width measurement. The same procedure is used to determine source width for group two chemicals, using TEH in groundwater. The width of the groundwater contamination perpendicular to estimated groundwater flow direction (S
}
{\plain\f4\fs16\sub\cf2\ulc2
w
}
{\plain\f4\fs21\cf2\ulc2
) is determined, and the larger of either group one or group two chemicals is used in the groundwater transport model.
}
\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 width (S
}
{\plain\f4\fs16\sub\cf2\ulc2
w
}
{\plain\f4\fs21\cf2\ulc2
) and source length (equals W in models) for soil leaching to groundwater transport modeling. Both the source width perpendicular to the estimated groundwater flow direction (S
}
{\plain\f4\fs16\sub\cf2\ulc2
w
}
{\plain\f4\fs21\cf2\ulc2
) and the source length parallel to the estimated groundwater flow direction (W) are used in the soil leaching to groundwater model. The sum of BTEX concentrations for each soil sample is determined and the location of the sample with the maximum total BTEX is identified. Concentrations from both the vadose zone and the saturated zone must be considered when determining the maximum. Linear interpolation is used to estimate the area where soil concentrations would be expected to exceed 50 percent of the maximum BTEX value, and this area is considered for the source width and source length measurements. The same procedure is used to determine source width for group 2 chemicals, using TEH in soil. Source width and source length measurements for BTEX in groundwater are also taken following the same linear interpolation criteria in
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(1) above. The source width value used in the model is the greatest of either the soil source width measurements or the groundwater source width measurement. The source length value used in the model is the greatest of either of the soil source length measurements or the groundwater length 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
Estimating source width when free product is present. Groundwater from wells with free product must be analyzed for BTEX and the source width and source length are estimated using the criteria in 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(1) and 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(2) above. For those sites with approved site cleanup reports and free product present in wells but actual BTEX values are not available, source width and source length may be estimated in accordance with 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(1) and 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(2) using the default BTEX values for groundwater in 135.18(4) or estimated by using the area representing half the distance between wells with free product and wells without free product, whichever method is greater.
}
\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
Modeled simulation line.
}
{\plain\f4\fs21\cf2\ulc2
The simulation line represents the predicted maximum extent of groundwater contamination and distribution of contaminant concentrations between the source(s) and actual or potential receptor locations. The model calculates the simulation line using maximum concentrations at the source(s) and predicting the amount of dispersion and degradation. Modeled data in the simulation line are compared with actual field data to verify the predictive validity of the model and to make risk classification decisions.
}
\par
\pard\qj\sl250\tx340\tx680\tx40
{\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
Modeled site-specific target level (SSTL) line.
}
{\plain\f4\fs21\cf2\ulc2
The modeled SSTL line represents acceptable levels of contaminant concentrations at points between and including the source(s) and an applicable point(s) of exposure or other point(s) of compliance (ex.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
a potential receptor point of exposure). The SSTL line is calculated by assuming an applicable target level concentration at the point(s) of exposure or point(s) of compliance and modeling back to the source to determine the maximum concentrations at the source (SSTL) that must be achieved to meet the target level at the point of exposure or compliance. Comparison of field data to this SSTL line is used to determine a risk classification and determine appropriate corrective action response.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Crossgradient and upgradient modeling.
}
{\plain\f4\fs21\cf2\ulc2
In determining the SSTL line and the simulation line in directions other than downgradient, the modeled contaminant concentrations are applied to reduced distances, as specified in the “Tier 2 Guidance.” The modeled results are applied to 100 percent of the distance within an angle of 30 degrees on either side of the range of downgradient directions, as specified in Tier 2 guidance. The modeled results are applied to 20 percent of the distance in the upgradient direction and directly proportional distances between these two outer limits. If the groundwater gradient is less than 0.005 or the groundwater contaminant plume shows no definitive direction or shows directional reversals, the modeled concentrations are applied to 100 percent of the distance in all directions from the source. As the downgradient velocity increases, the upgradient modeled distance is reduced to less than 20 percent of the downgradient modeled distance.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
j.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Plume definition.
}
{\plain\f4\fs21\cf2\ulc2
The purpose of plume definition at Tier 2 is to obtain sufficient data to determine the impact on actual and potential receptors, to determine and confirm the highest levels of contamination, to verify the validity of the models, and to determine groundwater flow direction. The number and location of borings and monitoring wells and the specificity of plume definition will depend on the pathway or pathways being assessed and the actual or potential receptors of concern. Unless otherwise specified, groundwater and soil contamination shall be defined to Tier 1 levels for the applicable pathways. Linear interpolation between two known concentrations must be used to delineate plume extent. Samples with no concentrations detected shall be considered one-half the detection limit for interpolation purposes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
k.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
Unless a pathway has obtained clearance under Tier 1, each pathway must be evaluated at Tier 2. Pathways are generally considered complete (unless otherwise specified) and receptors affected if actual receptors or potential receptor points of exposure exist within the modeled contaminant plume using the modeled simulation line calculated to the applicable target level at a point of exposure. If the actual contaminant plume exceeds the modeled plume, the pathway is complete and must be evaluated if actual or potential points of exposure exist within a distance extending 10 percent beyond the edge of the defined plume.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
l.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Points of exposure and compliance.
}
{\plain\f4\fs21\cf2\ulc2
For actual receptors, the point(s) of exposure is the receptor. For potential receptors, the potential receptor point(s) of exposure is determined by using actual plume definition or the modeled simulation line to determine all points which exceed the target level(s) for potential receptors. The potential receptor point(s) of exposure is the location(s) closest to the source where a receptor could reasonably exist and which is not subject to an institutional control; for example, the source is the potential receptor point of exposure if not subject to an institutional control or an adjoining property boundary line if that property is not subject to an institutional control. At Tier 2, the point(s) of exposure or potential receptor point(s) of exposure is a point of compliance unless otherwise specified. Other points of compliance are specified by rules and will generally include all points along the SSTL line for purposes of pathway and site classification and corrective action response.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
m.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Group two chemicals.
}
{\plain\f4\fs21\cf2\ulc2
At Tier 2, chemical-specific values for the four chemicals may be used or the largest of the four TEH default values. (Refer to Appendix B and department Tier 2 guidance for using the TEH conversion method for modeling.) If chemical-specific values are used, the analytical method must be approved by the department prior to its use.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Bedrock assessment.
}
\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.
}
{\plain\f4\fs21\cf2\ulc2
As provided in 135.8(5), if bedrock is encountered before groundwater, special assessment procedures under this subrule apply. The Tier 2 assessment procedures apply to the extent they are not inconsistent with this subrule. The objectives of these special procedures are to avoid creating a preferential pathway for contamination through a confining layer to a bedrock aquifer; to avoid creating a preferential pathway to a fractured system, and to determine whether groundwater transport modeling can be used and, if not, what alternative procedures are required. The owner or operator may choose to conduct a Tier 3 assessment under 567—135.11(455B) as an alternative to proceeding under this subrule. For sites where bedrock is encountered before groundwater, there are three general categories of site conditions which determine the assessment procedures that apply:
}
\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
Nongranular bedrock. Nongranular bedrock is bedrock which is determined to not act as a granular aquifer as provided in subparagraph (2). Nongranular bedrock generally has some type of fractured system where groundwater transport modeling cannot be applied and which makes it difficult to define the extent of contamination.
}
\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 bedrock. Granular bedrock is bedrock which is determined to act as a granular aquifer and for which monitoring wells do not exist at the source as of August 15, 1996. For purposes of this rule, a granular aquifer is one that shows no extraordinary variations or inconsistencies in groundwater elevations across the site, groundwater flow, hydraulic conductivities, or total dissolved solid concentrations among monitoring wells. Although the extent of contamination can be defined in granular bedrock, groundwater transport modeling cannot be used because there are no monitoring wells at the source.
}
\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
Exempt granular bedrock. Exempt granular bedrock is bedrock which is determined to act as a granular aquifer as provided in subparagraph (2) and for which monitoring wells exist at the source as of August 15, 1996. Sites in exempt granular bedrock shall be evaluated using the normal Tier 1 or Tier 2 procedures in this rule. Nongranular bedrock is not exempt from this subrule even if groundwater monitoring wells exist at the 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
Exempt soil pathways.
}
{\plain\f4\fs21\cf2\ulc2
The soil vapor to enclosed space pathway and the soil to plastic water lines pathway shall be assessed under the normal Tier 2 procedures in subrules 135.10(7) and 135.10(9) respectively. In all cases, the normal assessment must comply with the policy of avoiding a preferential pathway to groundwater consistent with 135.8(5) and this subrule.
}
\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
Soil and groundwater assessment.
}
{\plain\f4\fs21\cf2\ulc2
The vertical and horizontal extent of soil contamination shall first be defined to Tier 1 levels for the soil leaching to groundwater pathway without drilling into bedrock. A minimum of three groundwater monitoring wells shall be located and installed between 50 to 100 feet beyond the soil contamination Tier 1 levels to avoid creating a preferential pathway. Analytical data as normally required by these rules and guidance must be obtained.
}
\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
Soil contamination remediation.
}
{\plain\f4\fs21\cf2\ulc2
For all sites where soil contamination exceeds the soil leaching to groundwater Tier 1 levels, soil excavation or other active soil remediation technology must be conducted in accordance with department guidance to reduce concentrations to below this Tier 1 level. Soil remediation monitoring must be conducted in accordance with 567—135.12(455B).
}
\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
Groundwater plume definition.
}
{\plain\f4\fs21\cf2\ulc2
If it is determined the groundwater acts in a manner consistent with a granular aquifer as provided in subparagraph
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(2) and guidance but does not meet the criteria for exemption under subparagraph
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(3), the plume must be defined. The policy of avoiding the creation of a preferential pathway to the bedrock aquifer in accordance with 135.8(5) must be followed.
}
\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
Soil leaching to groundwater ingestion pathway.
}
{\plain\f4\fs21\cf2\ulc2
Under this subrule, the soil leaching to groundwater pathway only need be evaluated in combination with the groundwater ingestion pathway. Because of the policies requiring soil remediation to the soil leaching to groundwater Tier 1 levels under paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“k,”
}
{\plain\f4\fs21\cf2\ulc2
the soil leaching pathway target levels applicable to other groundwater transport pathways and other soil pathways would not be exceeded. If a soil leaching to groundwater Tier 1 level is exceeded, the pathway is high risk.
}
\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
Special procedures for the groundwater ingestion pathway.
}
\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 protected groundwater source is assumed without measurements of hydraulic conductivity for all sites designated as granular or nongranular bedrock.
}
\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 well receptor evaluation for granular and nongranular bedrock designations. All drinking and non-drinking water wells within 1,000 feet of the source must be identified and tested for chemicals of concern. All public water supply systems within one mile of the source must be identified and raw water tested for chemicals of concern. If no drinking water wells are located within 1,000 feet of the source, all the area within 1,000 feet is considered a potential receptor point of exposure.
}
\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
Target levels. The following target levels apply regardless of granular aquifer designation. If drinking water wells are within 1,000 feet of the source, the applicable target level is the groundwater ingestion pathway Tier 1 level for actual receptors. If non-drinking water wells are within 1,000 feet of the source, the applicable target level is the groundwater ingestion pathway Tier 1 level for potential receptors. For potential wells, the applicable target level is the groundwater ingestion pathway Tier 1 level for potential receptors.
}
\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
Sentry well. If the Tier 1 level for actual receptors is exceeded at sites designated as granular bedrock and the receptor has not yet been impacted, a monitoring well shall be placed between the source and an actual receptor, outside the defined plume and approximately 200 feet from the actual receptor. For alternative well placement, the certified groundwater professional must provide justification and obtain department approval. This monitoring well is to be used for monitoring potential groundwater contamination of the receptor.
}
\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
High risk classification. A site where bedrock is encountered before groundwater shall be classified high risk for this pathway if any of the following conditions exist regardless of granular aquifer determination: The target level at any actual receptor is exceeded; drinking water well receptors are present within 1,000 feet and groundwater concentrations in any monitoring well exceed the groundwater ingestion Tier 1 level for actual receptors; non-drinking water wells are within 1,000 feet and groundwater concentrations in any monitoring well exceed the groundwater ingestion pathway Tier 1 level for potential receptors; or for sites designated nongranular bedrock, if groundwater concentrations for chemicals of concern from any public water system well within one mile of the source exceed 40 percent of the Tier 1 level for actual receptors, and groundwater concentrations in any monitoring well exceed the groundwater ingestion Tier 1 level for actual receptors. Corrective action shall be undertaken as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“k.”
}
\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
Low risk classification. Sites without an actual receptor within 1,000 feet shall be classified as low risk for this pathway if no high risk conditions exist, and the Tier 1 level for potential receptors is exceeded. The site is subject to monitoring as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“l.”
}
{\plain\f4\fs21\cf2\ulc2
If an actual receptor exists within 1,000 feet, a site designated as granular or nongranular bedrock shall be classified low risk for this pathway when soil contamination has been removed or remediated to below the soil leaching to groundwater Tier 1 levels, and all groundwater monitoring wells are non-detect or below the applicable target level for actual and potential receptors. A site may be reclassified to no action required for this pathway after all monitoring wells meet the exit monitoring criteria as specified in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“l.”
}
{\plain\f4\fs21\cf2\ulc2
(N
}
{\plain\f4\fs21\scaps\cf2\ulc2
ote
}
{\plain\f4\fs21\cf2\ulc2
: Exit monitoring is required because groundwater monitoring wells are not located at the source or if they are, the data is highly unreliable given the nature of bedrock.) If actual receptors do not exist or have been properly plugged and concentrations exceed the Tier 1 level for potential receptors, institutional controls and notification to permitting authorities may be employed in accordance with 135.10(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“i.”
}
{\plain\f4\fs21\cf2\ulc2
The institutional control must prohibit use of groundwater for 1,000 feet.
}
\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
Special procedures for the groundwater vapor to enclosed space pathway.
}
\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
Soil gas plume. Soil gas measurements must be taken regardless of granular aquifer determination and in accordance with Tier 2 guidance to determine a soil gas plume. Soil gas where practical should be measured at the soil-bedrock interface. At a minimum, soil gas must be measured at the suspected area of maximum contamination and near the three monitoring wells with the highest concentrations that exceed the Tier 1 level for the groundwater to enclosed space pathway. Where the plume has been defined, soil gas measurements should be taken near wells exceeding the Tier 1 level. Other soil gas measurements must be taken as needed to define the extent of contamination where soil gas measurements exceed the soil gas vapor target 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
The soil gas target levels are those defined in 135.10(7)
}
{\plain\f4\fs21\i\cf2\ulc2
“f.”
}
\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
High risk classification. A site designated as granular or nongranular bedrock shall be classified high risk for this pathway if an actual confined space receptor exists within 50 feet of the soil gas plume based on the soil gas target level as defined in 135.10(6).
}
\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
Low risk classification. A site designated as granular or nongranular bedrock shall be classified as low risk for this pathway if the soil gas exceeds the vapor target level at any point and no actual confined space receptors exist within 50 feet of the soil gas contaminant plume.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Special procedure for the groundwater to water line pathway.
}
\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
Target level. The applicable target level is the Tier 1 level for the specific type of water line.
}
\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
High risk classification. A site designated as granular or nongranular bedrock shall be classified high risk for this pathway if the highest groundwater elevation is higher than three feet below the bottom of a water line as provided in 135.10(8)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
(1), risk classification cannot be determined as provided in 567—135.12(455B) due to limitations on placement of monitoring wells, and water lines exist within 200 feet of a monitoring well which exceeds the Tier 1 level.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
j.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Special procedures for the surface water pathway.
}
{\plain\f4\fs21\cf2\ulc2
Any surface water body within 200 feet of the source must be evaluated under the following for sites designated as granular or nongranular bedrock. The provisions of 135.10(10) apply to the extent they are not inconsistent with the following, including the visual inspection 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
Point of compliance. The monitoring well closest to the surface water body must be used as the point of compliance to evaluate impacts to designated use segments as described in 135.10(10) and for general use segments that fail the visual inspection criteria of 135.10(10)
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
If the surface water criteria is exceeded for a designated use segment, an allowable discharge concentration must be calculated and met at the point of compliance. For general use segments failing the visual inspection criteria, the acutely toxic target level must be met at the point of compliance.
}
\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
High risk classification. A site designated as granular or nongranular bedrock shall be classified high risk for this pathway if the surface water body is within 200 feet of the source, risk classification cannot be determined as per 567—135.12(455B) due to limitations on placement of monitoring wells, and the monitoring well closest to the designated use segment exceeds the allowable discharge concentration. A general use segment failing the visual inspection criteria is high risk if, after the sheen is removed, the monitoring well closest to the general use segment exceeds the acutely toxic target 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
Low risk classification. If the allowable discharge concentration is not exceeded at the point of compliance, the site shall be classified as low risk for this pathway and subject to monitoring under paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“l.”
}
{\plain\f4\fs21\cf2\ulc2
The monitoring well closest to the receptor shall serve as the sentry well for monitoring purposes.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
k.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
High risk corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators have the option to conduct a Tier\~3 assessment in accordance with 567—135.11(455B).
}
\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 ingestion pathway. For high risk sites, where soil exceeds the soil leaching to groundwater Tier 1 level for actual receptors, soil excavation or other active remediation of soils must be conducted in accordance with department guidance to reduce soil concentrations below the soil leaching Tier 1 level. Corrective action other than monitoring of groundwater is required at sites designated as nongranular bedrock if the actual receptor has been or is likely to be impacted. Corrective action other than monitoring of groundwater is required at sites designated as granular bedrock if the actual receptor has been impacted or the sentry well required by 135.10(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
(4) has been impacted above Tier 1 levels. Acceptable corrective action for impacted or vulnerable groundwater wells may include active remediation, technological controls, institutional controls, well plugging, relocation, and well reinstallation with construction measures sufficient to prevent contaminant infiltration to the well and to prevent formation of a preferential pathway.
}
\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 ingestion pathway high risk monitoring. For high risk sites designated as nongranular or granular bedrock, if the soil concentrations do not exceed the soil leaching to groundwater Tier 1 levels or have been reduced to this level by corrective action, and corrective action of groundwater is not required as in subparagraph (1), these sites shall be subject to groundwater monitoring as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“l.”
}
{\plain\f4\fs21\cf2\ulc2
Corrective action other than monitoring of groundwater is required at sites designated as granular bedrock if groundwater concentrations exceed the applicable target level less than 200 feet from an actual receptor. Reevaluation of the potential for impact to actual receptors is required at sites designated as nongranular bedrock if concentrations from monitoring wells increases more than 20 percent of the previous samples.
}
\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 water line pathways. For high risk sites, active remediation must be conducted to reduce concentrations below the applicable target levels, or water lines and gaskets must be replaced or relocated, including the use of institutional and technological controls. If lines are polybutylene, polyethylene, or asbestos-cement, the lines must be removed or relocated. All water lines that are replaced must be replaced with water line materials and gasket materials of appropriate construction in accordance with current department standards set forth in 567—Chapter 43 and with no less than nitrile or FKM gaskets or as otherwise 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
Other pathways. For high risk sites other than groundwater ingestion and water lines, active remediation must be conducted to reduce concentrations below the applicable target levels including the use of institutional and technological controls.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
l.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Monitoring.
}
{\plain\f4\fs21\cf2\ulc2
For high and low risk sites, annual monitoring at a minimum is required as specified below, and potential receptor status for low risk sites must be confirmed. Annual monitoring may be used to meet the exit requirements for no action required classification in accordance with paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“m.”
}
\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 in nongranular bedrock designations. All groundwater monitoring wells must be monitored at least annually.
}
\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 in granular bedrock designations. The following monitoring wells must be monitored at least annually: a well with detected levels of contamination closest to the leading edge of the groundwater plume between the source and the receptor, and a sentry well with concentrations below the applicable target level consistent with subparagraph
}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
(4) and paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“j.”
}
\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
Soil gas. For sites where the soil gas target level is exceeded, annual monitoring of soil gas is required at the suspected area of maximum contamination and between the soil gas plume and any actual receptors within 100 feet of the soil gas plume.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
m.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
No action required classification.
}
{\plain\f4\fs21\cf2\ulc2
A site may be given a no action required classification after conducting a Tier 2 assessment as provided in this subrule if maximum soil concentrations do not exceed the Tier 1 levels for the soil leaching pathway, and if groundwater exit monitoring criteria and soil gas confirmation sampling are met as 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
Groundwater in nongranular bedrock designations. Exit monitoring requires that samples from all groundwater monitoring wells must not exceed the applicable target levels for annual sampling for three consecutive 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
Groundwater in granular bedrock designations. Exit monitoring must be met in two ways: A monitoring well between the source and the receptor must not exceed applicable target levels for three sampling events, and samples must be separated by at least six months; and the three most recent consecutive groundwater samples from a monitoring well between the source and the receptor with detected levels of contamination must show a steady or declining trend and meet the following criteria: The first of the three samples must be more than detection limits, concentrations cannot increase more than 20 percent from the first of the three samples to the third sample; concentrations cannot increase more than 20 percent of the previous sample; and samples must be separated by at least six months.
}
\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
Soil gas. Confirmation sampling for soil gas must be conducted as specified in 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
n.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
After receiving a no action required classification, all monitoring wells must be properly plugged in accordance with 567—Chapters 39 and 49.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Groundwater ingestion pathway assessment.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
Unless cleared at Tier 1, this pathway is complete and must be evaluated under any of the following conditions: (1) the first encountered groundwater is a protected groundwater source; or (2) there is a drinking water well or a non-drinking water well within the modeled groundwater plume or the actual plume as provided in 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“j”
}
{\plain\f4\fs21\cf2\ulc2
and 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“k.”
}
\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
Receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
All drinking and non-drinking water wells located within 100 feet of the largest actual plume (defined to the appropriate target level for the receptor type) must be tested, at a minimum, for chemicals of concern as part of the receptor evaluation. Actual plumes refer to groundwater plumes for all chemicals of concern. Untreated or raw water must be collected for analysis unless it is determined to be infeasible or impracticable.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
All existing drinking water wells and non-drinking water wells within the modeled plume or the actual plume as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
must be evaluated as actual receptors. Potential receptors only exist if the groundwater is a protected groundwater source. Potential receptor points of exposure are those points within the modeled plume or actual plume that exceed the potential point of exposure target level. The point(s) of compliance for actual receptor(s) is the receptor. The point(s) of compliance for potential receptor(s) is the potential receptor point of exposure as provided in 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“j”
}
{\plain\f4\fs21\cf2\ulc2
and 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“k.”
}
\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
Target levels.
}
{\plain\f4\fs21\cf2\ulc2
For drinking water wells, the target level at the point(s) of exposure is the Tier 1 level for actual receptors. For non-drinking water wells, the target level at the point(s) of exposure is the Tier 1levels for potential receptors. For potential receptors, the target level at the potential receptor point(s) of exposure is the Tier 1 level for potential receptors.
}
\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
The soil leaching to groundwater pathway must be evaluated in accordance with 135.9(5) if this pathway is complete.
}
\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
Modeling.
}
{\plain\f4\fs21\cf2\ulc2
At Tier 2, the groundwater well located within the modeled plume is assumed to be drawing from the contaminated aquifer, and the groundwater transport model is designed to predict horizontal movement to the well. If the groundwater professional determines that assessment of the vertical movement of contamination is advisable to determine the potential or actual impact to the well source, a Tier 3 assessment of this vertical pathway may be conducted. The groundwater professional shall submit a work plan to the department specifying the assessment methods and objectives for approval in accordance with 135.11(455B). Factors which should be addressed include, but are not limited to, well depth and construction, radius of influence, hydrogeologic separation of aquifer, preferential pathways, and differing water quality characteristics.
}
\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
Public water supply well assessment.
}
{\plain\f4\fs21\cf2\ulc2
Rescinded IAB 3/11/09, effective 4/15/09.
}
\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
Plume definition.
}
{\plain\f4\fs21\cf2\ulc2
The groundwater plume shall be defined to the applicable Tier 1 level for actual receptors except, where there are no actual receptors and the groundwater is a protected groundwater source, the plume shall be defined to the Tier 1 level for potential receptors.
}
\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
Pathway classification.
}
{\plain\f4\fs21\cf2\ulc2
This pathway shall be classified as high risk, low risk or no action required in accordance with 567—135.12(455B).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
Corrective action must be conducted in accordance with 567—135.12(455B). Abandonment and plugging of wells in accordance with 567—Chapters 39 and 49 is an acceptable corrective action response.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
j.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Use of institutional controls.
}
{\plain\f4\fs21\cf2\ulc2
The use of institutional controls may be used to obtain no action required pathway classification. If the pathway is complete and the concentrations exceed the applicable Tier 1 level(s) for actual receptors, the drinking or non-drinking water well must be properly plugged in accordance with 567—Chapters 39 and 49 and the institutional control must prohibit the use of a protected groundwater source (if one exists) within the actual or modeled plume as provided in 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“j”
}
{\plain\f4\fs21\cf2\ulc2
and 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“k.”
}
{\plain\f4\fs21\cf2\ulc2
If the Tier 1 level is exceeded for potential receptors, the institutional control must prohibit the use of a protected groundwater source within the actual or modeled plume, whichever is greater. If concentrations exceed the Tier 1 level for drinking water wells and the groundwater is a protected groundwater source, the owner or operator must provide notification of the site conditions on a department form to the department water supply section, or if a county has delegated authority, then the designated county authority responsible for issuing private water supply construction permits or regulating non-public water well construction as provided in 567—Chapters 38 and 49.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
k.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Notification of well owners.
}
{\plain\f4\fs21\cf2\ulc2
Upon receipt of a Tier 2 site cleanup report and as soon as practicable, the department shall notify the owner of any public water supply well identified within the Tier 2 site cleanup report that a leaking underground storage tank site is within 2,500 feet and an assessment has been performed.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Soil leaching to groundwater pathway assessment.
}
\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.
}
{\plain\f4\fs21\cf2\ulc2
The soil leaching to groundwater pathway is evaluated using a one-dimensional model which predicts vertical movement of contamination through soil to groundwater and transported by the groundwater to a receptor. The model is used to predict the maximum concentrations of chemicals of concern that would be present in groundwater beneath a source which is representative of residual soil contamination and maximum soil concentrations. The predicted groundwater concentrations then must be used as a groundwater source concentration to evaluate its impact on other groundwater transport pathways, including the groundwater ingestion pathway, the groundwater vapor pathway, the groundwater water line pathway and the surface water pathway.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
This pathway is complete whenever a groundwater transport pathway is complete as provided in this rule.
}
\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
Plume definition.
}
{\plain\f4\fs21\cf2\ulc2
The soil plume shall be defined to the Tier 1 levels for the soil leaching to groundwater pathway.
}
\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
Receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
Receptors for this pathway are the same as the receptors for each complete groundwater transport pathway.
}
\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
Modeling and target levels.
}
{\plain\f4\fs21\cf2\ulc2
The soil and groundwater parameters shall be measured as provided in 135.10(2).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
The soil leaching to groundwater model shall be used to calculate the predicted groundwater source concentration. Each applicable groundwater transport pathway model shall then be used in accordance with the rules for that pathway to predict potential impact to actual receptors, the location of potential receptor points of exposure and the site-specific target level (SSTL) in groundwater at the source. This SSTL then is used to calculate a SSTL for soil at the source. If the soil concentrations exceed the SSTL for soil, corrective action response shall be evaluated.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
If the maximum soil concentration at the source exceeds the SSTL for soil for actual or potential receptors, corrective action must be taken in accordance with 567—135.12(455B).
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Groundwater vapor to enclosed space pathway assessment.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
Unless cleared at Tier 1, this pathway is always considered complete for purposes of Tier 2.
}
\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
Explosive vapor survey.
}
{\plain\f4\fs21\cf2\ulc2
If an explosive vapor survey has not been conducted as part of a Tier 1 assessment, an explosive vapor survey of enclosed spaces must be conducted during the Tier 2 assessment in accordance with 135.9(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
and procedures outlined in the department’s Tier 1 guidance.
}
\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
Confined space receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
Actual and potential receptors are evaluated at Tier 2 for this pathway.
}
\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
Actual receptors. An existing confined space within the modeled groundwater plume or the actual groundwater plume as provided in 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“j”
}
{\plain\f4\fs21\cf2\ulc2
and 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“k”
}
{\plain\f4\fs21\cf2\ulc2
is an actual receptor. For the purpose of Tier 2, a confined space is a basement in a building occupied by humans. Buildings constructed with a concrete slab on grade or buildings constructed without a concrete slab, but with a crawl space are not considered confined spaces. Sanitary sewers are considered confined space receptors and preferential pathways if an occupied building exists within 200 feet of where the sewer line crosses over or through actual or modeled groundwater contamination which exceeds the target levels calculated for sewers. The sanitary sewer includes its utility envelope. The point of exposure is the receptor and points of compliance include the locations where target level measurements may be taken as provided in paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“g.”
}
\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
Potential receptors. Potential receptors are confined spaces that do not presently exist but could exist in the future. Areas within the actual groundwater plume perimeter or modeled groundwater plume perimeter are considered potential receptor points of exposure. Potential receptors are evaluated and target levels established based on the current zoning as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“f.”
}
{\plain\f4\fs21\cf2\ulc2
The potential receptor point of exposure is a point of compliance.
}
\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
Owners and operators may be required to address vapor inhalation hazards in occupied spaces other than confined spaces as defined in these rules when evidence arises which would give the department a reasonable basis to believe vapor hazards are present or may occur.
}
\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
Plume definition.
}
\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 soil plume must be defined in accordance with 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
for the purposes of estimating source width and source length used in soil leaching to groundwater and groundwater transport models.
}
\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 groundwater plume must be defined to the target levels derived from site-specific data as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“f.”
}
\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
Target levels.
}
{\plain\f4\fs21\cf2\ulc2
Target levels can be based on groundwater concentrations, soil gas measurements, and indoor vapor measurements as provided 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 actual receptors and potential receptors, groundwater modeling as provided in 135.10(2) is used to calculate the groundwater concentration target level at the point of exposure. Default residential exposure factors, default residential building parameters, and a target risk of 10
}
{\plain\f4\fs16\super\cf2\ulc2
-4
}
{\plain\f4\fs21\cf2\ulc2
are used to determine target levels for actual receptors and potential receptor points of exposure in residential areas and areas with no zoning. Default nonresidential exposure factors, default nonresidential building parameters, and a target risk of 10
}
{\plain\f4\fs16\super\cf2\ulc2
-4
}
{\plain\f4\fs21\cf2\ulc2
are used to determine target levels for actual receptors and potential receptor points of exposure in nonresidential areas. Default values are provided in Appendices A and 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
For actual receptors, the indoor vapor target levels are designated in 135.10(7)
}
{\plain\f4\fs21\i\cf2\ulc2
“f.”
}
{\plain\f4\fs21\cf2\ulc2
For actual and potential receptors, the soil gas target levels are designated in 135.10(7)
}
{\plain\f4\fs21\i\cf2\ulc2
“f.”
}
\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
Sanitary sewers are treated as human health receptors, and groundwater concentration target levels at the point of exposure are based on the application of a target risk of 2 x 10
}
{\plain\f4\fs16\super\cf2\ulc2
-4
}
{\plain\f4\fs21\cf2\ulc2
for carcinogens and a hazard quotient of 2 for noncarcinogens.
}
\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
Pathway evaluation and classification.
}
{\plain\f4\fs21\cf2\ulc2
Upon completion of analysis of field data and modeled data, the pathway must be classified high risk, low risk or no further action as provided in 567—135.12(455B).
}
\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
Actual receptors. If it can be demonstrated that the groundwater plume has reached steady state concentrations under a confined space, indoor vapor measurements at the point(s) of exposure and soil gas measurements at an alternative point(s) of compliance may be used for the pathway evaluation. When assessing sanitary sewers for pathway clearance, soil gas measurements may be evaluated against the soil gas target levels; however, indoor vapor cannot be used as criteria for pathway clearance. Soil gas measurements shall be taken and analyzed in accordance with 135.16(5) and the department’s Tier 2 guidance, and at locations in the plume where measured groundwater concentrations exceed the levels which are projected by modeling to exist beneath the actual receptor. If measured groundwater concentrations beneath the actual receptor exceed the levels projected from modeling, then the soil gas measurements may be taken either adjacent to the actual receptor in areas expected to exhibit the greatest soil gas measurements or at an alternative point of compliance between the source and receptor where the actual groundwater concentrations exceed the groundwater concentrations which exist beneath the confined space. If the soil gas measurements and confirmation samples taken in accordance with 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
do not exceed the soil gas target levels, the pathway as to actual receptors shall be classified no action required. If the soil gas target levels are exceeded, either the pathway shall be classified high risk, or indoor vapor measurements may be taken in accordance with the department’s Tier 2 guidance. If indoor vapor measurements and confirmation samples do not exceed the indoor vapor target levels, the pathway as to actual confined space receptors shall be classified no action required. If the Tier 1 indoor vapor target levels are exceeded, the pathway shall be classified high risk.
}
\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
Potential receptors. If the potential receptor groundwater concentration target level(s) is exceeded at any potential receptor point of exposure based on actual data or modeling, the pathway shall be classified low risk. However, if soil gas measurements taken at the potential receptor point(s) of exposure and alternate point(s) of compliance and confirmation samples do not exceed the target levels in 135.10(7)
}
{\plain\f4\fs21\i\cf2\ulc2
“f,”
}
{\plain\f4\fs21\cf2\ulc2
the pathway, as to potential receptors, shall be classified no action required. If the target level(s) for potential sanitary sewer receptors is exceeded, the pathway shall be classified as low risk. Where the area of potential receptor exposure includes public right-of-way, the pathway may be classified as no action required if the owner or operator provides sufficient documentation to establish that there are no foreseeable plans for construction of sanitary sewers through the area of potential receptor exposure. The municipal authority must acknowledge consent to the no action required classification whenever target levels are exceeded. If the municipal authority reports that it has confirmed plans for construction of sanitary sewers through the area of potential receptor exposure, the pathway shall be reevaluated as an actual receptor.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
Unless the pathway is classified as no action required, corrective action for this pathway must be conducted as provided in 567—135.12(455B). Actual receptors are subject to corrective actions which: (1) reduce groundwater concentrations beneath the enclosed space to below the target level; (2) reduce the measured soil gas levels to below the soil gas target levels; (3) reduce the indoor vapor concentrations to below the indoor vapor target level; or (4) reduce the vapor level to below 10 percent of the lower explosive limit (LEL), if applicable. Potential receptors are subject to the monitoring requirements in 135.12(5). Soil vapor monitoring may be conducted in lieu of groundwater monitoring for this pathway. Institutional or technological controls as provided in 567—135.12(455B) may be used.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Municipal authority notification for potential sewer receptors.
}
{\plain\f4\fs21\cf2\ulc2
The municipal authority responsible for sewer construction must be notified of the environmental conditions whenever target level(s) is exceeded for potential sanitary sewers. The notification must show the area where groundwater concentrations and soil gas samples exceed target levels. The owner or operator must acknowledge what plans, if any, exist for construction of sanitary sewers through the area of potential receptor exposure.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Soil vapor to enclosed space pathway assessment.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
Unless cleared at Tier 1, this pathway is always considered complete for purposes of Tier 2.
}
\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
Explosive vapor survey.
}
{\plain\f4\fs21\cf2\ulc2
If an explosive vapor survey has not been conducted as part of a Tier 1 assessment, an explosive vapor survey of enclosed spaces must be conducted during the Tier 2 assessment in accordance with 135.9(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“b”
}
{\plain\f4\fs21\cf2\ulc2
and procedures outlined in the department’s Tier 1 guidance.
}
\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
Confined space receptor evaluation.
}
{\plain\f4\fs21\cf2\ulc2
Actual and potential receptors are evaluated at Tier 2 for this pathway.
}
\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
Actual receptors. An existing confined space within 50 feet of the edge of the plume is an actual receptor. For the purpose of Tier 2, a confined space is a basement in a building occupied by humans. Buildings constructed with a concrete slab on grade or buildings constructed without a concrete slab, but with a crawl space are not considered receptors. Sanitary sewers are considered confined space receptors and preferential pathways if an occupied building exists within 200 feet of where the sewer line crosses over or through soil contamination which exceeds the target levels calculated for sewers. The sanitary sewer includes its utility envelope. The point of exposure is the receptor and points of compliance include the locations where target level measurements may be taken as provided in paragraphs
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“g.”
}
\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
Potential receptors. Potential receptors are confined spaces that do not presently exist but could exist in the future. Areas where soil concentrations are greater than the Tier 1 level applicable to residential areas or alternative target levels for nonresidential areas as specified in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
are considered potential receptor points of exposure. Potential receptors are evaluated and target levels established based on the current zoning. An area with no zoning is considered residential. The potential receptor point of exposure is a point of compliance.
}
\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
Owners and operators may be required to address vapor inhalation hazards in occupied spaces other than confined spaces as defined in these rules when evidence arises which would give the department a reasonable basis to believe vapor hazards are present or may occur.
}
\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
Plume definition.
}
{\plain\f4\fs21\cf2\ulc2
The soil plume must be defined to the Tier 1 level for this pathway unless vapor measurements taken at the area(s) with the maximum levels of soil contamination do not exceed the soil gas target level in 135.10(7)
}
{\plain\f4\fs21\i\cf2\ulc2
“f.”
}
{\plain\f4\fs21\cf2\ulc2
If soil gas measurements taken from the area(s) of maximum soil concentration do not exceed target levels, confirmation sampling must be conducted in accordance with 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
prior to proposing a no action pathway classification.
}
\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
Target levels.
}
{\plain\f4\fs21\cf2\ulc2
Target levels can be based on soil concentrations, soil gas measurements, and indoor vapor measurements as provided 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 actual receptors, the soil concentration target level is the Tier 1 level. For potential receptors, the soil concentration target level for residential areas and areas with no zoning is the Tier 1 level. For areas zoned nonresidential, the target level is calculated using the default nonresidential exposure factors and building parameters from Appendix A and a target risk of 10
}
{\plain\f4\fs16\super\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
The following indoor vapor target levels apply to actual receptors other than sanitary sewers and the soil gas target levels apply to all actual and potential receptors. These levels were derived from the ASTM indoor air inhalation and the soil vapor to enclosed space models designated in Appendix A.
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1080
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\b\cf2\ulc2
Indoor Vapor (
}
{\plain\f4\fs18\cf2\ulc2
\u956?
}
{\plain\f4\fs18\b\cf2\ulc2
g/m
}
{\plain\f4\fs14\b\super\cf2\ulc2
3
}
{\plain\f4\fs14\b\sub\cf2\ulc2
air
}
{\plain\f4\fs18\b\cf2\ulc2
)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\b\cf2\ulc2
Soil Gas (
}
{\plain\f4\fs18\cf2\ulc2
\u956?
}
{\plain\f4\fs18\b\cf2\ulc2
g/m
}
{\plain\f4\fs14\b\super\cf2\ulc2
3
}
{\plain\f4\fs18\b\cf2\ulc2
)
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1080
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Benzene
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
39.2
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
600,000
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1080
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Toluene
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
555
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
9,250,000
}
\cell
\row
\pard\sb180\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
Sanitary sewers are treated as human health receptors, and soil concentration target levels at the point of exposure are based on application of a target risk of 2 x 10
}
{\plain\f4\fs16\super\cf2\ulc2
-4
}
{\plain\f4\fs21\cf2\ulc2
for carcinogens and hazard quotient of 2 for noncarcinogens.
}
\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
Pathway evaluation and 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
Actual receptors. Confined space receptors may be evaluated using soil gas measurements and indoor vapor measurements. When assessing sanitary sewers for pathway clearance, soil gas measurements may be evaluated against the soil gas target levels, however, indoor vapor cannot be used as criteria for pathway clearance. Soil gas measurements shall be taken adjacent to the actual receptor or at an alternative point of compliance between the source and receptor such as the property boundary, and in accordance with 135.16(5) and the department’s Tier 2 guidance. If the soil gas measurements and confirmation samples taken in accordance with 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
do not exceed the soil gas target levels, the pathway as to actual receptors shall be classified no action required. If the soil gas target levels are exceeded, either the pathway shall be classified high risk, or indoor vapor measurements may be taken in accordance with the department’s Tier 2 guidance. If indoor vapor measurements and confirmation samples do not exceed the indoor vapor target levels, the pathway as to actual receptors shall be classified no action required. If the indoor vapor target levels are exceeded, the pathway shall be classified high risk.
}
\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
Potential receptors. If the potential receptor target level(s) based on soil concentrations is exceeded at any potential receptor point of exposure, the pathway shall be classified low risk. However, if soil gas measurements taken at the potential receptor point(s) of exposure and alternate point(s) of compliance and confirmation samples do not exceed the target levels in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“f,”
}
{\plain\f4\fs21\cf2\ulc2
the pathway shall be classified no action required as to potential receptors. If the target level(s) for potential sanitary sewer receptors is exceeded, the pathway shall be classified as low risk. Where the area of potential receptor exposure includes public right-of-way, the pathway may be classified as no action required if the owner or operator provides sufficient documentation to establish that there are no foreseeable plans for construction of sanitary sewers through the area of potential receptor exposure. The municipal authority must acknowledge consent to the no action required classification whenever target levels are exceeded. If the municipal authority reports that it has confirmed plans for construction of sanitary sewers through the area of potential receptor exposure, the pathway shall be reevaluated as an actual receptor.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
Unless the pathway is classified as no action required, corrective action for this pathway must be conducted as provided in 567—135.12(455B) and in accordance with department Tier 2 guidance. Actual receptors are subject to corrective actions which: (1) reduce the indoor vapor concentrations to below the target level; (2) reduce measured soil gas levels to below the soil gas target levels; and (3) if applicable, reduce the vapor level to below 10 percent of the lower explosive limit (LEL). Potential receptors are subject to monitoring requirements as provided in 135.12(5). Soil vapor monitoring may be conducted in lieu of soil monitoring for this pathway. Institutional or technological controls as provided in 567—135.12(455B) may be used.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
Municipal authority notification for potential sewer receptors.
}
{\plain\f4\fs21\cf2\ulc2
The municipal authority responsible for sewer construction must be notified of the environmental conditions whenever target level(s) is exceeded for potential sanitary sewers. The notification must show the area where soil concentrations and soil gas samples exceed target levels. The owner or operator must acknowledge what plans, if any, exist for construction of sanitary sewers through the area of potential receptor exposure.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Groundwater to water line pathway assessment.
}
\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
Pathway completeness and receptor 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
Actual receptors include all water lines where the highest groundwater elevation is higher than three feet below the bottom of the water line at the measured or predicted points of exposure. The highest groundwater elevation is the estimated average of the highest measured groundwater elevations for each year. All water lines must be evaluated for this pathway regardless of distance from the source and regardless of the Tier 1 evaluation, if the lines are in areas with actual data above the applicable Tier 1 level and modeled data above the SSTL line. If actual data exceeds modeled data, then all water lines are considered actual receptors if they are within a distance extending 10 percent beyond the edge of the contaminant plume defined by the actual data.
}
\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
Potential receptors include all areas where the first encountered groundwater is less than 20 feet deep and where actual data or modeled data are above Tier 1 levels.
}
\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 point(s) of exposure is the water line, and the points of compliance are monitoring wells between the source and the water line which would be effective in monitoring whether the line has been or may be impacted by chemicals of concern.
}
\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
Plume definition.
}
{\plain\f4\fs21\cf2\ulc2
If this pathway is complete for an actual receptor, the groundwater plume must be defined to the Tier 1 levels, with an emphasis between the source and any actual water lines. The water inside the water lines shall be analyzed for all chemicals of concern.
}
\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
Target levels.
}
{\plain\f4\fs21\cf2\ulc2
Groundwater modeling as provided in 135.10(2) must be used to calculate the projected concentrations of chemicals of concern and site-specific target levels. The soil leaching to groundwater pathway must be evaluated to ensure contaminated soil will not cause future groundwater concentrations to exceed site-specific target levels. The target level at the point(s) of exposure is the Tier 1 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
Pathway classification.
}
{\plain\f4\fs21\cf2\ulc2
Upon completion of analysis of field data and modeled data, the pathway must be classified high risk, low risk or no further action as provided in 567—135.12(455B). The water quality inside the water lines is not a criterion for clearance of this pathway.
}
\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
Utility company notification.
}
{\plain\f4\fs21\cf2\ulc2
The utility company which supplies water service to the area must be notified of all actual and potential water line impacts as soon as knowledge of a potential risk is determined. If the extent of contamination has been defined, this information must be included in utility company notification, and any previous notification made at Tier 1 must be amended to include this information.
}
\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
Corrective action response.
}
\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 actual receptors, unless the pathway is classified as no further action, corrective action for this pathway must be conducted as provided in 567—135.12(455B). If the concentrations of chemicals of concern in a water line exceed the Tier 1 levels for actual receptors for the groundwater ingestion pathway, immediate corrective action must be conducted to eliminate exposure to the water, including but not limited to replacement of the line with an approved material.
}
\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 potential receptors, upon utility company notification, no further action will be required for this pathway for potential receptors.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(9)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Soil to water line pathway assessment.
}
\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
Pathway completeness and receptor 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
Actual receptors include all water lines within ten feet of the soil plume defined to the Tier 1 level. All water lines must be evaluated for this pathway regardless of distance from the source if the lines are in areas where Tier 1 levels are 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
Potential receptors include all areas where Tier 1 levels are exceeded.
}
\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
Plume definition.
}
{\plain\f4\fs21\cf2\ulc2
The extent of soil contamination must be defined to Tier 1 levels for the chemicals of concern.
}
\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
Target level.
}
{\plain\f4\fs21\cf2\ulc2
The point(s) of exposure includes all areas within ten feet of the water line. The target level at the point(s) of exposure is the Tier 1 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
Pathway classification.
}
{\plain\f4\fs21\cf2\ulc2
Upon completion of analysis of field data, the pathway must be classified high risk, low risk or no further action as provided in 567—135.12(455B). Measurements of water quality inside the water lines may be required, but are not allowed as criteria to clear this pathway.
}
\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
Utility company notification.
}
{\plain\f4\fs21\cf2\ulc2
The utility company which supplies water service to the area must be notified of all actual and potential water line impacts as soon as knowledge of the potential risk is determined. If the extent of contamination has been defined, this information must be included in utility company notification, and any previous notification made at Tier 1 must be amended to include this information.
}
\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
Corrective action response.
}
\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 actual receptors, unless the pathway is classified as no further action, corrective action for this pathway must be conducted as provided in 567—135.12(455B).
}
\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 potential receptors, upon utility company notification, no further action will be required for this pathway for potential receptors.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(10)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Surface water pathway assessment.
}
\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
Pathway completeness.
}
{\plain\f4\fs21\cf2\ulc2
Unless maximum concentrations are less than the applicable Tier 1 levels, this pathway is complete and must be evaluated under any of the following conditions: (1) there is a designated use surface water within the modeled groundwater plume or the actual plume as provided in 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
and 135.10(2)
}
{\plain\f4\fs21\i\cf2\ulc2
“g”
}
{\plain\f4\fs21\cf2\ulc2
; or (2) any surface water body which failed the Tier 1 visual inspection as provided in 135.9(10).
}
\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
Visual inspection.
}
{\plain\f4\fs21\cf2\ulc2
A visual inspection must be conducted according to 135.9(10)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
If a sheen or residue from a petroleum-regulated substance is present, soil and groundwater sampling must be conducted to identify the source of the release and to define the extent of the contaminant plume to the levels acutely toxic to aquatic life as provided in 567—subrule 61.3(2).
}
\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
Receptor evaluation.
}
\par
\pard\qj\sl250\tx340\tx680\tx80
{\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 criteria apply only to designated use segments of surface water bodies as provided in 567—subrules 61.3(1) and 61.3(5). If the surface water body is a designated use segment and if maximum groundwater concentrations exceed applicable surface water criteria, the extent of contamination must be defined as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
The point of compliance for measuring chemicals of concern at the point of exposure is the groundwater adjacent to the surface water body because surface water must be protected for low flow conditions. In-stream measurements of concentrations are not allowed as a basis for no further action.
}
\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 visual inspection indicates the presence of a petroleum sheen in a general use segment within 200 feet of the source, as defined in 567—paragraph 61.3(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a,”
}
{\plain\f4\fs21\cf2\ulc2
the segment must be evaluated as an actual receptor. The point of compliance for measuring chemicals of concern at the point of exposure is the groundwater adjacent to the general use segment.
}
\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
Plume definition.
}
{\plain\f4\fs21\cf2\ulc2
The groundwater plume must be defined to the surface water criteria levels for designated use segment receptors and to the acutely toxic levels for general use segment receptors, with an emphasis between the source and the surface water body.
}
\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
Target levels.
}
{\plain\f4\fs21\cf2\ulc2
Determining target levels for this pathway involves a two-step 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
Groundwater modeling as provided in 135.10(2) must be used to calculate the projected concentrations of chemicals of concern at the point of compliance. If the modeled concentrations or field data at the point of compliance exceed surface water criteria for designated use segments, an allowable discharge concentration must be calculated. If the projected concentrations and field data at the point of compliance do not exceed surface water criteria, no further action is required to assess this pathway.
}
\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 water quality section will calculate the allowable discharge concentration using information provided by the certified groundwater professional on a department form. Required information includes, at a minimum, the site location and a discharge flow rate calculated according to the department’s Tier 2 guidance. The allowable discharge concentration is the target level which must be met adjacent to the surface water body which is the point of compliance.
}
\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 target level at the point of exposure/compliance for general use segments subject to evaluation is the acutely toxic levels established by the department under 567—Chapter 61 and 567—subrule 62.8(2). If the modeled concentrations of field data at the point of exposure/compliance exceed the acutely toxic levels, modeling must be used to determine site classifications and corrective action in accordance with 567—135.12(455B).
}
\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
Pathway classification.
}
{\plain\f4\fs21\cf2\ulc2
Upon completion of analysis of field data and modeled data, the pathway must be classified high risk, low risk or no further action as provided in 567—135.12(455B).
}
\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 general use segments, as defined in 567—subrule 61.3(1), if the groundwater professional determines there is no sheen or residue present or if the site is not the source of the sheen or residue or if the sheen does not consist of petroleum-regulated substances, no further action is required for assessment of this pathway. If a petroleum-regulated substance sheen is present, the pathway is high risk and subject to classification in accordance with 567—135.12(455B).
}
\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 designated use segments, as provided in 567—subrules 61.3(1) and 61.3(5), if projected concentrations of chemicals of concern and field data at the point of compliance do not exceed the target level adjacent to the surface water, and the groundwater professional determines there is no sheen or residue present, no further action is required for assessment of this pathway.
}
\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
Corrective action response.
}
{\plain\f4\fs21\cf2\ulc2
Unless the pathway is classified as no further action, corrective action for this pathway must be conducted as provided in 567—135.12(455B). For surface water bodies failing the visual inspection criteria, corrective action must eliminate the sheen and reduce concentrations to below the site specific target level in accordance with 567—135.12(455B).
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.10(11)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Tier 2 submission and review procedures.
}
\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
Owners and operators must submit a Tier 2 site cleanup report within 180 days of the date the department approves or is deemed to approve a Tier 1 assessment report under 135.9(12). If the owner or operator has elected to conduct a Tier 2 assessment instead of a Tier 1, or a Tier 2 assessment is required due to the presence of free product under 135.7(5), the Tier 2 site cleanup report must be submitted within 180 days of the date the release was confirmed. The department may establish an alternative schedule for submittal.
}
\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
Site cleanup report completeness and accuracy. A Tier 2 site cleanup report is considered to be complete if it contains all the information and data required by this rule and the department’s Tier 2 guidance. The report is considered accurate if the information and data are reasonably reliable based first on the standards in these rules and department guidance, and second, on generally accepted industry standards.
}
\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
The certified groundwater professional responsible for completion of the Tier 2 site assessment and preparation of the report must accompany each Tier 2 site cleanup report with a certification as set out below:
}
\par
\pard\qj\fi288\sl250
{\plain\f4\fs21\cf2\ulc2
I, __________________________________, groundwater professional certification number __________________, am familiar with all applicable requirements of Iowa Code section 455B.474 and all rules and procedures adopted thereunder including, but not limited to, the Department of Natural Resources’ Tier 2 guidance. Based on my knowledge of those documents and the information I have prepared and reviewed regarding this site, UST registration number __________________, LUST No.____________, I certify that this document is complete and accurate as provided in 135.10(11) and meets the applicable requirements of the Tier 2 site cleanup report.
}
\par
\pard\qj\fi288\sl250
{\plain\f4\fs21\cf2\ulc2
Signature
}
\par
\pard\qj\fi288\sl250
{\plain\f4\fs21\cf2\ulc2
Date
}
\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
Upon receipt of the groundwater professional’s certified Tier 2 report, the groundwater professional’s proposed site classification for the site shall be determinative unless, within 90 days of receipt, the department identifies material information in the report that is inaccurate or incomplete. Material information may be data found to be inaccurate or incomplete or a report that lacks information which, if accurate and complete, would result in a different site or pathway classification than proposed by the certified groundwater professional. If the department determines that the site cleanup report is inaccurate or incomplete, the department shall notify the groundwater professional of the inaccurate or incomplete information within 90 days of receipt of the report and shall work with the groundwater professional and the party responsible for cleanup to obtain correct information or additional information necessary to appropriately classify the site. If the groundwater professional recommends proceeding to Tier 3, the groundwater professional’s site classification and any pathway classification recommendations subject to or influenced by a Tier 3 assessment shall not be considered determinative until the Tier 3 report is submitted for review as provided in 567—135.11(455B).
}
\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
If a “no action required” site classification is proposed, the department shall review the report in accordance with 135.12(6) and the review standards in paragraph 135.10(11)
}
{\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\cf2\ulc2
From July 1, 2010, through June 30, 2011, the department shall have 120 days rather than 90 days as provided in paragraph 135.10(11)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
to review and respond to the report.
}
\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\cf2\ulc2
The department may, in the interest of minimizing environmental or public health risks and promoting a more effective cleanup, require owners and operators to begin cleanup of soil and groundwater before the Tier 2 site cleanup report is approved.
}
\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
Review of the public water supply receptor risk assessment.
}
{\plain\f4\fs21\cf2\ulc2
Rescinded IAB 3/11/09, effective 4/15/09.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 7621B
}
{\plain\f4\fs16\cf2
, IAB 3/11/09, effective 4/15/09;
}
{\plain\f4\fs16\b\cf2
ARC 9011B
}
{\plain\f4\fs16\cf2
, IAB 8/25/10, effective 9/29/10;
}
{\plain\f4\fs16\b\cf2
ARC 9331B
}
{\plain\f4\fs16\cf2
, IAB 1/12/11, effective 2/16/11]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.11
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Tier 3 site assessment policy and procedure.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.11(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General.
}
{\plain\f4\fs21\cf2\ulc2
Tier 3 site assessment. Unless specifically limited by rule or an imminent hazard exists, an owner or operator may choose to prepare a Tier 3 site assessment as an alternative to completion of a Tier 2 assessment under 567—135.10(455B) or as an alternative to completion of a corrective action design report under 567—135.12(455B). Prior to conducting a Tier 3 site assessment, a groundwater professional must submit a work plan to the department for approval. The work plan must contain an evaluation of the specific site conditions which justify the use of a Tier 3 assessment, an outline of the proposed Tier 3 assessment procedures and reporting format and a method for determining a risk classification consistent with the policies underlying the risk classification system in 567—135.12(455B). Upon approval, the groundwater professional may implement the assessment plan and submit a report within a reasonable time designated by the department.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.11(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Tier 3 site assessment.
}
{\plain\f4\fs21\cf2\ulc2
A Tier 3 assessment may include but is not limited to the use of more site-specific or multidimensional models and assessment data, methods for calibrating Tier 2 models to make them more predictive of actual site conditions, and more extensive assessment of receptor construction and vulnerability to contaminant impacts. If use of Tier 2 models is proposed with substitution of other site-specific data (as opposed to the Tier 2 default parameters), the groundwater professional must adequately justify how site-specific data is to be measured and why it is necessary. The groundwater professional must demonstrate that the proposal has a proven applicability to underground storage tank sites or similar conditions or has a strong theoretical basis for applicability and is not biased toward underestimating assessment results. The Tier 3 assessment report shall make a recommendation for site classification as high risk, low risk or no action required, at least two corrective action response technologies and provide justification consistent with the standards and policies underlying risk classification and corrective action response under 567—135.12(455B) and Iowa Code chapter 455B, Division 4, Part 8.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.11(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Review and submittal.
}
{\plain\f4\fs21\cf2\ulc2
The department will review the Tier 3 assessment for compliance with the terms of the approved work plan and based on principles consistent with these rules and Iowa Code chapter 455B, Division IV, Part 8. Upon approval of the Tier 3 assessment, the department may require corrective action in accordance with 567—135.12(455B).
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.12
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Tier 2 and 3 site classification and corrective action response.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General.
}
{\plain\f4\fs21\cf2\ulc2
1995 Iowa Code section 455B.474(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(2) provides that sites shall be classified as high risk, low risk and no action required. Risk classification is accomplished by comparing actual field data to the concentrations that are predicted by the use of models. Field data must be compared to the simulation model which uses the maximum concentrations at a source and predicts at what levels actual or potential receptors could be impacted in the future. Field data must also be compared to the site-specific target level line which assumes a target level concentration at the point of exposure and is used to predict the reduction in concentration that must be achieved at the source in order to meet the applicable target level at the point of exposure. These models not only predict concentrations at points of exposure or a point of compliance at a source but also predict a distribution of concentrations between the source and the point of exposure which may also be points of compliance. The comparison of field data with these distribution curves primarily is considered for purposes of judging whether the modeled data is reasonably predictive and what measures such as monitoring are prudent to determine the reliability of modeled data and actual field data.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
For the soil vapor to enclosed space and soil to water line pathways, there are no horizontal transport models to use for predicting future impacts. Therefore, for these pathways, sites are classified as high risk, low risk or no action required based on specified criteria below and in 567—135.10(455B).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
High risk classification.
}
{\plain\f4\fs21\cf2\ulc2
Except as provided below, sites shall be classified as high risk if, for any pathway, any actual field data exceeds the site-specific target level line at any point for an actual receptor.
}
\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
For the soil vapor to enclosed space and soil to water line pathways, sites shall be classified as high risk if the target levels for actual receptors are exceeded as provided in 135.10(7) and 135.10(9).
}
\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
For the soil vapor or groundwater vapor to enclosed space pathways, sites shall be classified as high risk if the explosivity levels at applicable points of compliance are exceeded as provided in 135.10(6) and 135.10(7).
}
\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
Generally, sites are classified as low risk if only potential receptor points of compliance are exceeded. The following is an exception. For the soil leaching to groundwater ingestion pathway for potential receptor conditions, the site shall be classified as high risk if the groundwater concentration(s) exceeds the groundwater Tier 1 level for potential receptor and the soil concentration exceeds the soil leaching site-specific target level at the source.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
High risk corrective action response.
}
\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
Objectives. The primary objectives of corrective action in response to a high risk classification are both short- term and long-term. The short-term goal is to eliminate or reduce the risk of exposure at actual receptors which have been or are imminently threatened with exposure above target levels. The longer term goal is to prevent exposure to actual receptors which are not currently impacted or are not imminently threatened with exposure. To achieve these objectives, it is the intent of these rules that concentrations of applicable chemicals of concern be reduced by active remediation to levels below the site-specific target level line at all points between the source(s) and the point(s) of exposure as well as to undertake such interim corrective action as necessary to eliminate or prevent exposure until concentrations below the SSTL line are achieved. If it is shown that concentrations at all applicable points have been reduced to below the SSTL line, the secondary objective is to establish that the field data can be reasonably relied upon to predict future conditions at points of exposure rather than reliance on the modeled data. Reliance on field data is achieved by establishing through monitoring that concentrations within the contaminant plume are steady or declining. Use of institutional control and technological controls may be used to sever pathways or control the risk of receptor impacts.
}
\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
For the groundwater to water line and soil to water line receptors, these objectives are achieved by active remediation, replacement or relocation of water line receptors from areas within the actual plume plus some added site-specific distance to provide a safety factor to areas outside the site-specific target level line. In areas of free product, all water lines regardless of construction material must be relocated unless there is no other option and the department has approved an alternate plan of construction. If water lines and gaskets are replaced in an area of contamination, they must be replaced with water line materials and gasket materials of appropriate construction in accordance with current department standards set forth in 567—Chapter 43 and with no less than nitrile or FKM gaskets or as otherwise approved by the department. If a service line is replaced and remains in a contaminated area, a backflow preventer shall be installed to prevent impacts to the larger water distribution 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\cf2\ulc2
For the soil vapor pathway, these objectives are achieved by active remediation of soil contamination below the target level at the point(s) of exposure or other designated point(s) of compliance using the same measurement methods for receptor evaluation under 135.10(7) and 135.10(9).
}
\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
For a site classified as high risk or reclassified as high risk for the soil leaching to groundwater ingestion pathway, these objectives are achieved by active remediation of soil contamination to reduce the soil concentration to below the site-specific target level at the source.
}
\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
A corrective action design report (CADR) must be submitted by a certified groundwater professional for all high risk sites unless the terms of a corrective action plan are formalized in a memorandum of agreement within a reasonable time frame specified by the department. The CADR must be submitted on a form provided by the department and in accordance with department CADR guidance within 60 days of site classification approval as provided in 135.10(11). The CADR must identify at least two principally applicable corrective action options designed to meet the objectives in 135.12(3), an outline of the projected timetable and critical performance benchmarks, and a specific monitoring proposal designed to verify its effectiveness and must provide sufficient supporting documentation consistent with industry standards that the technology is effective to accomplish site-specific objectives. The CADR must contain an analysis of its cost-effectiveness in relation to other options. The department will review the CADR in accordance with 135.12(9).
}
\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
Interim monitoring.
}
{\plain\f4\fs21\cf2\ulc2
From the time a Tier 2 site cleanup report is submitted and until the department determines a site is classified as no action required, interim monitoring is required at least annually for all sites classified as high risk. Groundwater samples must be taken: (1) from a monitoring well at the maximum source concentration; (2) from a transition well, meaning a monitoring well with detected levels of contamination closest to the leading edge of the groundwater plume as defined to the pathway-specific target level, and between the source(s) and the point(s) of exposure; and (3) from a guard well, meaning a monitoring well between the source(s) and the point(s) of exposure with concentrations below the SSTL line. If a receptor is located within an actual plume contoured to the applicable target level for that receptor, the point of exposure must be monitored. If concentrations at the receptor already exceed the applicable target level for that receptor, corrective actions must be implemented as soon as practicable. Monitoring conducted as part of remediation or as a condition of establishing a no action required classification may be used to the extent it meets these criteria. Soil monitoring is required at least annually for all applicable pathways in accordance with 135.12(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“d.”
}
{\plain\f4\fs21\cf2\ulc2
All drinking water wells and non-drinking water wells within 100 feet of the largest actual plume (defined to the appropriate target level for the receptor type) must be tested annually for chemicals of concern. Actual plumes refer to groundwater plumes for all chemicals of concern.
}
\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\cf2\ulc2
Remediation monitoring. Remediation monitoring during operation of a remediation system is required at least four times each year to evaluate effectiveness of the system. A remediation monitoring schedule and plan must be specified in the corrective action design report and approved by the department.
}
\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\cf2\ulc2
Technological controls. The purpose of a technological control is to effectively sever a pathway by use of technologies such that an applicable receptor could not be exposed to chemicals of concern above an applicable target risk level. Technological controls are an acceptable corrective action response either alone or in combination with other remediation systems. The purpose of technological controls may be to control plume migration through use of containment technologies, barriers, etc., both as an interim or permanent corrective action response or to permanently sever a pathway to a receptor. Controls may also be appropriate to treat or control contamination at the point of exposure. Any technological control proposed as a permanent corrective action option without meeting the reduction in contaminant concentrations objectives must establish that the pathway to a receptor will be permanently severed or controlled. The effectiveness of a technological control must be monitored under a department approved plan until concentrations fall below the site-specific target level line or its effectiveness as a permanent response is established, and no adverse effects are created.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Following completion of corrective action, the site must meet exit monitoring criteria to be reclassified as no action required as specified in 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
{\plain\f4\fs21\cf2\ulc2
At any point where an institutional or technological control is implemented and approved by the department, the site may be reclassified as no action required consistent with 135.12(6).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Low risk classification.
}
{\plain\f4\fs21\cf2\ulc2
A site shall be classified as low risk if none of the pathways are high risk and if any of the pathways are low risk. A pathway shall be classified low risk if it meets one of the following 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\cf2\ulc2
For actual and potential receptors, if the modeled data and the actual field data are less than the site-specific target level line, and any of the field data is greater than the simulation line.
}
\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
For potential receptors, if any actual field data exceeds the site-specific target level line at any point.
}
\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
For the soil leaching to groundwater ingestion pathway where modeling predicts that the Tier 1 levels for potential receptors would be exceeded in groundwater at applicable potential receptor points of compliance and the soil concentration exceeds the soil leaching to groundwater site-specific target level but groundwater concentrations are currently below the Tier 1 level for potential receptors, the site shall be initially classified as low risk and subject to monitoring under 135.12(5)
}
{\plain\f4\fs21\i\cf2\ulc2
“d”
}
{\plain\f4\fs21\cf2\ulc2
(2). If at any time during the three-year monitoring period, groundwater concentrations exceed the Tier 1 level for potential receptors, the site shall be classified as high risk requiring soil remediation in accordance with 135.12(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“c.”
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Low risk corrective action response.
}
\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
Purpose. For sites or pathways classified as low risk, the purpose of monitoring is to determine if concentrations are decreasing such that reclassification to no action required may be appropriate or if the contaminant plume is stable such that reclassification to no action required can be achieved with implementation of an institutional control in accordance with 135.12(8), or if concentrations are increasing above the site-specific target level line such that reclassification to high risk is appropriate. Monitoring is necessary to evaluate impacts to actual receptors and assess the continued status of potential receptor conditions. Low risk monitoring shall be conducted and reported by a certified groundwater professional.
}
\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
For sites or pathways classified as low risk, provide a best management practices plan. The plan must include maintenance procedures, schedule of activities, prohibition of practices, and other management practices, or a combination thereof, which, after problem assessment, are determined to be the most effective means of monitoring and preventing additional contamination of the groundwater and soil. The plan will also contain a contamination monitoring proposal containing sufficient sampling points to ensure the detection of any significant movement of or increase in contaminant concentration.
}
\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
Groundwater monitoring. For groundwater pathways, samples must be taken at a minimum of once per year: (1) from a monitoring well at the maximum source concentration; (2) a transitional well meaning a well with detected levels of contamination closest to the leading edge of the groundwater plume as defined to the pathway-specific target level and between the source and the receptor; and (3) a guard well meaning a monitoring well between the source and the point of exposure with concentrations below the SSTL line. (N
}
{\plain\f4\fs21\scaps\cf2\ulc2
ote
}
{\plain\f4\fs21\cf2\ulc2
: Monitoring under this provision may be used to satisfy exit monitoring if it otherwise meets the criteria in 135.12(6).)
}
\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
Soil 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
For the soil vapor to enclosed space pathway potential receptors, soil gas samples must be taken at a minimum of once per year in the area(s) of expected maximum vapor concentrations where an institutional control is not in place.
}
\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 the soil leaching to groundwater pathway potential receptors, annual groundwater monitoring is required for a minimum of three years as provided in
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
above. If groundwater concentrations are below the applicable SSTL line for all three years, no further action is required. If groundwater concentrations exceed the applicable SSTL line in any of the three years, corrective action is required to reduce soil concentrations to below the Tier 1 levels for soil leaching to groundwater. Therefore, annual monitoring of soil is not applicable.
}
\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 the soil to water line pathway potential receptors, notification of the utility company is required. Notification will result in reclassification to no action required. Therefore, annual monitoring of soil is not applicable.
}
\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
Receptors must be evaluated at least annually to ensure no actual or modeled data are above the site-specific target level line for any actual receptors. Potential receptor areas of concern must be evaluated at least annually and the presence of no actual receptors confirmed. If actual receptors are present or reasonably expected to be brought into existence, the owner or operator must report this fact to the department as soon as practicable. Annual monitoring which also meets the exit criteria under 135.12(6) may be used for that purpose.
}
\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
The site or pathway must meet exit monitoring criteria to be reclassified as no action required as specified in 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“b.”
}
{\plain\f4\fs21\cf2\ulc2
If concentrations for actual receptors increase above the site-specific target level line or potential receptor status changes to actual receptor status, the site must be reclassified as high risk and further corrective action required in accordance with 135.12(3).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
No action required classification.
}
{\plain\f4\fs21\cf2\ulc2
A site shall be classified as no action required if all of the pathways are classified as no action required as provided below:
}
\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
Soil pathways shall be classified as no action required if samples are less than the applicable target levels as defined for each pathway and confirmational sampling requirements have been 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\cf2\ulc2
For initial classification, groundwater pathways shall be classified as no action required if the field data is below the site-specific target level line and all field data is at or less than the simulation line, and confirmation monitoring has been completed successfully. Confirmation sampling for groundwater is a second sample which confirms the no action required criteria.
}
\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 groundwater pathway shall be reclassified from high risk to no action required if all field data is below the site-specific target level and if exit monitoring criteria have been met. Exit monitoring criteria means that the three most recent consecutive groundwater samples from all monitoring wells must show a steady or declining trend and the most recent samples are below the site-specific target level. Other criteria include the following: The first of the three samples for the source well and transition well must be more than detection limits; concentrations cannot increase more than 20 percent from the first of the three samples to the third sample; concentrations cannot increase more than 20 percent of the previous sample; and samples must be separated by at least six months.
}
\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
A low risk site shall be reclassified as “no action required” if field data is below the site-specific target level and if exit monitoring criteria have been met pursuant to 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“c”
}
{\plain\f4\fs21\cf2\ulc2
or if the site has maintained less than the applicable target level for four consecutive sampling events separated by at least six months as defined in the monitoring plan regardless of exit monitoring criteria and guidance.
}
\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
Confirmation sampling for soil gas and indoor vapor. For the enclosed space pathways, confirmation sampling is required to reasonably establish that the soil gas and indoor vapor samples represent the highest expected levels. A groundwater professional must obtain two samples taken at least two weeks apart. One of the samples must be taken during a seasonal period of lowest groundwater elevation and soil gas samples must be taken below the frost line.
}
\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
As a condition of obtaining site classification as no action required, all groundwater monitoring wells must be properly plugged in accordance with 567—Chapters 39 and 49 unless the department requires selected wells to be maintained or a written request with justification and a plan for properly maintaining the wells are submitted to the department for approval. Approval to maintain wells shall be deemed granted if not disapproved with reason within 30 days of request.
}
\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\cf2\ulc2
Prior to acceptance of a request to classify the site as no action required, and in the event there is a question of validity of the data or sampling methods, laboratory analysis procedures, indication of plume movement, or the department obtains information about new conditions at the site, the department may conduct or require the owner to conduct confirmation sampling of the soil, groundwater, soil gas, or indoor vapor to confirm that the no action required criteria have been met.
}
\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\cf2\ulc2
The department may waive, at its discretion, the exit monitoring criteria based on a certified groundwater professional’s written justification to support a no action required classification for the site based on a reasoned assessment of data, trends, receptor status, and corrective actions performed. One example is when steady and declining criteria have not been met due solely to variations among a laboratory’s lowest achievable detection limits.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reclassification.
}
{\plain\f4\fs21\cf2\ulc2
Any site or pathway which is classified as high risk may be reclassified to low risk if in the course of corrective action the criteria for low risk classification are established. Any site or pathway which is classified as low risk may be reclassified to high risk if in the course of monitoring the conditions for high risk classification are established. Sites subject to department-approved institutional or technological controls are classified as no action required if all other criteria for no action required classification are satisfied.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(8)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Use of institutional and technological controls.
}
\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
Purpose. The purpose of an institutional control is to restrict access to or use of property such that an applicable receptor could not be exposed to chemicals of concern for as long as the target level is exceeded at applicable points of exposure and compliance. Institutional controls 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
A law of the United States or the state;
}
\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 regulation issued pursuant to federal or state laws;
}
\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 ordinance or regulation of a political subdivision in which real estate subject to the institutional control is located;
}
\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 environmental covenant as provided in 2005 Iowa Code Supplement section 455B.474(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
(4)(f) and in accordance with the provisions of 2005 Iowa Code Supplement chapter 455I and 567—Chapter 14;
}
\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 other institutional control the owner or operator can reasonably demonstrate to the department will reduce the risk from a release throughout the period necessary to ensure that no applicable target level is likely to be exceeded.
}
\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
Modification or termination of institutional and technological controls. At a point when the department determines that an institutional or technological control has been removed or is no longer effective for the purpose intended, regardless of the issuance of a no further action certification or previous site classification, it may require owners and operators to undertake such reevaluation of the site conditions as necessary to determine an appropriate site classification and corrective action response. If the owner or operator is in control of the affected property, the department may require reimplementation of the institutional or technological control or may require a Tier 2 assessment of the affected pathway(s) be conducted to reevaluate the site conditions and determine alternative corrective action response. An owner or operator subject to an institutional or technological control may request modification or termination of the control by conducting a Tier 2 assessment of the affected pathway or conduct such other assessment as required by the department to establish that the control is no longer required given current site 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\cf2\ulc2
If the owner or operator is not in control of the affected property or cannot obtain control and the party in control refuses to continue implementation of an institutional control, the department may require the owner or operator to take such legal action as available to enforce institution of the control or may require the owner or operator to undertake a Tier 2 assessment to determine site classification and an alternative corrective action response. If a person in control of the affected property appears to be contractually obligated to maintain an institutional or technological control, the department may, but is not required to, attempt enforcement of the contractual obligation as an alternative to requiring corrective action by the owner or operator.
}
\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
If a site is classified no action required, subject to the existence of an institutional control or technological control, the holder of the fee interest in the real estate subject to the institutional control or technological control may request, at any time, that the department terminate the institutional control or technological control requirement. The department shall terminate the requirement for an institutional control if the holder demonstrates by completion of a Tier 2 assessment of the applicable pathway or other assessment as required by the department that the site conditions warranting the control no longer exist and that the site or pathway has met exit criteria for no action required classification under 135.12(6).
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(9)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Corrective action design report submission and review procedures.
}
\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
Owners and operators must submit a corrective action design report (CADR) within 60 days of the date the department approves or is deemed to approve a Tier 2 assessment report under 135.10(11) or a Tier 3 assessment is to be conducted. The department may establish an alternative schedule for submittal. As an alternative to submitting a CADR, owners or operators may participate in a corrective action meeting process to develop a corrective action plan which would be incorporated into a memorandum of agreement or other written agreement approved by the department. Owners or operators shall implement the terms of an approved CADR, memorandum of agreement or other corrective action plan agreement.
}
\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
Corrective action design report completeness and accuracy. A CADR is considered to be complete if it contains all the information and data required by this rule and the department’s guidance. The report is considered accurate if the information and data are reasonably reliable based first on the standards in these rules and department guidance, and second, on generally accepted industry standards.
}
\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
The certified groundwater professional responsible for completion of the CADR must provide the following certification with the CADR:
}
\par
\pard\qj\fi288\sl250
{\plain\f4\fs21\cf2\ulc2
I, ___________________, groundwater professional certification number _____________, am familiar with all applicable requirements of Iowa Code section 455B.474 and all rules and procedures adopted thereunder including, but not limited to, the Department of Natural Resources’ guidance and specifications for corrective action design reports. Based on my knowledge of those documents and the information I have prepared and reviewed regarding this site, UST registration number ______________________, LUST No.____________, I certify that this document is complete and accurate as provided in 135.12(9) and meets the applicable requirements of the corrective action design report, and that the recommended corrective action can reasonably be expected to meet its stated objectives.
}
\par
\pard\qj\fi288\sl250
{\plain\f4\fs21\cf2\ulc2
Signature
}
\par
\pard\qj\fi288\sl250
{\plain\f4\fs21\cf2\ulc2
Date
}
\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
Review. A CADR submitted by a groundwater professional shall be accepted by the department and shall be primarily relied upon by the department to determine the corrective action response requirements of the site. However, if within 90 days of receipt of a CADR, the department identifies material information in the CADR that is inaccurate or incomplete, and if based upon information in the report the appropriate corrective action response cannot be reasonably determined by the department based on industry standards, the department may reject the report and require modifications. If the department does not reject the report within 90 days of receipt, the report shall be deemed approved as submitted unless changes to the report are requested by the groundwater professional. The department shall work with the groundwater professional and the owner or operator to correct any materially inaccurate information or to obtain the additional information necessary to determine the appropriate corrective action response as soon as practicable. However, from July 1, 2010, through June 30, 2011, the department shall have 120 days to notify the certified groundwater professional when a report is not accepted based on material information that is found to be inaccurate or incomplete.
}
\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
Memorandums of agreement. Owners or operators that fail to implement the actions or meet the activity schedule in a memorandum of agreement resulting from a corrective action meeting or other written corrective action plan agreement or that fail to implement the actions or meet the schedule outlined in an approved CADR are subject to legal action.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(10)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Monitoring certificates and no further action certificates.
}
\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
Monitoring certificate. The department of natural resources will issue a monitoring certificate to the owner or operator of an underground storage tank from which a release has occurred, the current property owner, or other responsible party who has undertaken the corrective action warranting issuance of the certificate. Sites classified as low risk or sites classified as high risk/monitoring shall be eligible for a monitoring certificate. The monitoring certificate will be valid until the site is reclassified to a high risk requiring active remediation or no action required site. A site which has been issued a monitoring certificate shall not be eligible to receive a certificate evidencing completion of remediation until the site is reclassified as no action required. The monitoring certificate will be invalidated and the site reclassified to high risk if it is determined by the department that the owner of the site is not in compliance with the requirements specified in the monitoring certificate.
}
\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
No further action certificate. When the no action required site classification has been determined based on a recommendation of the certified groundwater professional as provided in 135.9(11), 135.10(11) and 135.12(12) (see also 2009 Iowa Code Supplement section 455B.474(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“h”
}
{\plain\f4\fs21\cf2\ulc2
(1) and (3) as amended by 2010 Iowa Acts, House File 2531, section 174), the department shall issue a no further action certificate.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
The department will issue a no further action certificate to an owner or operator of an underground storage tank from which a release has occurred, the current property owner, or other responsible party who has undertaken the corrective action warranting classification of the site as no action required. Prior to the issuance of a no further action certificate, an accurate legal description of the property on which the underground storage tanks are or were formerly located shall be submitted to the department. The following conditions apply:
}
\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 free product is present, the department shall not issue a no further action certificate until the department has approved termination of all free product assessment and recovery in accordance with 135.7(5).
}
\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 site has been determined by a certified groundwater professional not to present an unreasonable risk to the public health and safety or the environment.
}
\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 person issued the certificate or a subsequent purchaser of the site cannot be required to perform further corrective action because action standards are changed at a later date. Action standards refer to applicable standards under this rule.
}
\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 certified groundwater professional has certified that all groundwater monitoring wells have been permanently closed in accordance with 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
with the exception of wells that are allowed to be maintained pursuant to 135.12(6)
}
{\plain\f4\fs21\i\cf2\ulc2
“f.”
}
{\plain\f4\fs21\cf2\ulc2
Wells not properly maintained shall be referred to the water supply section of the department that enforces 567—Chapter 39 and 567—Chapter 49.
}
\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 certificate shall not prevent the department from ordering remediation of a release identified subsequent to the release for which the no further action certificate was issued. The certificate shall not prevent the department from requiring corrective action of a release of a regulated substance from an unregulated tank.
}
\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 certificate will not constitute a warranty of any kind to any person as to the condition, marketability or value of the described property.
}
\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 certificate shall reflect any institutional control utilized to ensure compliance with any applicable Tier 2 level; and may include a notation that the classification is based on the fact that designated potential receptors are not in existence.
}
\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
The certificate shall be in a form which is recordable in accordance with Iowa Code section 558.1 et seq., and substantially in the form as provided in Appendix C.
}
\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
The owner or operator or other persons conducting corrective action shall be responsible for recording the no further action certificate with the county recorder and return a file-stamped copy to the department within 30 days of the issue date. At its discretion, the department may record the no further action certificate with the appropriate county recorder as authorized in 2009 Iowa Code Supplement section 455B.474(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“h”
}
{\plain\f4\fs21\cf2\ulc2
(3) as amended by 2010 Iowa Acts, House File 2531, section 174.
}
\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
The department shall modify any issued no further action certificates containing institutional controls once the owner, operator or their successor or assign has demonstrated that the institutional control is no longer necessary to meet the applicable Tier 2 level as provided in 135.12(10).
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.12(11)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Expedited corrective action.
}
{\plain\f4\fs21\cf2\ulc2
An owner, operator or responsible party of a site at which a release of regulated substance is suspected to have occurred may carry out corrective actions at the site so long as the department receives notice of the expedited cleanup activities within 30 calendar days of their commencement; the owner, operator, or responsible party complies with the provisions of these rules; and the corrective action does not include active treatment of groundwater other than:
}
\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
As previously approved by the department; or
}
\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
Free product recovery pursuant to subrule 135.7(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\cf2\ulc2
Soil excavation. When undertaking excavation of contaminated soils, adequate field screening methods must be used to identify maximum concentrations during excavation. At a minimum one soil sample must be taken for field screening every 100 square feet of the base and each sidewall. Soil samples must be taken for laboratory analysis at least every 400 square feet of the base and each sidewall of the excavated area to confirm remaining concentrations are below Tier 1 levels. If the excavation is less than 400 square feet, a minimum of one sample must be analyzed for each sidewall and the base. The owner or operator must maintain adequate records of the excavation area to document compliance with this procedure unless submitted to the department and must provide it to the department upon request.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 9011B
}
{\plain\f4\fs16\cf2
, IAB 8/25/10, effective 9/29/10;
}
{\plain\f4\fs16\b\cf2
ARC 9331B
}
{\plain\f4\fs16\cf2
, IAB 1/12/11, effective 2/16/11]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.13
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Public participation.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.13(1)
}
{\plain\f4\fs21\cf2\ulc2
For each confirmed release that is classified as high or low risk, the department must provide notice to the public by means designated to reach those members of the public directly affected by the release and the recommended corrective action response. This notice may include, but is not limited to, public notice in local newspapers, block advertisements, public service announcements, publication in a state register, letters to individual households, or personal contacts by the staff.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.13(2)
}
{\plain\f4\fs21\cf2\ulc2
The department must ensure site release information and decisions concerning the Tier 1 assessment report, Tier 2 and Tier 3 site cleanup reports are made available to the public for inspection upon request.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.13(3)
}
{\plain\f4\fs21\cf2\ulc2
Before approving the Tier 2 or Tier 3 site cleanup report, the department may hold a public meeting to consider comments on the proposed corrective action response if there is sufficient public interest, or for any other reason.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.13(4)
}
{\plain\f4\fs21\cf2\ulc2
The department must give a public notice that complies with subrule 135.13(1) above if the implementation of the approved Tier 2 or Tier 3 site cleanup report does not achieve the established cleanup levels in the report and the termination of that report is under consideration by the department.
}
\par
\pard\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.14
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Action levels.
}
{\plain\f4\fs21\cf2\ulc2
The following corrective action levels apply to petroleum-regulated substances as regulated by this chapter. These action levels shall be used to determine if further corrective action under 567—135.6(455B) through 567—135.12(455B) or 567—135.15(455B) is required as the result of tank closure sampling under 135.15(3) or other analytical results submitted to the department. The contaminant concentrations must be determined by laboratory analysis as stated in 567—135.16(455B). Final cleanup determination is not limited to these contaminants. The contamination corrective action levels are:
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1800
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
\~
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\b\cf2\ulc2
Soil (mg/kg)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\b\cf2\ulc2
Groundwater (ug/L)
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1800
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Benzene
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
0.54
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1800
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Toluene
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
3.2
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1,000
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1800
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Ethylbenzene
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
15
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
700
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1800
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Xylenes
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
52
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
10,000
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1800
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx3240
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx5040
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Total Extractable
}
\par
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Hydrocarbons
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
3,800
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1,200
}
\cell
\row
\pard\keep\sb180\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 9011B
}
{\plain\f4\fs16\cf2
, IAB 8/25/10, effective 9/29/10]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.15
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Out-of-service UST systems and closure.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.15(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Temporary closure.
}
\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
When a UST system is temporarily closed, owners and operators must continue operation and maintenance of corrosion protection in accordance with 135.4(2), any release detection in accordance with rule 567—135.5(455B), and financial responsibility in accordance with 567—Chapter 136. Rules 567—135.6(455B) to 567—135.12(455B) must be complied with if a release is suspected or confirmed. However, release detection is not required as long as the UST system is empty. The UST system is empty when all materials have been removed using commonly employed practices so that no more than 2.5 centimeters (1 inch) of residue, or 0.3 percent by weight of the total capacity of the UST system, remain in the 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\cf2\ulc2
When a UST system is temporarily closed for three months or more, owners and operators must notify the department in writing of the temporary closure and comply with 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
Leave vent lines open and functioning; 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
Cap and secure all other lines, pumps, accesses, and ancillary equipment.
}
\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
When a UST system is temporarily closed for more than 12 months, owners and operators must return the tank tags and permanently close the UST system if it does not meet either the performance standards in 135.3(1) for new UST systems or the upgrading requirements in 135.3(2), except that the spill and overfill equipment requirements do not have to be met. Owners and operators must permanently close the substandard UST systems at the end of this 12-month period in accordance with 135.15(2) to 135.15(5), unless the department provides an extension of the 12-month temporary closure period. Owners and operators must complete a site assessment in accordance with 135.15(3) before such an extension can be applied for.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.15(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Permanent closure and changes-in-service.
}
\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
At least 30 days before beginning either permanent closure or a change-in-service under paragraphs
}
{\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
below, owners and operators must notify the department of their intent to permanently close or make the change-in-service. An owner or operator must seek prior approval to permanently close a tank in a time frame shorter than the 30-day notice. The required assessment of the excavation zone under 135.15(3) must be performed after notifying the department but before completion of the permanent closure or a change-in-service.
}
\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
To permanently close a tank or piping, owners and operators must empty and clean them by removing all liquids and accumulated sludge. All tanks taken out of service permanently must also be either removed from the ground or filled with an inert solid material. Piping must either be removed from the ground or have the ends plugged with an inert solid material.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
When permanently closing a tank by filling with inert solid material, the tank may not be filled until a closure report is approved by the department. The tank must be filled within 30 days after department approval. The owner and operator must notify the department within 15 days after filling the tank with inert solid material.
}
\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
Continued use of a UST system to store a nonregulated substance is considered a change-in-service. Before a change-in-service, owners and operators must empty and clean the tank by removing all liquid and accumulated sludge and conduct a site assessment in accordance with 135.15(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\cf2\ulc2
Permanent closure procedures must be followed in the replacement of tanks or piping. Notification must be made using DNR Form 542-1308, “Notification of Tank Closure or Change-in-Service.” The form must include the date scheduled for the closure. Oral confirmation of the closure date must be given to the DNR field office 24 hours prior to the actual closure. The required assessment of the excavation zone under 139.15(3) must be performed after notifying the department but before completion of the permanent closure or change-in-service.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\scaps\cf2\ulc2
Note:
}
{\plain\f4\fs21\cf2\ulc2
The following cleaning and closure procedures may be used to comply with subrule 135.15(2): American Petroleum Institute Recommended Practice 1604, “Removal and Disposal of Used Underground Petroleum Storage Tanks”; American Petroleum Institute Publication 2015, “Cleaning Petroleum Storage Tanks”; American Petroleum Institute Recommended Practice 1631, “Interior Lining of Underground Storage Tanks,” may be used as guidance for compliance with this subrule; and the National Institute for Occupational Safety and Health “Criteria for a Recommended Standard . . . Working in Confined Space” may be used as guidance for conducting safe closure procedures at some hazardous substance tanks.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.15(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Assessing the site at closure or change-in-service.
}
\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
Before permanent closure or a change-in-service is completed, owners or operators must measure for the presence of a release where contamination is most likely to be present at the UST site. This soil and groundwater closure investigation must be conducted or supervised by a groundwater professional certified under 567—Chapter 134, Part A, unless the department in its discretion grants an exemption and provides direct supervision of the closure investigation. In selecting the sample types, sample locations, and measurement methods, owners and operators must consider the method of closure, the nature of the stored substance, the type of backfill, the depth to groundwater, and other factors appropriate for identifying the presence of a release.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
At UST sites with a history of petroleum storage, soil and groundwater samples shall in every case be analyzed for benzene, toluene, ethylbenzene, and xylenes (BTEX) with each compound reported separately in accordance with 567—135.16(455B). If there has been a history or suspected history of petroleum storage other than gasoline or gasoline blends (i.e., all grades of diesel fuels, fuel oil, kerosene, oil and mineral spirits), or such storage history is unknown or uncertain, soil and groundwater samples shall also be analyzed for total extractable hydrocarbons in accordance with 567—135.16(455B).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
All such samples shall be collected separately and shipped to a laboratory certified under 567—Chapter 42, Part C, within 72 hours of collection. Samples shall be refrigerated and protected from freezing during shipment to the laboratory.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
When a UST is removed from an area of confirmed contamination, the department may waive closure sampling if written documentation is submitted with the closure notification. Documentation should include laboratory analytical reports and a site map showing tank and piping locations along with contamination plume and sampling locations.
}
\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
For all permanent tank and piping closures or changes-in-service, at least one water sample must be taken from the first saturated groundwater zone via a monitoring well or borehole except as provided in paragraph
}
{\plain\f4\fs21\i\cf2\ulc2
“g.”
}
{\plain\f4\fs21\cf2\ulc2
The well or borehole must be located downgradient from and as close as possible to the excavation but no farther away than 20 feet.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If, however, the first saturated groundwater zone is not encountered within 10 feet below the lowest elevation of the tank excavation, the requirement for groundwater sampling shall not apply unless:
}
\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
Sands or highly permeable soils are encountered within 10 feet below the lowest level of the tank excavation which together with the underlying geology would, in the judgment of the department, pose the reasonable possibility that contamination may have reached groundwaters deeper than 10 feet below the lowest level of the tank excavation. The method of determining highly permeable soil is found in the departmental guidance documents entitled “Underground Storage Tank Closure Procedures for Tank and Piping Removal” and “Underground Storage Tank Closure for Filling in Place.”
}
\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
Indications of potential groundwater contamination, including petroleum products in utility lines, petroleum products in private wells, petroleum product vapors in basements or other structures, occur in the area of the tank installation undergoing closure or change-in-service.
}
\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
For permanent closure by tank removal, the departmental guidance document entitled “Underground Storage Tank Closure Procedures for Tank and Piping Removal” must be followed. The minimum number of soil samples that must be taken depends on the tank size and length of product piping. Samples must be taken at a depth of 1 to 2 feet beneath the tank fill area below the base of the tank along the tank’s centerline. Soil samples must also be taken at least every 10 feet along the product piping at a depth of 1 to 2 feet beneath the piping fill area below the piping.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If sands or other highly permeable soils are encountered, alternative sampling methods may be required.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If contamination is suspected or found in any area within the excavation (i.e., sidewall or bottom), a soil sample must be taken at that location.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
The numbers of samples required for tanks are as follows:
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft0\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2226
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3682
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Nominal Tank Capacity
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
(gallons)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Number of
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Samples
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Location
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
on Centerline
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2226
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3682
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1,000 or less
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
center of tank
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2226
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3682
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1,001 - 8,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
2
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1/3 from ends
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2226
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3682
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
8,001 - 30,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
3
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5 feet from ends and at center of tank
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2226
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3682
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
30,001 - 40,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
4
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5 and 15 feet from ends
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2226
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3682
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
40,001 and more
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
5 and 15 feet from ends and at center of tank
}
\cell
\row
\pard\sb180\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
For closing a tank in place by filling with an inert solid material or for a change-in-service, the departmental guidance document entitled “Underground Storage Tank Closure for Filling in Place” must be followed. The minimum number of soil borings required for sampling depends on the size of the tank and the length of the product piping. Soil samples must be taken within 5 feet of the sides and ends of the tank at a depth of 2 to 4 feet below the base of the tank, but outside the backfill material, at equal intervals around the tank. Soil samples must also be taken at least every 10 feet along the product piping at a depth of 1 to 2 feet beneath the piping fill area below the piping. If sands or other highly permeable soils are encountered, alternative sampling methods may be required.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
The minimum numbers of soil borings and samples required are as follows:
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2520
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5155
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Nominal Tank Capacity
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
(gallons)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Number of
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Samples
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
Location
}
\par
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
of Samples
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2520
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5155
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
6,000 or less
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
4
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1 each end and each side
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2520
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5155
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
6,001 - 12,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
6
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1 each end and 2 each side
}
\cell
\row
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2520
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx5155
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx7200
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
12,001 or more
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
8
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2\ulc2
1 each end and 3 each side
}
\cell
\row
\pard\sb180\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
A closure report must be submitted to the department within 45 days of the tank removal or sampling for a closure in place. The report must include all laboratory analytical reports, soil boring and well or borehole construction details and stratigraphic logs, and a dimensional drawing showing location and depth of all tanks, piping, sampling, and wells or boreholes, and contaminated soil encountered. The tank tags must be returned with the closure report.
}
\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
The requirements of this subrule are satisfied if one of the external release detection methods allowed in 135.5(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
and
}
{\plain\f4\fs21\i\cf2\ulc2
“f”
}
{\plain\f4\fs21\cf2\ulc2
is operating in accordance with the requirements in 135.5(4) at the time of closure and indicates no release has occurred.
}
\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\cf2\ulc2
If contaminated soils, contaminated groundwater, or free product as a liquid or vapor is discovered during the site assessment or by any other manner, contact the department in accordance with 135.6(1). Normal closure procedures no longer apply. Owners and operators must begin corrective action in accordance with rules 567—135.7(455B) to 567—135.12(455B).
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Identification of free product requires immediate response in accordance with 135.7(5). If contamination appears extensive or the groundwater is known to be contaminated, a full assessment of the contamination will be required. When a full assessment is required or anticipated, collection of the required closure samples is not required. If contamination appears limited to soils, overexcavation of the contaminated soils in accordance with 135.15(4) may be allowed at the time of closure.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.15(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Overexcavation of contaminated soils at closure.
}
\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
If contaminated soils are discovered while assessing a site at closure in accordance with 135.15(3), owners and operators may overexcavate up to one foot of the contaminated soils surrounding the tank pit. The contamination and overexcavation must be reported to the department in accordance with the requirements of 135.6(4)
}
{\plain\f4\fs21\i\cf2\ulc2
“a”
}
{\plain\f4\fs21\cf2\ulc2
prior to backfilling the excavation. If excavation is limited to one foot of contaminated soils, a soil sample shall be taken and laboratory analyzed in accordance with 567—135.16(455B) from the area showing the greatest contamination. Any overexcavation of contaminated soils beyond one foot of contaminated soils is considered expedited corrective action and must be conducted by a certified groundwater professional in accordance with the procedures in 135.12(11).
}
\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
Excavated contaminated soils must be properly disposed in accordance with 567—Chapters 100, 101, 102, 120, and 121, Iowa Administrative Code.
}
\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 report must be submitted to the department within 30 days of completion of the laboratory analysis. The report must include the requirements of 135.15(3)
}
{\plain\f4\fs21\i\cf2\ulc2
“e”
}
{\plain\f4\fs21\cf2\ulc2
and a dimensional drawing showing the depth and area of the excavation prior to and after overexcavation. The area of contamination must be shown.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.15(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability to previously closed UST systems.
}
{\plain\f4\fs21\cf2\ulc2
When directed by the department, the owner and operator of a UST system permanently closed before October 24, 1988, must assess the excavation zone and close the UST system in accordance with this rule if releases from the UST may, in the judgment of the department, pose a current or potential threat to human health and the environment.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.15(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Closure records.
}
{\plain\f4\fs21\cf2\ulc2
Owners and operators must maintain records in accordance with 135.4(5) that are capable of demonstrating compliance with closure requirements under this rule. The results of the excavation zone assessment required in 135.15(3) must be maintained for at least three years after completion of permanent closure or change-in-service in one of the following ways:
}
\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
By the owners and operators who took the UST system out of service;
}
\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
By the current owners and operators of the UST system site; or
}
\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
By mailing these records to the department if they cannot be maintained at the closed facility.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.15(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Applicability to pre-1974 USTs.
}
{\plain\f4\fs21\cf2\ulc2
The closure provisions of rule 567—135.15(455B) are not applicable to USTs which have been out of operation as of January 1, 1974. For purposes of this subrule, out of operation means that no regulated substance has been deposited into or dispensed from the tanks and that the tanks do not currently contain an accumulation of regulated substances other than a de minimus amount as provided in 135.15(1)
}
{\plain\f4\fs21\i\cf2\ulc2
“a.”
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
Owners and operators or other interested parties are not required to submit documentation that USTs meet the exemption conditions and may rely on this subrule as guidance. However, should a question arise as to whether USTs meet the exemption, or owners and operators or other interested parties request acknowledgment by the department that USTs are exempt, they must submit an affidavit on a form provided by the department. The affiant must certify that based on a reasonable investigation and to the best of the affiant’s knowledge, the USTs were taken out of operation prior to January 1, 1974, the USTs have not contained a regulated substance since January 1, 1974, and the USTs do not currently contain an accumulation of regulated substances.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2\ulc2
If the department has a reasonable basis to suspect a release has occurred, the release investigation and confirmation steps of subrule 135.8(1) and the corrective action requirements as provided in 567—135.7(455B) to 567—135.8(455B) shall apply.
}
\par
\pard\keep\sl180
{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 8124B
}
{\plain\f4\fs16\cf2
, IAB 9/9/09, effective 10/14/09]
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.16
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Laboratory analytical methods for petroleum contamination of soil and water.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.16(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General.
}
{\plain\f4\fs21\cf2\ulc2
When having soil or water analyzed for petroleum or hazardous substances, owners and operators of UST systems must use a laboratory certified under 567—Chapter 83. In addition they must ensure that all soil and groundwater samples are properly preserved and shipped within 72 hours of collection to a laboratory certified under 567—Chapter 83, for UST petroleum analyses. This rule provides acceptable analytical procedures for petroleum substances and required information that must be provided in all laboratory reports.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.16(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Laboratory report.
}
{\plain\f4\fs21\cf2\ulc2
All laboratory reports must contain the following information:
}
\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
Laboratory name, address, telephone number and Iowa laboratory certification number. If analytical work is subcontracted to another laboratory, the analytical report from the certified lab which analyzed the sample must be submitted and include the information required in this subrule.
}
\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
Medium sampled (soil, 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
Client submitting sample (name, address, telephone number).
}
\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
Sample collector (name, telephone number).
}
\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
UST site address.
}
\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
Clients sample location identifier.
}
\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\cf2\ulc2
Date sample was collected.
}
\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\cf2\ulc2
Date sample was received at laboratory.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
i.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Date sample was analyzed.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
j.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Results of analyses and units of measure.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
k.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Detection limits.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
l.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Methods used in sample analyses (preparation method, sample detection method, and quantitative method).
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
m.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Laboratory sample number.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
n.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Analyst name.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
o.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Signature of analyst’s supervisor.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
p.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Condition in which the sample was received at the laboratory and whether it was properly sealed and preserved.
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
q.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Note that analytical results are questionable if a sample exceeded an established holding time or was improperly preserved. (The recommended holding time for properly cooled and sealed petroleum contaminated samples is 14 days, except for water samples containing volatile organic compounds which have a 7-day holding time unless acid-preserved.)
}
\par
\pard\qj\sl250\tx340\tx680
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\i\cf2\ulc2
r.
}
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\cf2\ulc2
Laboratory reports required by this chapter for tank closure investigations under 567—135.15(455B) and site checks under 135.6(3) or Tier 1 or Tier 2 assessments under 567—135.9(455B) to 567—135.11(455B) must include a copy of the chromatograms and associated quantitation reports for the waste oil, diesel and gasoline standard used by the laboratory in analyzing submitted samples. The laboratory analytical report for each sample must state whether the sample tested matches the laboratory standard for waste oil, diesel or gasoline or that the sample cannot be reliably matched with any of these standards. A copy of the chromatograms and associated quantitation reports for only the soil and groundwater samples with the maximum concentrations of BTEX and TEH must be included.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.16(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Analysis of soil and water for high volatile petroleum compounds (i.e., gasoline, benzene, ethylbenzene, toluene, xylene).
}
{\plain\f4\fs21\cf2\ulc2
Sample preparation and analysis shall be by Method OA-1, “Method for Determination of Volatile Petroleum Hydrocarbons (gasoline),” revision 7/27/93, University Hygienic Laboratory, Iowa City, Iowa. This method is based on U.S. EPA methods 5030, 8000, and 8015, SW-846, “Test Methods for Evaluating Solid Waste,” 3rd Edition. Copies of Method OA-1 are available from the department.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.16(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Analysis of soil and water for low volatile petroleum hydrocarbon contamination (i.e., all grades of diesel fuel, fuel oil, kerosene, oil, and mineral spirits).
}
{\plain\f4\fs21\cf2\ulc2
Sample preparation and analysis shall be by Method OA-2, “Determination of Extractable Petroleum Products (and Related Low Volatility Organic Compounds),” revision 7/27/93, University Hygienic Laboratory, Iowa City, Iowa. This method is based on U.S. EPA methods 3500, 3510, 3520, 3540, 3550, 8000, and 8100, SW-846, “Test Methods for Evaluating Solid Waste,” 3rd Edition. Copies of Method OA-2 are available from the department.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.16(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Analysis of soil gas for volatile petroleum hydrocarbons.
}
{\plain\f4\fs21\cf2\ulc2
Analysis of soil gas for volatile petroleum hydrocarbons shall be conducted in accordance with the National Institute for Occupational Safety and Health (NIOSH) Method 1501, or a department-approved equivalent method.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.17
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Evaluation of ability to pay.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.17(1)
}
{\plain\f4\fs21\cf2\ulc2
General. The ability to pay guidance procedures referenced in this rule will be used by the department when an owner or operator of an underground storage tank (UST) claims to be financially unable to comply with corrective action requirements under 567—135.7(455B) to 567—135.12(455B) or closure investigation requirements under 567—135.15(455B). If an owner or operator of a regulated UST claims to be financially unable to meet these departmental requirements, that responsible party must provide documentation of the party’s finances on forms provided by the department in order for the department to act on the claim of financial inability. The department may request additional financial documentation to verify or supplement reported information.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.17(2)
}
{\plain\f4\fs21\cf2\ulc2
Individual claims. The financial ability of individual owners and operators of USTs, with or without an active business (including but not limited to sole proprietorships and general partnerships), shall be evaluated using the “Individual Ability to Pay Guidance” document dated June 19, 1992, and generally accepted principles of financial analysis. This guidance is only one tool the department may use in evaluating claims of financial inability.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.17(3)
}
{\plain\f4\fs21\cf2\ulc2
Corporate claims. The financial ability of corporate owners and operators of USTs shall be evaluated using the June 1992 version of “ABEL” developed by the U.S. Environmental Protection Agency and generally accepted principles of financial analysis. This guidance is only one tool the department may use in evaluating claims of financial inability.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.17(4)
}
{\plain\f4\fs21\cf2\ulc2
Federal LUST Trust Fund. The financial ability of owners and operators of USTs shall be evaluated for the purpose of determining if the department is authorized to use Federal LUST Trust Fund moneys as provided in the current cooperative agreement with the U.S. Environmental Protection Agency, Region VII. A determination of financial inability does not create an entitlement or any expectation interest on behalf of an owner or operator that Federal LUST Trust Fund moneys will be used for corrective action at any individual site.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.17(5)
}
{\plain\f4\fs21\cf2\ulc2
The evaluation of financial ability will also be used by the department in making other administrative planning decisions including but not limited to decisions as to whether to pursue and when to pursue administrative or judicial enforcement of regulatory and statutory duties and the assessment of penalties. A determination of financial inability does not create an entitlement or expectation interest that enforcement actions will be deferred or suspended. The evaluation of this factor is only one of many affecting the department’s fully discretionary decisions regarding enforcement options and program planning.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.17(6)
}
{\plain\f4\fs21\cf2\ulc2
An evaluation of financial inability as provided in this rule does not relieve any owner or operator of legal liability to comply with department rules or Iowa Code chapter 455B or provide a defense to any legal actions to establish liability or enforce compliance.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.18
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Transitional rules.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.18(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Transitional rules.
}
{\plain\f4\fs21\cf2\ulc2
Guidance for implementing these transitional rules is contained in the department’s guidance entitled “Transition Policy Statement” dated June 6, 1996.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.18(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Site cleanup reports and corrective action design reports accepted before August 15, 1996.
}
{\plain\f4\fs21\cf2\ulc2
Any owner or operator who had a site cleanup report or corrective action design report approved by the department before August 15, 1996, may elect to submit a Tier 1 Site Assessment or Tier 2 Site Cleanup Report to the department. If the owner, operator, or responsible party so elects, the site shall be assessed, classified, and, if necessary, remediated, in accordance with the rules of the department as of August 15, 1996. To the extent that data collected for the site cleanup report does not include all information necessary for the Tier 1 Site Assessment or Tier 2 Site Cleanup Report, the owner or operator shall utilize the default parameters set out in subrule 135.18(4) or provide site-specific parameters.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.18(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Site cleanup reports in the process of preparation or review prior to August 15, 1996.
}
{\plain\f4\fs21\cf2\ulc2
The department will complete a Tier 1 or a Tier 2 risk analysis for any site cleanup report received but not approved by the department by November 15, 1996. To the extent that data collected for the site cleanup report does not include all information necessary for the Tier 2 site cleanup report and the owner or operator elects to not complete a Tier 2 site cleanup report the department shall utilize the default parameters set out in subrule 135.18(4). If the owner or operator wishes that site-specific data, rather than any default parameter, be used, the owner or operator shall notify the department by October 15, 1996, or in accordance with a schedule specified by the department. Following notification, the owner or operator shall be responsible for preparation of the Tier 1 site assessment or Tier 2 site cleanup report.
}
\par
\pard\keepn\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.18(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Default parameters for use in converting a site cleanup report to a Tier 2 site cleanup report.
}
\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
As to sites for which the owner or operator has collected and submitted only TPH (“total petroleum hydrocarbons”) data regarding soil contamination, TPH levels shall be converted to a risk associated factor by using: (1) previously acquired data regarding benzene, toluene, ethyl benzene, and xylenes data for the samples; (2) newly collected benzene, toluene, ethylbenzene, and xylenes data for the site; or (3) the assumptions that 1 percent of the total petroleum hydrocarbon (TPH) is benzene, 7 percent of the TPH is toluene, 2 percent of the TPH is ethylbenzene, and 8 percent of the TPH is xylenes.
}
\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
As to sites for which the owner or operator has, to date, submitted only TEH (“total extractable hydrocarbons”) data regarding soil contamination, TEH levels should be converted to a risk-associated factor by using: (1) previously acquired benzene, toluene, ethylbenzene and xylenes data for the samples; (2) newly collected benzene, toluene, ethylbenzene and xylenes data for the site; or (3) the assumption that 0.004 percent of the TEH is benzene, 0.05 percent of the TEH is toluene, 0.03 percent of the TEH is ethylbenzene and 0.3 percent of the TEH is xylenes. In addition, TEH levels should be compared to the TEH default levels in the Tier 1 Table. If, as of August 15, 1996, only TEH data for soil is available, and it does not exceed Tier 1 levels, additional sampling for TEH in groundwater is not required. Otherwise, groundwater samples must be collected and analyzed for TEH in accordance with 135.8(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\cf2\ulc2
Data required for preparing a Tier 2 site cleanup report shall be taken from the site cleanup report. If the site cleanup report lacks any of the data, site-specific data subsequently obtained may be used. The following assumptions shall be used if no site cleanup report or site-specific data is provided:
}
\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 site cleanup report is unclear as to neighboring land use, assume the land residential land use;
}
\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
Use the larger resulting default if both TPH and TEH data are available.
}
\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 sites with free product gasoline range constituents, the default values in groundwater are 17,500 ug/l for benzene, 3,040 ug/l for ethylbenzene, 37,450 ug/l for toluene and 15,840 ug/l for xylenes. For sites with free product consisting of diesel range constituents, the default values are 370 ug/l benzene, 640 ug/l toluene, 140 ug/l ethylbenzene, 580 ug/l xylenes, and 260 ug/l naphthalene or 130,000 ug/l TEH.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.18(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Risk-based corrective action assessment reports, corrective action plans, and corrective action design reports accepted before August 6, 2008.
}
{\plain\f4\fs21\cf2\ulc2
Any owner or operator who had a Tier 2 site cleanup report, Tier 3 report, or corrective action design report approved by the department before August 6, 2008, may elect to submit a Tier 2 site cleanup report using the Appendix B revised model, department-developed software and rules in effect as of August 6, 2008. The owner or operator shall notify the department that the owner or operator wishes to evaluate the leaking underground storage tank site with the Appendix B revised model, software and rules. If the owner or operator so elects, the site shall be assessed, classified, and, if necessary, remediated, in accordance with the rules of the department as of August 6, 2008. If the leaking underground storage tank site is undergoing active remediation, the remediation system shall remain operating until the reevaluation is completed and accepted or as otherwise approved by the department. Once a site has been evaluated using the Appendix B revised model, software and rules in effect as of August 6, 2008, it can no longer be evaluated with the Appendix B-1 old model and software and rules in effect prior to August 6, 2008.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.18(6)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Risk-based corrective action assessment reports, corrective action plans, and corrective action design reports in the process of preparation with a submittal schedule established prior to August 6, 2008.
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator shall notify the department that the owner or operator wishes to use the Appendix B revised model and department software and rules in effect as of August 6, 2008, to evaluate the leaking underground storage tank site before submitting the next report, and prior to expiration of the previously established submittal schedule. Once a site has been evaluated using the Appendix B revised model, software and rules in effect as of August 6, 2008, it can no longer be evaluated with the Appendix B-1 old model, software and rules existing just prior to August 6, 2008.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.18(7)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Risk-based corrective action assessment reports, corrective action plans, and corrective action design reports received by the department but not yet reviewed.
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator will notify the department within 60 days of August 6, 2008, whether the owner or operator is electing to complete a risk-based corrective action assessment using Appendix B revised model, department software and rules effective as of August 6, 2008, or proceeding with the risk-based corrective action assessment using Appendix B-1 old model and department software and rules existing prior to August 6, 2008. Once a site has been evaluated using the Appendix B revised model, software and rules it can no longer be evaluated with the previous Appendix B-1 old model, software and rules.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.19
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Analyzing for methyl tertiary-butyl ether (MTBE) in soil and groundwater samples.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.19(1)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
General.
}
{\plain\f4\fs21\cf2\ulc2
The objective of analyzing for MTBE is to determine its presence in soil and water samples collected as part of investigation and remediation of contamination at underground storage tank facilities.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.19(2)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Required MTBE testing.
}
{\plain\f4\fs21\cf2\ulc2
Soil and water samples must be analyzed for MTBE when collected for risk-based corrective action as required in rules 567—135.8(455B) through 567—135.12(455B). These sampling requirements include but are not limited to:
}
\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
Risk-based corrective action (RBCA) evaluations required for Tier 1, Tier 2, and Tier 3 assessments and corrective action design reports.
}
\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
Site 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\cf2\ulc2
Site remediation monitoring.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.19(3)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
MTBE testing not required.
}
{\plain\f4\fs21\cf2\ulc2
Soil and water samples for the following actions are not required to be analyzed for MTBE:
}
\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
Closure sampling under rule 567—135.15(455B) unless Tier 1 or Tier 2 sampling is being performed.
}
\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
Site checks under subrule 135.7(3) unless Tier 1 or Tier 2 sampling is being performed.
}
\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
If prior analysis at a site under 135.19(2) has not shown MTBE present in soil or groundwater.
}
\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
If the department determines MTBE analysis is no longer needed at a site.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.19(4)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Reporting.
}
{\plain\f4\fs21\cf2\ulc2
The analytical data must be submitted in a format prescribed by the department.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.19(5)
}
{\plain\f4\fs21\cf2\ulc2
}
{\plain\f4\fs21\i\cf2\ulc2
Analytical methods for methyl tertiary-butyl ether (MTBE).
}
{\plain\f4\fs21\cf2\ulc2
When having soil or water analyzed for MTBE from contamination caused by petroleum or hazardous substances, owners and operators of UST systems must use a laboratory certified under 567—Chapter 83 for petroleum analyses. In addition, the owners and operators must ensure all soil and water samples are properly preserved and shipped within 72 hours of collection to a laboratory certified under 567—Chapter 83 for petroleum analyses.
}
\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
Sample preparation and analysis shall be by:
}
\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
GC/MS version of OA-1, “Method for Determination of Volatile Petroleum Hydrocarbons (gasoline),” revision 7/27/93, University Hygienic Laboratory, Iowa City, Iowa; 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
U.S. Environmental Protection Agency Method 8260B, SW-846, “Test Methods for Evaluating Solid Waste,” Third Edition.
}
\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
Laboratories performing the analyses must run standards for MTBE on a routine basis, and standards for other possible compounds like ethyl tertiary-butyl ether (ETBE), tertiary-amyl methyl ether (TAME), diisopropyl ether (DIPE), and tertiary-butyl alcohol (TBA) to be certain of their identification should they be detected.
}
\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
Laboratories must run a method detection limit study and an initial demonstration of capability for MTBE. These records must be kept on file.
}
\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
The minimum detection level for MTBE in soil is 15 ug/kg. The minimum detection level for MTBE in water is 15 ug/l.
}
\par
\pard\keepn\sb210\qj\sl250
{\plain\f4\fs21\b\cf2\ulc2
567—135.20
}
{\plain\f4\fs21\b\cf2\ulc2
(455B) Compliance inspection of UST system.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.20(1)
}
{\plain\f4\fs21\cf2\ulc2
The owner or operator must have the UST system inspected and an inspection report submitted to the department by a UST compliance inspector certified by the department under 567—Chapter 134. An initial compliance site inspection shall be conducted no later than December 31, 2007. All subsequent compliance site inspections conducted after the compliance site inspection for the 2008-2009 biennial period shall be conducted within 24 months of the prior compliance site inspection. Compliance site inspections must be separated by at least six months.
}
\par
\pard\qj\sl250\tx340
{\plain\f4\fs21\cf2\ulc2
\tab
}
{\plain\f4\fs21\b\cf2\ulc2
135.20(2)
}
{\plain\f4\fs21\cf2\ulc2
Compliance inspection requirements. The owner or operator is responsible to ensure the department receives ten days’ prior notice by the compliance inspector of the date of a site inspection and the name of the inspector as provided in 567—134.14(455B). The owner and operator must comply with the following as part of the inspection process.
}
\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
Review and respond to the inspection report provided by the certified compliance inspector and complete the corrective actions specified in the compliance inspection report within the specified time frames.
}
\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
Provide all records and documentation required by the certified compliance inspector and this chapter.
}
\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
Upon notification of a suspected release by the certified compliance inspector pursuant to 567—subrule 134.14(1), report the condition to the department and undertake steps to investigate and confirm the suspected release as provided in 567—135.6(455B).
}
\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
Ensure that the compliance inspector completes and submits an electronic inspection form in accordance with 567—134.14(455B).
}
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\tab
}
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135.20(3)
}
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The owner and operator shall do the following upon receipt of a compliance inspection report as provided in 567—subrule 134.14(1) which finds violations of the department’s rules:
}
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\tab
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a.
}
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\tab
}
{\plain\f4\fs21\cf2\ulc2
Take all actions necessary to correct any compliance violations or deficiencies in accordance with this chapter. Corrective action must be taken within the time frame established by rule or, if no time frames are established by rule, within 60 days of receipt of the inspector’s report or another reasonable time period approved by the department. The granting of time to remedy a violation does not preclude the department from exercising its discretion to assess penalties for the violation.
}
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{\plain\f4\fs21\cf2\ulc2
\tab
}
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b.
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\tab
}
{\plain\f4\fs21\cf2\ulc2
Within 60 days of receipt of the inspector’s report, provide documentation to the compliance inspector that the violation or deficiencies have been corrected.
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{\plain\f4\fs21\cf2\ulc2
\tab
}
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c.
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\tab
}
{\plain\f4\fs21\cf2\ulc2
Conduct a follow-up inspection in instances where there are serious problems or a history of repeated violations when required by the department.
}
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\tab
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135.20(4)
}
{\plain\f4\fs21\cf2\ulc2
Conflict of interest. A compliance site inspection must be conducted by a certified compliance inspector who is not the owner or operator of the UST system being inspected, an employee of the owner or operator of the UST system being inspected, or a person having daily on-site responsibility for the operation and maintenance of the UST system.
}
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[
}
{\plain\f4\fs16\b\cf2
ARC 8124B
}
{\plain\f4\fs16\cf2
, IAB 9/9/09, effective 10/14/09]
}
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{\plain\f4\fs21\b\cf2
Appendix A - Tier 1 Table, Assumptions, Equations and Parameter Values
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{\plain\f4\fs21\cf2
Iowa Tier 1 Look-Up Table
}
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Receptor
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Benzene
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Toluene
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Ethylbenzene
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Xylenes
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Diesel*
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Waste Oil
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Groundwater (µg/L)
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Groundwater Ingestion
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Actual
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5
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1,000
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700
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10,000
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1,200
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400
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290
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3,700
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73,000
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75,000
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40,000
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All
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20,190
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46,000
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NA
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2,200,000
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NA
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Groundwater to Water Line
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{\plain\f4\fs14\cf2
PVC or Gasketed Mains
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{\plain\f4\fs14\cf2
7,500
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{\plain\f4\fs14\cf2
6,250
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{\plain\f4\fs14\cf2
40,000
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{\plain\f4\fs14\cf2
48,000
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{\plain\f4\fs14\cf2
75,000
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\cell
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40,000
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\clpadfl3\clpadl80
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\pard\intbl
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\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
PVC or Gasketed Service Lines
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
3,750
}
\cell
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{\plain\f4\fs14\cf2
3,120
}
\cell
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{\plain\f4\fs14\cf2
20,000
}
\cell
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{\plain\f4\fs14\cf2
24,000
}
\cell
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{\plain\f4\fs14\cf2
75,000
}
\cell
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{\plain\f4\fs14\cf2
40,000
}
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\clpadfr3\clpadr80
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\clpadfb3\clpadb80
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
PE/PB/AC Mains or Service Lines
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
200
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
3,120
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
3,400
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
19,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
75,000
}
\cell
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{\plain\f4\fs14\cf2
40,000
}
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\clpadfr3\clpadr80
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\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\cellx5842
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\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\cellx7925
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
Surface Water
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
All
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
290
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
1,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
3,700
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
73,000
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
75,000
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
40,000
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1004
\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
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4051
\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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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6566
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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{\plain\f4\fs14\cf2
Soil (mg/kg)
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
Soil Leaching to Groundwater
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
All
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
0.54
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
42
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
15
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
3,800
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
NA
}
\cell
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\clpadfr3\clpadr80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
Soil Vapor to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
All
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
1.16
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
48
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
79
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
47,500
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
NA
}
\cell
\row
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
Soil to Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
All
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
2.0
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
3.2
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
45
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
52
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
10,500
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
NA
}
\cell
\row
\pard\sb140\qj\sl250
{\plain\f4\fs14\cf2
NA: Not applicable. There are no limits for the chemical for the pathway, because for groundwater pathways the concentration for the designated risk would be greater than the solubility of the pure chemical in water, and for soil pathways the concentration for the designated risk would be greater than the soil concentration if pure chemical were present in the soil.
}
\par
\pard\qj\sl250
{\plain\f4\fs14\cf2
TEH: Total Extractable Hydrocarbons. The TEH value is based on risks from naphthalene, benzo(a)pyrene, benz(a)anthracene, and chrysene. Refer to Appendix B for further details.
}
\par
\pard\qj\sl250
{\plain\f4\fs14\cf2
Diesel*: Standards in the Diesel column apply to all low volatile petroleum hydorcarbons except waste oil.
}
\par
\pard\qj\sl250
{\plain\f4\fs14\ul\cf2\ulc2
Assumptions Used for Iowa Tier 1 Look-Up Table Generation
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs14\cf2
1. Groundwater ingestion pathway. The maximum contaminant levels (MCLs) were used for Group 1 chemicals. The target risk for carcinogens for actual receptors is 10
}
{\plain\f4\fs14\cf2
-6
}
{\plain\f4\fs14\cf2
and for potential receptors is 10
}
{\plain\f4\fs14\cf2
-4
}
{\plain\f4\fs14\cf2
. A hazard quotient of one, and residential exposure and building parameters are assumed.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs14\cf2
2. Groundwater vapor to enclosed space pathway. Residential exposure and residential building parameters are assumed; no inhalation reference dose is used for benzene; the capillary fringe is assumed to be the source of groundwater vapor; and the hazard quotient is 1 and target risk for carcinogens is 1x10
}
{\plain\f4\fs14\cf2
-4
}
{\plain\f4\fs14\cf2
.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs14\cf2
3. Groundwater to water line. This pathway uses the same assumptions as the groundwater ingestion pathway for potential receptors, including a target risk for carcinogens of 10
}
{\plain\f4\fs14\cf2
-4
}
{\plain\f4\fs14\cf2
.
}
\par
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{\plain\f4\fs14\cf2
4. Surface water. This pathway uses the same assumptions as the groundwater ingestion pathway for potential receptors, including a target risk for carcinogens of 10
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-4
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, except for toluene which has a chronic level for aquatic life of 1,000 as in the definition for surface water criteria in 567—135.2(455B).
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5. Soil leaching to groundwater. This pathway assumes the groundwater will be protected to the same levels as the groundwater ingestion pathway for potential receptors, using residential exposure and a target risk for carcinogens of 10
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-4
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.
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6. Soil vapor to enclosed space pathway. The target risk for carcinogens is 1x10
}
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-4
}
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; the hazard quotient is 1; no inhalation reference dose is used for benzene; residential exposure factors are assumed; and the average of the residential and nonresidential building parameters is assumed.
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7. Soil to water line pathway. This pathway uses the soil leaching to groundwater model with nonresidential exposure and a target risk for carcinogens of 10
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-4
}
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.
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In addition to these assumptions, the equations and parameter values used to generate the Iowa Tier 1 Look-Up Table are described below.
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{\plain\f4\fs21\ul\cf2\ulc2
Groundwater Ingestion Equations
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Carcinogens:
}
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\~
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\~
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\~
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\~
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\~
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\~
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365 days
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year
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[
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mg
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TR × BW × AT
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c
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×
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2
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O
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SF
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o
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× IR
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w
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Noncarcinogens:
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\~
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\~
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\~
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\~
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\~
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\~
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[
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×
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O
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IR
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Soil Leaching to Groundwater Equations
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}
}
\par
\pard\pagebb\qj\sl250
{\plain\f4\fs21\ul\cf2\ulc2
Soil Vapor to Enclosed Space Equations
}
\par
\pard\fi340\sl250
{\plain\f4\fs21\cf2
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Indoor Air Inhalation Equations
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Carcinogens:
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\~
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\~
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\~
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\~
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\~
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\~
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year
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\~
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c
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SF
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i
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\~
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\~
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\~
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\~
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\~
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\~
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mg
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IR
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air
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}
\par
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}
\par
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{\plain\f4\fs14\ul\cf2\ulc2
Variable Definitions
}
\par
\pard\plain\f0\fs17
\par
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{\plain\f4\fs14\cf2
\u948?
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{\plain\f4\fs14\cf2
groundwater mixing zone thickness (cm)
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\u951?
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areal fraction of cracks in foundation/wall (cm
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2
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2
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-area)
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\u961?
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soil bulk density (g/cm
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3
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)
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acrack
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volumetric air content in foundation/wall cracks (cm
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3
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}
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}
{\plain\f4\fs11\super\cf2
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}
{\plain\f4\fs14\cf2
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}
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}
{\plain\f4\fs14\cf2
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}
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}
{\plain\f4\fs14\cf2
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}
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}
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}
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}
{\plain\f4\fs14\cf2
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}
{\plain\f4\fs11\super\cf2
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}
{\plain\f4\fs14\cf2
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}
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}
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}
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}
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}
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body weight (kg)
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{\plain\f4\fs11\super\cf2
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chemical diffusion coefficient in air (cm
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{\plain\f4\fs11\super\cf2
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{\plain\f4\fs14\cf2
/s)
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{\plain\f4\fs14\cf2
/s)
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}
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}
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enclosed space air exchange rate (s
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)
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fraction organic carbon in the soil (kg-C/kg-soil)
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henry’s law constant (L-H
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2
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{\plain\f4\fs14\cf2
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groundwater head gradient (cm/cm)
}
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I
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infiltration rate of water through soil (cm/year)
}
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daily indoor inhalation rate (m
}
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3
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/day)
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daily water ingestion rate (L/day)
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K
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hydraulic conductivity (cm/year)
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{\plain\f4\fs11\sub\cf2
oc
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carbon-water sorption coefficient (L-H
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2
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{\plain\f4\fs14\cf2
O/kg-C)
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k
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soil-water sorption coefficient (L-H
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{\plain\f4\fs11\sub\cf2
2
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{\plain\f4\fs14\cf2
O/kg-soil), f
}
{\plain\f4\fs11\sub\cf2
oc
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{\plain\f4\fs14\cf2
x K
}
{\plain\f4\fs11\sub\cf2
oc
}
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{\plain\f4\fs11\sub\cf2
B
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enclosed space volume/infiltration area ratio (cm)
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L
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{\plain\f4\fs11\sub\cf2
crack
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enclosed space foundation or wall thickness (cm)
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LF
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leaching factor from soil to groundwater ((mg/L-H
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{\plain\f4\fs11\sub\cf2
2
}
{\plain\f4\fs14\cf2
O)/(mg/kg-soil))
}
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\clpadft3\clpadt80
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L
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{\plain\f4\fs11\sub\cf2
gw
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depth to groundwater from the enclosed space foundation (cm)
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depth to subsurface soil sources from the enclosed space foundation (cm)
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air
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Risk-Based Screening Level for vapor from groundwater to enclosed space air inhalation (mg/L-H
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2
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Risk-Based Screening Level for soil leaching to groundwater (mg/kg-soil)
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Risk-Based Screening Level for vapors from soil to enclosed space air inhalation (mg/kg-soil)
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Risk-Based Screening Level for groundwater ingestion (mg/L-H
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O)
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i
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inhalation chronic reference dose ((mg/(kg-day))
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oral chronic reference dose ((mg/(kg-day))
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i
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inhalation cancer slope factor ((kg-day)/mg)
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oral cancer slope factor ((kg-day)/mg)
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THQ
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target hazard quotient for individual constituents (unitless)
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TR
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target excess individual lifetime cancer risk (unitless)
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U
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groundwater Darcy velocity (cm/year), U=Ki
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VF
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gw
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volatilization factor for vapors from groundwater to enclosed space ((mg/m
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3
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-air)/(mg/L-H
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2
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O))
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VF
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sv
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volatilization factor for vapors from soil to enclosed space ((mg/m
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3
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W
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width of soil source area parallel to groundwater flow direction (cm)
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Soil and Groundwater Parameter Values Used for Iowa Tier 1 Table Generation
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Parameter
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Iowa Tier 1 Table Value
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K
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hydraulic conductivity
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16060 cm/year
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i
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groundwater head gradient
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0.01 cm/cm
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W
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width of soil source area parallel to groundwater flow direction
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1500 cm
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I
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infiltration rate of water through soil
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7 cm/year
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\u948?
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groundwater mixing zone thickness
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200 cm
}
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s
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soil bulk density
}
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1.86 g/cm
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3
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as
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volumetric air content in vadose zone
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0.2 cm
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3
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-air/cm
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{\plain\f4\fs11\super\cf2
3
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-soil
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\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
\u952?
}
{\plain\f4\fs11\sub\cf2
ws
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
volumetric water content in vadose zone
}
\cell
\pard\intbl\li80\ri80\sl160
{\plain\f4\fs14\cf2
0.1 cm
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
-H
}
{\plain\f4\fs11\sub\cf2
2
}
{\plain\f4\fs14\cf2
O/cm
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
-soil
}
\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\cellx805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5565
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7445
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
\u952?
}
{\plain\f4\fs11\sub\cf2
acrack
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
volumetric air content in foundation/wall cracks
}
\cell
\pard\intbl\li80\ri80\sl160
{\plain\f4\fs14\cf2
0.2 cm
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
-air/cm
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
-soil
}
\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\cellx805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5565
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7445
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
\u952?
}
{\plain\f4\fs11\sub\cf2
wcrack
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
volumetric water content in foundation/wall cracks
}
\cell
\pard\intbl\li80\ri80\sl160
{\plain\f4\fs14\cf2
0.1 cm
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
-H
}
{\plain\f4\fs11\sub\cf2
2
}
{\plain\f4\fs14\cf2
O/cm
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
-soil
}
\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\cellx805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5565
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7445
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
\u952?
}
{\plain\f4\fs11\sub\cf2
T
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
total soil porosity
}
\cell
\pard\intbl\li80\ri80\sl160
{\plain\f4\fs14\cf2
0.3 cm
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
-voids/cm
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
-soil
}
\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\cellx805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5565
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7445
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
f
}
{\plain\f4\fs11\sub\cf2
oc
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
fraction organic carbon in the soil
}
\cell
\pard\intbl\li80\ri80\sl160
{\plain\f4\fs14\cf2
0.01 kg-C/kg-soil
}
\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\cellx805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5565
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7445
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
L
}
{\plain\f4\fs11\sub\cf2
s
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
depth to subsurface soil sources from the enclosed space foundation
}
\cell
\pard\intbl\li80\ri80\sl160
{\plain\f4\fs14\cf2
1 cm
}
\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\cellx805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5565
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7445
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
L
}
{\plain\f4\fs11\sub\cf2
gw
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
depth to groundwater from the enclosed space foundation
}
\cell
\pard\intbl\li80\ri80\sl160
{\plain\f4\fs14\cf2
1 cm
}
\cell
\row
\pard\keepn\sb170\sl250
{\plain\f4\fs21\cf2
Exposure Factors Used in Iowa Tier 1 Table Generation
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6365
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7525
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
Residential
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
Nonresidential
}
\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\cellx1165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6365
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7525
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
AT
}
{\plain\f4\fs11\sub\cf2
c
}
{\plain\f4\fs14\cf2
(years)
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
averaging time for carcinogens
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
70
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
70
}
\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\cellx1165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6365
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7525
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
AT
}
{\plain\f4\fs11\sub\cf2
n
}
{\plain\f4\fs14\cf2
(years)
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
averaging time for noncarcinogens
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
30
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
25
}
\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\cellx1165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6365
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7525
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
BW (kg)
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
body weight
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
70
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
70
}
\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\cellx1165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6365
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7525
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
ED (years)
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
exposure duration
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
30
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
25
}
\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\cellx1165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6365
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7525
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
EF (days/year)
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
exposure frequency
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
350
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
250
}
\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\cellx1165
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5205
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6365
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7525
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
IR
}
{\plain\f4\fs11\sub\cf2
air
}
{\plain\f4\fs14\cf2
(m
}
{\plain\f4\fs11\super\cf2
3
}
{\plain\f4\fs14\cf2
/day)
}
\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
daily indoor inhalation rate
}
\cell
\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
15
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
20
}
\cell
\row
\trowd\trleft5
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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IR
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w
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(L/day)
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daily water ingestion rate
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2
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1
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THQ (unitless)
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target hazard quotient for individual constituents
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1.0
}
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1.0
}
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Building Parameters Used in Iowa Tier 1 Table Generation
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Parameter
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Residential
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Nonresidential
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ER (s
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-1
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)
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{\plain\f4\fs14\cf2
enclosed space air exchange rate
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0.00014
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0.00023
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L
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B
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(cm)
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enclosed space volume/infiltration area ratio
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{\plain\f4\fs14\cf2
200
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\cell
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{\plain\f4\fs14\cf2
300
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L
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crack
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(cm)
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enclosed space foundation or wall thickness
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15
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15
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\clpadfl3\clpadl80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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{\plain\f4\fs14\cf2
\u951?
}
\cell
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{\plain\f4\fs14\cf2
areal fraction of cracks in foundation/wall
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{\plain\f4\fs14\cf2
0.01
}
\cell
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{\plain\f4\fs14\cf2
0.01
}
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{\plain\f4\fs21\cf2
Chemical-Specific Parameter Values Used for Iowa Tier 1 Table Generation
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\par
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\clpadft3\clpadt80
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Chemical
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D
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air
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(cm
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{\plain\f4\fs11\super\cf2
2
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/s)
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D
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wat
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(cm
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{\plain\f4\fs11\super\cf2
2
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{\plain\f4\fs14\cf2
/s)
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H (L-air/L-water)
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{\plain\f4\fs14\cf2
log(K
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oc
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), L/kg
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\clpadft3\clpadt80
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\clpadfr3\clpadr80
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\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
Benzene
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{\plain\f4\fs14\cf2
0.093
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{\plain\f4\fs14\cf2
1.1e-5
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\cell
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{\plain\f4\fs14\cf2
0.22
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\cell
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{\plain\f4\fs14\cf2
1.58
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Toluene
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{\plain\f4\fs14\cf2
0.085
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{\plain\f4\fs14\cf2
9.4e-6
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{\plain\f4\fs14\cf2
0.26
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2.13
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\clpadfr3\clpadr80
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\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
Ethylbenzene
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\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
0.076
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\cell
\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
8.5e-6
}
\cell
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{\plain\f4\fs14\cf2
0.32
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\cell
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{\plain\f4\fs14\cf2
1.98
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\clpadft3\clpadt80
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\clpadfr3\clpadr80
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\clpadfr3\clpadr80
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\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
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{\plain\f4\fs14\cf2
Xylenes
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0.072
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8.5e-6
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0.29
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2.38
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{\plain\f4\fs14\cf2
Naphthalene
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0.072
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9.4e-6
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0.049
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3.11
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{\plain\f4\fs14\cf2
Benzo(a)pyrene
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0.050
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5.8e-6
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5.8e-8
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5.59
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{\plain\f4\fs14\cf2
Benz(a)anthracene
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{\plain\f4\fs14\cf2
0.05
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{\plain\f4\fs14\cf2
9.0e-6
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{\plain\f4\fs14\cf2
5.74e-7
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{\plain\f4\fs14\cf2
6.14
}
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{\plain\f4\fs14\cf2
Chrysene
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{\plain\f4\fs14\cf2
0.025
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{\plain\f4\fs14\cf2
6.2e-6
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{\plain\f4\fs14\cf2
4.9e-7
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5.30
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{\plain\f4\fs21\cf2
Saturation Values Used to Determine “NA” for the Iowa Tier 1 Table
}
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\par
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{\plain\f4\fs14\cf2
Chemical
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{\plain\f4\fs14\cf2
Solubility in Water (mg/L)
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\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
S
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\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
Saturation in Soil (mg/kg)
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{\plain\f4\fs14\cf2
C
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{\plain\f4\fs11\sub\cf2
s
}
{\plain\f4\fs11\super\cf2
sat
}
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{\plain\f4\fs14\cf2
Benzene
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{\plain\f4\fs14\cf2
1,750
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{\plain\f4\fs14\cf2
801
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{\plain\f4\fs14\cf2
Toluene
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535
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765
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{\plain\f4\fs14\cf2
Ethylbenzene
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{\plain\f4\fs14\cf2
152
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159
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{\plain\f4\fs14\cf2
Xylenes
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{\plain\f4\fs14\cf2
198
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492
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{\plain\f4\fs14\cf2
Naphthalene
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{\plain\f4\fs14\cf2
31
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{\plain\f4\fs14\cf2
401
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{\plain\f4\fs14\cf2
Benzo(a)pyrene
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{\plain\f4\fs14\cf2
0.0012
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{\plain\f4\fs14\cf2
4.69
}
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\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
Benz(a)anthracene
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{\plain\f4\fs14\cf2
0.014
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{\plain\f4\fs14\cf2
193.3
}
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\pard\intbl\li80\ri90\sl160
{\plain\f4\fs14\cf2
Chrysene
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\pard\intbl\qc\li80\ri90\sl160
{\plain\f4\fs14\cf2
0.0028
}
\cell
\pard\intbl\qc\li80\ri80\sl160
{\plain\f4\fs14\cf2
5.59
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\pard\sb140\qj\sl250
{\plain\f4\fs14\cf2
The maximum solubility of the pure chemical in water is listed in the table above. The equation below is used to calculate the soil concentration (C
}
{\plain\f4\fs14\cf2
s
}
{\plain\f4\fs14\cf2
sat
}
{\plain\f4\fs14\cf2
) at which dissolved pore-water and vapor phases become saturated. Tier 1 default values are used in the equation. “NA” (for not applicable) is used in the Tier 1 table when the risk-based value exceeds maximum solubility for water (S) or maximum saturation for soil (C
}
{\plain\f4\fs14\cf2
s
}
{\plain\f4\fs14\cf2
sat
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{\plain\f4\fs14\cf2
).
}
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{\plain\f4\fs21\cf2
C
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{\plain\f4\fs16\sub\cf2
s
}
{\plain\f4\fs16\super\cf2
sat
}
{\plain\f4\fs21\cf2
(mg/kg-soil) = S/
}
{\plain\f4\fs16\cf2
\u961?
}
{\plain\f4\fs16\sub\cf2
s
}
{\plain\f4\fs21\cf2
x (H
}
{\plain\f4\fs16\cf2
\u952?
}
{\plain\f4\fs16\sub\cf2
as
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Slope Factors and Reference Doses Used for Iowa Tier 1 Table Generation
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0.029
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----
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----
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----
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----
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0.114
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0.2
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----
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----
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0.286
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0.1
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Xylenes
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----
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----
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2.0
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2.0
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----
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----
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0.004
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6.1
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7.3
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----
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----
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Benz(a)anthracene
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0.61
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0.73
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----
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----
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Chrysene
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0.061
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0.073
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----
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----
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[
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ARC 9011B
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, IAB 8/25/10, effective 9/29/10]
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Appendix B – Tier 2 Equations and Parameter Values (Revised Model)
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All Tier 1 equations and parameters apply at Tier 2 except as specified below.
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{\plain\f5\fs18\ul\cf2\ulc2
Equation for Tier 2 Groundwater Contaminant Transport Model
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Equation (1)
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}
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{\plain\f4\fs21\cf2
Equation (2)
}
\par
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{\plain\f4\fs21\cf2
Where x
}
{\plain\f4\fs14\sub\dn5\cf2
m
}
{\plain\f4\fs21\cf2
= ax + bx
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c
}
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{\plain\f4\fs21\cf2
The value of X
}
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m
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{\plain\f4\fs21\cf2
is computed from Equation (2), where the values for a, b and c in Equation (2) are given in Table 1.
}
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{\plain\f4\fs21\cf2
Table 1. Parameter Values for Equation (2)
}
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Chemical
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a
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b
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c
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Benzene
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1
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0.000000227987
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3.929438689
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Toluene
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1
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0.000030701
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3.133842393
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Ethylbenzene
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1
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0.0001
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2.8
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Xylenes
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1
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0.0
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0.0
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{\plain\f4\fs18\cf2
TEH-Diesel
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1
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0.000000565
}
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\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2
3.625804634
}
\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\cellx2278
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2669
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5069
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7669
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
TEH-Waste Oil
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.000000565
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2
3.625804634
}
\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\cellx2278
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2669
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5069
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7669
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
Naphthalene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
0
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2
0
}
\cell
\row
\pard\sb180\qj\fi340\sl250
{\plain\f4\fs21\ul\cf2\ulc2
Variable definitions
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
x: distance in the x direction downgradient from the source
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
erf( ): the error function
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
C(x): chemical concentration in groundwater at x
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
C
}
{\plain\f5\fs14\cf2
s
}
{\plain\f5\fs18\cf2
: Source concentration in groundwater (groundwater concentration at x=0)
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
S
}
{\plain\f5\fs14\cf2
w
}
{\plain\f5\fs18\cf2
: width of the source (perpendicular to x)
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
S
}
{\plain\f5\fs14\cf2
d
}
{\plain\f5\fs18\cf2
: vertical thickness of the source
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
u: groundwater velocity (pore water velocity); u=Ki/
}
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f5\fs18\cf2
e
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
K: hydraulic conductivity
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
i: groundwater head gradient
}
\par
\pard\qj\fi144\sl250
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f5\fs18\cf2
e: effective porosity
}
\par
\pard\qj\fi144\sl250
{\plain\f4\fs18\cf2
\u955?
}
{\plain\f5\fs18\cf2
: first order decay coefficient, chemical specific
}
\par
\pard\qj\fi144\sl250
{\plain\f4\fs18\cf2
\u945?
}
{\plain\f5\fs18\cf2
x,
}
{\plain\f4\fs18\cf2
\u945?
}
{\plain\f5\fs18\cf2
y,
}
{\plain\f4\fs18\cf2
\u945?
}
{\plain\f5\fs18\cf2
z: dispersivities in the x, y and z directions, respectively
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
For the following lists of parameters, one of three is required: site-specific measurements, defaults or the option of either (which means the default may be used or replaced with a site-specific measurement).
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Soil parameters
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u961?
}
{\plain\f4\fs14\sub\cf2
s
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
soil bulk density
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
1.86 g/cm
}
{\plain\f5\fs14\super\cf2
3
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
f
}
{\plain\f4\fs14\sub\cf2
oc
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
fraction organic carbon in the soil
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.01 kg-C/kg-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f4\fs14\sub\cf2
T
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
total soil porosity
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.3cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-voids/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f4\fs14\sub\cf2
as
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
volumetric air content in vadose zone
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.2cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-air/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f4\fs14\sub\cf2
ws
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
volumetric water content in vadose zone
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.1cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-H
}
{\plain\f5\fs14\sub\cf2
2
}
{\plain\f5\fs18\cf2
O/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f4\fs14\sub\cf2
acrack
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
volumetric air content in foundation/wall cracks
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.2cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-air/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f4\fs14\sub\cf2
wcrack
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
volumetric water content in foundation/wall cracks
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.1cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-H
}
{\plain\f5\fs14\sub\cf2
2
}
{\plain\f5\fs18\cf2
O/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx923
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4246
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7142
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
I
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
infiltration rate of water through soil
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
7 cm/year
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\sb180\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
If the total porosity is measured, assume 1/3 is air filled and 2/3 is water filled for determining the water and air fraction in the vadose zone soil and floor cracks.
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Groundwater Transport Modeling Parameters
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\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\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx597
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
K
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
hydraulic conductivity
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
16060 cm/year
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
site-specific
}
\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\cellx597
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
i
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
groundwater head gradient
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.01 cm/cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
site-specific
}
\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\cellx597
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
S
}
{\plain\f5\fs14\sub\cf2
w
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
width of the source
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
use procedure specified in 135.10(2)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
site-specific
}
\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\cellx597
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
S
}
{\plain\f5\fs14\sub\cf2
d
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
vertical thickness of the source
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
3 m
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx597
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\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
\u945?x
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
dispersivity in the x direction
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.1x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx597
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\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
\u945?y
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
dispersivity in the y direction
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.33\u945?x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx597
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\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
\u945?z
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
dispersivity in the z direction
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.05\u945?x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx597
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3254
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6838
\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
\u952?e
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
effective porosity
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.1
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\sb180\qj\fi144\sl250
{\plain\f5\fs18\cf2
where u=Ki/
}
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f5\fs18\cf2
e
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
First-order Decay Coefficients
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1525
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3189
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4349
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Chemical
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
Default Value\u955? (d-1)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx1525
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3189
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4349
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Benzene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.000127441
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1525
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3189
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4349
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Toluene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.0000208066
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1525
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3189
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4349
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Ethylbenzene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1525
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3189
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4349
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Xylenes
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.0005
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1525
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3189
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4349
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Naphthalene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.00013
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1525
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3189
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4349
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
TEH-Diesel
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.0000554955
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1525
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3189
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4349
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
TEH-Waste Oil
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.0000554955
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Other Parameters for Groundwater Vapor to Enclosed Space
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5661
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6994
\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\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5661
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6994
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Lgw
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
depth to groundwater from the enclosed space foundation
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
1 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5661
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6994
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
L
}
{\plain\f5\fs14\sub\cf2
B
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space volume/infiltration area ratio
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
200 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5661
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6994
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
ER (s-1)
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space air exchange rate
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.00014
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5661
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6994
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Lcrack
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space foundation or wall thickness
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
15 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5661
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6994
\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
\u951?
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
areal fraction of cracks in foundation/wall
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.01
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Other Parameters for Soil Vapor to Enclosed Space
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5408
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6934
\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\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx1248
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5408
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6934
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
L
}
{\plain\f5\fs14\sub\cf2
s
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
depth to subsurface soil sources from the enclosed space foundation
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
1 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx1248
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5408
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6934
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
L
}
{\plain\f5\fs14\sub\cf2
B
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space volume/infiltration area ratio
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
250 cm *
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx1248
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5408
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6934
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
ER (s-1)
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space air exchange rate
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.000185 *
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1248
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5408
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6934
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Lcrack
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space foundation or wall thickness
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
15 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1248
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5408
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6934
\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
\u951?
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
areal fraction of cracks in foundation/wall
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.01
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\sb180\qj\fi144\sl250
{\plain\f5\fs18\cf2
*These values are an average of residential and nonresidential factors.
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Soil Leaching to Groundwater
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5902
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7134
\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\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx2108
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5902
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7134
\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
\u948?
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
groundwater mixing zone
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
2 m
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Building Parameters for Iowa Tier 2
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4269
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6007
\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\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Residential
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Nonresidential
}
\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\cellx1290
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4269
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6007
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
ER (s-1)
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space air exchange rate
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.00014
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
0.00023
}
\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\cellx1290
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4269
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6007
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
L
}
{\plain\f5\fs14\sub\cf2
B
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space volume/infiltration area ratio
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
200 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
300 cm
}
\cell
\row
\pard\sb180\qj\ri144\fi144\sl250
{\plain\f5\fs18\ul\cf2\ulc2
Other Parameters
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
For Tier 2, the following are the same as Tier 1 values (refer to Appendix A): chemical-specific parameters, slope factors and reference doses, and exposure factors (except for those listed below).
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
Exposure Factors for Tier 2 Groundwater Vapor to Enclosed Space Modeling:
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
Potential Residential: use residential exposure and residential building parameters.
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
Potential Nonresidential: use nonresidential exposure and nonresidential building parameters.
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\ul\cf2\ulc2
Diesel and Waste Oil
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Diesel and Waste Oil
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Chemical-Specific Values for Tier 1
}
\cell
\row
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Media
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Exposure Pathway
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Receptor
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Naphthalene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Benzo(a)
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
pyrene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Benz(a)
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
anthracene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Chrysene
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(ug/L)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Ingestion
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
actual
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
150
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.012
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.12
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
1.2
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
potential
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
150
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12.0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
4,440
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\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
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater to
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
150
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12.0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Surface Water
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
150
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12.0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(mg/kg)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Leaching
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Groundwater
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
7.6
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\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\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
95
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
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\clpadfb3\clpadb80
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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\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil to
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
21
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\pard\pagebb\sb180\qj\sl250
{\plain\f5\fs18\cf2
Due to difficulties with analytical methods for the four individual chemicals listed in the above table, Total Extractable Hydrocarbon (TEH) default values were calculated for each chemical, using the assumption that diesel contains 0.2% napthalene, 0.001% benzo(a)pyrene, 0.001% benz(a)anthracene, and 0.001% chrysene. Resulting TEH Default Values are shown in the following table.
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Diesel
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
TEH Default Values
}
\cell
\row
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Media
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Exposure Pathway
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Receptor
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Naphthalene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Benzo(a) pyrene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Benz(a)
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
anthracene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Chrysene
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
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\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(ug/L)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Ingestion
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
actual
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
75,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1,200
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
120,000
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
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\clvmrg
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadfb3\clpadb80
\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
potential
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
75,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
120,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1,200,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
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\clpadft3\clpadt80
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\clpadfb3\clpadb80
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\clpadfb3\clpadb80
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\clpadfb3\clpadb80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
2,200,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
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\clpadfr3\clpadr80
\clvertalc
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\clpadfb3\clpadb80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\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
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater to
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
75,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
120,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1,200,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
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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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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\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\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Surface Water
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
75,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
120,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1,200,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
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\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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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(mg/kg)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Leaching
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Groundwater
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3,800
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
47,500
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
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\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\clpadfb3\clpadb80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\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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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil to
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
10,500
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\pard\sb180\qj\sl250
{\plain\f5\fs18\cf2
The lowest TEH default value for each pathway (shown as a shaded box) was used in the Tier 1 Table.
}
\par
\pard\qj\sl250
{\plain\f5\fs18\cf2
Due to difficulties with analytical methods for the four individual chemicals, Total Extractable Hydrocarbon (TEH) default values were calculated for each chemical, using the assumption that waste oil contains no naphthalene, 0.003% benzo(a)pyrene, 0.003% benz(a)anthracene, and 0.003% chrysene. Resulting TEH Default Values are shown in the following table.
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Waste Oil
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
TEH Default Values
}
\cell
\row
\trowd\trleft5\trhdr
\clpadft3\clpadt80
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\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\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
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Media
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Exposure Pathway
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Receptor
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Naphthalene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Benzo(a) pyrene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Benz(a)
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
anthracene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Chrysene
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(ug/L)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Ingestion
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
actual
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
400
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
4,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
40,000
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat15
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
potential
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
40,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
400,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat15
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(ug/L)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat15
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater to
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
40,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
400,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat15
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Surface Water
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
40,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
400,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat15
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(mg/kg)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Leaching
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Groundwater
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat15
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
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\clpadft3\clpadt80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
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\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil to
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\pard\sb180\qj\sl250
{\plain\f4\fs21\cf2
The lowest TEH default value for each pathway (shown as a shaded box) was used in the Tier 1 Table.
}
\par
\pard\pagebb\qj\sl250
{\plain\f4\fs21\cf2
Water Line Calculations
}
\par
\pard\qc\sl250
{\plain\f4\fs21\b\cf2
Explanation of Target Levels for
}
\par
\pard\qc\sl250
{\plain\f4\fs21\b\cf2
Petroleum Fuel-Derived BTEX Compounds in Groundwater and Soil
}
\par
\pard\qj\sl250
{\plain\f4\fs21\b\cf2
GROUNDWATER
}
\par
\pard\qj\sl250
{\plain\f4\fs21\ul\cf2\ulc2
PVC or Gasketed Mains
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Benzene: 7,500
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250\tx40\tx40
{\plain\f4\fs21\cf2
Gasoline-saturated groundwater was considered to be an extreme condition of environmental contamination, and it was considered unacceptable to leave water lines, regardless of material, in contact with this level of benzene contamination. While Ong et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(2008) showed that gasoline-saturated groundwater would not pose a significant risk of permeation exceeding the 5 µg/L MCL for benzene of gasketed DI or PVC water mains, a safety factor of 1/8th was applied to the level of benzene in premium gasoline-saturated water determined by Ong et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(2008). A 1/2 safety factor was compounded for each of four potential safety risks: material defects in the pipe (= 1/2), presence of service line taps (= 1/4), stagnation of water (= 1/6), and water line breaks (= 1/8). This was an average of 67.5 mg/L ± 4.9 mg/L for multiple preparations of gasoline-saturated water and was rounded to 60.0 mg/L to conservatively account for the statistical uncertainty. Hence,
}
\par
\pard\plain\f0\fs20
\par
\trowd\trleft0\trrh389
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx1320
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx1550
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
1
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\row
\trowd\trleft0
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1320
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1550
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\i\cf2
Target Level =
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
–
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
× 60,000 µg/
}
{\plain\f4\fs20\i\cf2
L
}
{\plain\f4\fs20\cf2
= 7,500 µg
}
{\plain\f4\fs20\i\cf2
/L benzene
}
\cell
\row
\trowd\trleft0
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1320
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1550
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
8
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\row
\pard\sb200\qj\sl250
{\plain\f4\fs21\i\cf2
Toluene: 6,250
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250\tx40
{\plain\f4\fs21\cf2
The target level for toluene was determined similarly to that for benzene. The level of toluene in premium gasoline-saturated water was determined by Ong et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(2008) to be 56.2 mg/L ± 4.9 mg/L and conservatively rounded to 50.0 mg/L. Hence,
}
\par
\pard\plain\f0\fs20
\par
\trowd\trleft0\trrh389
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx1320
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx1550
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
1
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\row
\trowd\trleft0
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1320
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1550
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\i\cf2
Target Level =
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
–
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
× 50,000 µg/
}
{\plain\f4\fs20\i\cf2
L
}
{\plain\f4\fs20\cf2
= 6,250 µg
}
{\plain\f4\fs20\i\cf2
/L toluene
}
\cell
\row
\trowd\trleft0
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1320
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1550
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
8
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\row
\pard\sb200\qj\sl250
{\plain\f4\fs21\i\cf2
Ethylbenzene: 40,000 µg/L
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
The target level was set to be double that for PVC or Gasketed Service Lines (20,000 µg/L – see below).
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Total Xylenes: 48,000 µg/L
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
The target level was set to be double that for PVC or Gasketed Service Lines (24,000 µg/L – see below).
}
\par
\pard\qj\sl250
{\plain\f4\fs21\ul\cf2\ulc2
PVC or Gasketed Service Lines
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Benzene: 3,750
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
The target level was set to be one-half of that for PVC or Gasketed Mains (7,500 µg/L as above) since service lines tend to be of higher risk than mains owing to their smaller diameter and greater potential for stagnation.
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Toluene: 3,120
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
Similar to benzene, the target level was set to be one-half of that for PVC or Gasketed Mains (6,250 µg/L as above) since service lines tend to be of higher risk than mains owing to their smaller diameter and greater potential for stagnation. Odd-even rounding to 3 significant figures was applied.
}
\par
\pard\pagebb\qj\sl250
{\plain\f4\fs21\i\cf2
Ethylbenzene: 20,000
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250\tx40
{\plain\f4\fs21\cf2
The target level was based on two observations by Ong et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(2008): (1) premium gasoline-saturated water has an average concentration of 3.4 mg/L ethylbenzene and (2) ethylene permeates high density polyethylene 46 times slower than does benzene (presumably, this is reasonably representative of other materials such as rubber gaskets). The 1/8 safety factor was also applied, as above. Odd-even rounding to 2 significant figures was applied. Hence:
}
\par
\pard\plain\f0\fs20
\par
\trowd\trleft0\trrh389
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx1332
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx2980
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx3230
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
1
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\row
\trowd\trleft0
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1332
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2980
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3230
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\i\cf2
Target Level =
}
\cell
\pard\intbl\qj\li80\ri80\sl220
{\plain\f4\fs20\cf2
3,400 µg/
}
{\plain\f4\fs20\i\cf2
L
}
{\plain\f4\fs20\cf2
× 46
}
{\plain\f4\fs20\i\cf2
x
}
{\plain\f4\fs20\cf2
×
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
–
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
= 19,550 µg
}
{\plain\f4\fs20\i\cf2
/L
}
{\plain\f4\fs20\cf2
= 20,000 µg
}
{\plain\f4\fs20\i\cf2
/L
}
\cell
\row
\trowd\trleft0
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1332
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2980
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3230
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
8
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\row
\pard\sb200\qj\sl250
{\plain\f4\fs21\i\cf2
Total Xylenes: 24,000
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
Similar to ethylbenzene, the target level was based on (1) premium gasoline-saturated water has an average concentration of 19 mg/L total xylenes and (2) total xylenes permeate high density polyethylene 10 times slower than does benzene. The 1/8 safety factor was also applied, as above. Odd-even rounding to 2 significant figures was applied. Hence:
}
\par
\pard\plain\f0\fs20
\par
\trowd\trleft0\trrh389
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx1351
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx3152
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx3419
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
1
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\row
\trowd\trleft0
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1351
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3152
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3419
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\i\cf2
Target Level =
}
\cell
\pard\intbl\qj\li80\ri80\sl220
{\plain\f4\fs20\cf2
19,000 µg/
}
{\plain\f4\fs20\i\cf2
L
}
{\plain\f4\fs20\cf2
× 10
}
{\plain\f4\fs20\i\cf2
x
}
{\plain\f4\fs20\cf2
×
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
–
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
= 23,750 µg
}
{\plain\f4\fs20\i\cf2
/L
}
{\plain\f4\fs20\cf2
= 24,000 µg
}
{\plain\f4\fs20\i\cf2
/L
}
\cell
\row
\trowd\trleft0
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx1351
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3152
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx3419
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx8640
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\pard\intbl\qc\li80\ri80\sl220
{\plain\f4\fs20\cf2
8
}
\cell
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\cf2
\~
}
\cell
\row
\pard\sb200\qj\sl250
{\plain\f4\fs21\ul\cf2\ulc2
PE/PB/AC
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Benzene: 200
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
The target level was set at the concentration of benzene in groundwater surrounding a 1\u8243? HDPE service line (SIDR 9 IPS) that would result in a concentration of 2 µg/L benzene in the service line after a 24 hr stagnation period. This level was chosen because 2 µg/L is generally the minimum reportable concentration of benzene in laboratory reports received by the department.
}
\par
\pard\qj\sl250\tx40
{\plain\f4\fs21\cf2
The permeation rate is a function of the concentration of benzene in the groundwater as described by Ong et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(2008), equation 3.4a:
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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
45a3d1a3a3235c763a1dbfdf6f6698999941770040bfdf0700b7db3d5e4a9224a7d3393414baddee402080051debf5105455c546e2f3f95ebf7e3dde53433c83c1603cbf19165eaed7ebe603dcbe7d1b00767676229148a9543a3e3ea669da72b6dbdeded6ac303aae521425cb323e57abd5a5a52500902449100400080683dd6e57511434269148e07d5b4a21debf7f6fe94700e038ce6eb76397733a9d00707a7a0a00baae6f6c6c208fa228e17058100496655555952429994ce219054140ab64590e87c3c4452e974b92248661d0cef118f6b2a228a552a9d3e9108ac3e168369b344d9f9e9edeb87183a2a8cf9f3f7bbd5e4b75362b8cb245221100c864
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
288ac2664a5af093274f2e70a0ff3c5455ed76bb8542a1d3e9acacac906f20f8b1a2d7eb653299870f1f76bbdd6c364bd3f4c1c1c1dcdc5c30187cf0e0c1f4f474241239f7e2af19937fa4000040d7754b679d45bf10265ebe0a4cbee25f05265ebe0a4cbc7c159878f92a30f1f255e04f714ac99c13e9118c0000000049454e44ae426082
}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
where P
}
{\plain\f4\fs16\sub\cf2
m
}
{\plain\f4\fs21\cf2
is the benzene permeation rate in µg/cm
}
{\plain\f4\fs16\super\cf2
2
}
{\plain\f4\fs21\cf2
/day through the pipe described above (cm
}
{\plain\f4\fs16\super\cf2
2
}
{\plain\f4\fs21\cf2
refers to the inner surface of the pipe) and C
}
{\plain\f4\fs16\sub\cf2
bulk
}
{\plain\f4\fs21\cf2
is the concentration of benzene in the groundwater (mg/L).
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
For any length of exposed 1\u8243? SIDR 9 IPS pipe, l (cm), the concentration in the pipe after 24 hr stagnation, C
}
{\plain\f4\fs16\sub\cf2
24hr
}
{\plain\f4\fs21\cf2
(µg/L), can be computed from P
}
{\plain\f4\fs16\sub\cf2
m
}
{\plain\f4\fs21\cf2
and the ratio of the inner surface of the pipe to the internal volume:
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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
f5d9679f41092533a752a9fbf7ef7ff9e5970d6f2591c3b2b0b0f0e1871f0a0e52ab923305313e1b218ee37c3e9f4ea7e338aedcc0ab70ab020683a1dcfe15be53875f72b907954c172442009638559e046a1318401c964708c3305eaf17cec51011a91e71588a889c384ebbc94744e404220e4b11911387382c45444e1cff034ab00bf4d987520a0000000049454e44ae426082
}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
where r is the inside radius of the pipe (cm), l is the length of exposed pipe (cm), and dividing by 1000 converts from cm
}
{\plain\f4\fs16\super\cf2
3
}
{\plain\f4\fs21\cf2
to liters (and, therefore, 2000/r converts µg/cm
}
{\plain\f4\fs16\super\cf2
2
}
{\plain\f4\fs21\cf2
/day to µg/L/day).
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
Solving for C
}
{\plain\f4\fs16\sub\cf2
bulk
}
{\plain\f4\fs21\cf2
(mg/L) with C
}
{\plain\f4\fs16\sub\cf2
24hr
}
{\plain\f4\fs21\cf2
= 2 µg/L and r = 1.28 cm (per manufacturer’s specifications):
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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048165d95028846e8f61184c47e5f379924dcfe5727d7d7d2ccb7abd5e8ee34eaf3f8aa21acd70e3fcdae0c47eea743a9aa6c3e13026c86d361bdaba52a9040056abf5f8f8787373d36c360f0c0c60ee2e93c94c4d4d0140b55a25c5b0adad2d9fcf974aa5e4d9db53e24cd615ef22e8f5fa56ad70432b4268752b72d78180e42d9159abd59ebb0a01adef4c60924471c14214c57c3eafeeb1293328eca7dd6e9f9f9f9f9c9c5c5a5a22e7eb7c3e4f74d9d9d9a9d3e972b91c9e0bf7f7f7f57a3d00643219cce6711c67341ac3e1304551eace2e110cc3acafaf03c0fcfcbcfa28298a622010a8d7eba552499ee46cda2a954a2dcbb0baba8af468348accebeb
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}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
and
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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5576f2bb63f8e8b436ad174e8fd4f117010a24ffbdd767bb266b59a83bf3a23aeaa8c38abfe0ff4575d4f187a3ee4575d4512bea5e54471db5a2ee4575d4512bfe011e0d9372d170ec800000000049454e44ae426082
}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
While the target level is expressed as 200 µg/L for clarity, the underlying data support only two significant figures. In a stricter treatment of the data, this would be expressed as 20 × 10
}
{\plain\f4\fs16\super\cf2
1
}
{\plain\f4\fs21\cf2
µg/L.
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Toluene: 3,120
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250\tx40
{\plain\f4\fs21\cf2
The target level was set to be equal to that for PVC or Gasketed Service Lines. Calculations similar to those used above for benzene (Ong et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(2008), equation 3.4b) indicate that 3,120 µg/L toluene in groundwater would result in 50 µg/L inside a 1" SIDR 9 IPS HDPE pipe after 24 hours of stagnation, which is 1/20th of the 1,000 µg/L MCL for toluene.
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Ethylbenzene: 3,400
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250\tx40
{\plain\f4\fs21\cf2
The target level was set to be equal to the concentration of ethylbenzene in premium gasoline-saturated water (see discussion above for PVC or Gasketed Mains/Benzene). Unlike other target levels based on contaminant concentrations in gasoline-saturated water, the 1/8th safety factor was not applied because of the very low permeation rate of ethylbenzene through HDPE, the relatively low solubility of ethylbenzene in water, and the relatively high MCL (700 µg/L). Ong et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(2008) found that permeation of HDPE by aqueous ethylbenzene was minimal and of no consequence for public health.
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Total Xylenes: 19,000
}
{\plain\f0\fs21\i\cf2
µ
}
{\plain\f4\fs21\i\cf2
g/L
}
\par
\pard\qj\sl250\tx40
{\plain\f4\fs21\cf2
The target level was set to be equal to the concentration of ethylbenzene in premium gasoline-saturated water following the same reasoning for ethylbenzene (above). The permeation rate and water solubility are also very low, and the MCL is 10,000 µg/L. Ong et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(2008) found that permeation of HDPE by aqueous xylenes was minimal and of no consequence for public health.
}
\par
\pard\qj\sl250
{\plain\f4\fs21\b\cf2
SOIL
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
Target levels for soil were set to be the same for mains and service lines of any material discussed above under “Groundwater.” The underlying data support two significant figures for target levels in soil. Odd-even rounding was applied where appropriate.
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Benzene: 2.0 mg/Kg
}
\par
\pard\qj\sl250\tx40
{\plain\f4\fs21\cf2
The target level was derived from the concentration of benzene (mg/Kg) that would result if soil that was 10% moisture and 1% organic matter was equilibrated with premium gasoline-saturated water (60 mg/L benzene – as per discussion of PVC or Gasketed Mains/Benzene above). The equilibrium concentration in soil was calculated using the approach of Chiou et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(1983). The 1/8th safety factor discussed previously for groundwater was applied. Accordingly:
}
\par
\pard\plain\f0\fs20
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2880
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\i\cf2
C
}
{\plain\f4\fs15\i\sub\cf2
T
}
{\plain\f4\fs20\i\cf2
= C
}
{\plain\f4\fs15\i\sub\cf2
W
}
{\plain\f4\fs20\i\cf2
K
}
{\plain\f4\fs15\i\sub\cf2
d
}
{\plain\f4\fs20\i\cf2
+ C
}
{\plain\f4\fs15\i\sub\cf2
W
}
{\plain\f4\fs15\i\super\cf2
\u952?
}
\cell
\row
\pard\sb200\qj\sl250
{\plain\f4\fs21\cf2
where C
}
{\plain\f4\fs16\sub\cf2
T
}
{\plain\f4\fs21\cf2
is the total concentration of benzene in soil (mg/Kg),
}
{\plain\f6\fs21\cf2
\u952?
}
{\plain\f4\fs21\cf2
is the fraction of moisture in the soil (Kg/Kg), and K
}
{\plain\f4\fs14\sub\dn5\cf2
d
}
{\plain\f4\fs21\cf2
is the partition coefficient from water to soil (L/Kg). Further:
}
\par
\pard\plain\f0\fs20
\par
\trowd\trleft0
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\cellx2880
\pard\intbl\li80\ri80\sl220
{\plain\f4\fs20\i\cf2
K
}
{\plain\f4\fs15\i\sub\cf2
d
}
{\plain\f4\fs20\i\cf2
= K
}
{\plain\f4\fs15\i\sub\cf2
om
}
{\plain\f4\fs20\i\cf2
f
}
{\plain\f4\fs15\i\sub\cf2
om
}
\cell
\row
\pard\sb200\qj\sl250\tx40
{\plain\f4\fs21\cf2
where
}
{\plain\f4\fs21\i\cf2
K
}
{\plain\f4\fs16\i\sub\cf2
om
}
{\plain\f4\fs21\cf2
is the partition coefficient from water to organic matter in the soil, which is 16.8 L/Kg for benzene in soils with naturally occurring organic matter (Chiou et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(1983)), and
}
{\plain\f4\fs21\i\cf2
f
}
{\plain\f4\fs16\i\sub\cf2
om
}
{\plain\f4\fs21\cf2
is the fraction of organic matter in the dry soil (Kg/Kg).
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
For soil containing 1% naturally occurring organic matter and 10% moisture, the total concentration of benzene upon exposure to premium gasoline-saturated groundwater (60 mg/L benzene, as per above discussion of PVC or Gasketed Mains) would be:
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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0000000049454e44ae426082
}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
Applying the 1/8th safety factor:
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Toluene: 3.2 mg/Kg
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
The target level was derived in the same manner as for benzene except that the concentration of toluene in premium gasoline-saturated water is 50 mg/L and
}
{\plain\f4\fs21\i\cf2
K
}
{\plain\f4\fs16\i\sub\cf2
om
}
{\plain\f4\fs21\cf2
is 42 L/Kg. Accordingly:
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
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}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
and
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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5e7bedb5aeae2e28eceaea1a1818f8e1871f0a8582d56a852d91c562c9e7f357af5e5d5858900dacbbbb9ba6e9743afdeaabaf3efbecb3efbdf71e4248abd5aeadadf97c3e96655f7ffd753012fefcf3cfe5e5e5df7efbcd68344a3749f178fcdab56be3e3e3b00dffe8a38feedebd4b10447f7fff8f3ffe08e76bae5ebd0a3dfcebafbf6eddbab5bfbf7ff1e24571efacd7eba16628147ae79d779e7ffe7968361289bcf0c20b172f5e944d4157054e3a9518e3ededed0f3ffc506cf6adb7dedadcdcbc74e9d2499b6a1dcd1a6cdbf83792841efb206a8c0ac80a8f8d0d1ceb0191754344f61459239532786a7fdc8938364da771a451b45c2eb7bdbd8d1032
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66e12c5fd3f53bcff30b0b0b83838370e0261e8f7b3c9e975f7e598cb4950dd49d0a18e3efbefb2e9bcd5eb972a5abab2b93c97cfae9a70683410c9b9d3b77eefefdfbd168d46eb75fbb76eddb6fbfad335e75da87019e3c5a7aae0222e365af21310d4aaa24a4b70d69f7643f298a12f3feaa24c4d542679374625aea47ab947b541aa883fcd253a452900f12a4c493530d26481d89c57738b3c05187f3e7cf43a00e4e7f9f76a72a42d3743e9f870429f1486e7d7404f449a2d2699eb34953ceeb7404b4c399a6e366ea70a6e908688733cdff00f94095dd3a5ede700000000049454e44ae426082
}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Ethylbenzene: 45 mg/Kg
}
\par
\pard\qj\sl250\tx40
{\plain\f4\fs21\cf2
The target level was based on the target level set for Groundwater/PVC or Gasketed Mains (40,000 µg/L, rounded from 39,100 µg/L, or 39.1 mg/L) and the principles of Chiou et al.
}
{\plain\f4\fs21\cf2
\tab
}
{\plain\f4\fs21\cf2
(1983) discussed above. In a manner similar to that for benzene in soil, C
}
{\plain\f4\fs16\sub\cf2
W
}
{\plain\f4\fs21\cf2
was 3.4 mg/L, K
}
{\plain\f4\fs14\sub\dn5\cf2
d
}
{\plain\f4\fs21\cf2
was 0.106 L/Kg, and C
}
{\plain\f4\fs16\sub\cf2
T
}
{\plain\f4\fs21\cf2
was calculated to be 3.9 mg/Kg. The target level for soil that is equivalent to the target level set for groundwater was calculated as follows:
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\i\cf2
Total Xylenes: 52 mg/Kg
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
The target level was set in the same manner as for ethylbenzene (above), based on the groundwater target level of 48,000 µg/L (rounded from 47.5 mg/L). C
}
{\plain\f4\fs16\sub\cf2
W
}
{\plain\f4\fs21\cf2
was 19 mg/L, K
}
{\plain\f4\fs14\sub\dn5\cf2
d
}
{\plain\f4\fs21\cf2
was 1.001 L/Kg (assuming a mixture of m-, o-, and p-xylenes which is 60%, 20%, and 20%, respectively, which is typical of xylenes derived from petroleum), and C
}
{\plain\f4\fs16\sub\cf2
T
}
{\plain\f4\fs21\cf2
was calculated to be 21 mg/Kg. Hence:
}
\par
\pard\sl250
{\plain\f4\fs21\cf2
{\pict\pngblip\picscalex100\picscaley100
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}
}
\par
\pard\qj\sl250
{\plain\f4\fs21\b\scaps\cf2
Note:
}
{\plain\f4\fs21\cf2
The 1/8th safety factor was applied above to the target levels for ethylbenzene and total xylenes for Groundwater, PVC or Gasketed Service Lines, thence the target levels for Groundwater, PVC or Gasketed Mains, were derived. Consequently, the 1/8th safety factor has also been applied to the target levels for both ethylbenzene and total xylenes in soil.
}
\par
\pard\qj\sl250
{\plain\f4\fs21\b\cf2
REFERENCES
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
Chiou, C. T., P. E. Porter and D. W. Schmedding. 1983. Partition equilibria of nonionic organic compounds between soil organic matter and water. Environ. Sci. Technol., 17(4)227-231.
}
\par
\pard\qj\sl250
{\plain\f4\fs21\cf2
Ong, S. K., J. A. Gaunt, F. Mao, C. L. Cheng, L. Esteve-Agelet, and C. R. Hurburgh. 2008. Impact of hydrocarbons on PE/PVC pipes and pipe gaskets, Publication 91204. Awwa Research Foundation (presently Water Research Foundation), Denver, CO.
}
\par
\pard\pagebb\qc\sl250
{\plain\f4\fs20\b\cf2
Appendix B-1 – Tier 2 Equations and Parameter Values (Old Model)
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
All Tier 1 equations and parameters apply at Tier 2 except as specified below.
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\ul\cf2\ulc2
Equation for Tier 2 Groundwater Contaminant Transport Model
}
\par
\pard\fi340\sl250
{\plain\f4\fs21\cf2
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}
}
\par
\pard\qj\fi340\sl250
{\plain\f5\fs18\ul\cf2\ulc2
Variable definitions
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
x: distance in the x direction downgradient from the source
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
erf( ): the error function
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
C(x): chemical concentration in groundwater at x
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
C
}
{\plain\f5\fs14\cf2
s
}
{\plain\f5\fs18\cf2
: Source concentration in groundwater (groundwater concentration at x=0)
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
S
}
{\plain\f5\fs14\cf2
w
}
{\plain\f5\fs18\cf2
: width of the source (perpendicular to x)
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
S
}
{\plain\f5\fs14\cf2
d
}
{\plain\f5\fs18\cf2
: vertical thickness of the source
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
u: groundwater velocity (pore water velocity); u=Ki/
}
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f5\fs18\cf2
e
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
K: hydraulic conductivity
}
\par
\pard\qj\fi144\sl250
{\plain\f5\fs18\cf2
i: groundwater head gradient
}
\par
\pard\qj\fi144\sl250
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f5\fs18\cf2
e: effective porosity
}
\par
\pard\qj\fi144\sl250
{\plain\f4\fs18\cf2
\u955?
}
{\plain\f5\fs18\cf2
: first-order decay coefficient, chemical specific
}
\par
\pard\qj\fi144\sl250
{\plain\f4\fs18\cf2
\u945?
}
{\plain\f5\fs18\cf2
x,
}
{\plain\f4\fs18\cf2
\u945?
}
{\plain\f5\fs18\cf2
y,
}
{\plain\f4\fs18\cf2
\u945?
}
{\plain\f5\fs18\cf2
z: dispersivities in the x, y and z directions, respectively
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
For the following lists of parameters, one of three is required: site-specific measurements, defaults or the option of either (which means the default may be used or replaced with a site-specific measurement).
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Soil parameters
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3724
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6548
\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\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx3724
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6548
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
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\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u961?
}
{\plain\f4\fs14\sub\cf2
s
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
soil bulk density
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
1.86 g/cm
}
{\plain\f5\fs14\super\cf2
3
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\cell
\row
\trowd\trleft5
\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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\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
f
}
{\plain\f4\fs14\sub\cf2
oc
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
fraction organic carbon in the soil
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.01 kg-C/kg-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx919
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3724
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6548
\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
\u952?
}
{\plain\f4\fs14\sub\cf2
T
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
total soil porosity
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.3cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-voids/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx919
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3724
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6548
\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
\u952?
}
{\plain\f4\fs14\sub\cf2
as
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
volumetric air content in vadose zone
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.2cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-air/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx919
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3724
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6548
\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
\u952?
}
{\plain\f4\fs14\sub\cf2
ws
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
volumetric water content in vadose zone
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.1cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-H
}
{\plain\f5\fs14\sub\cf2
2
}
{\plain\f5\fs18\cf2
O/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx919
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3724
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6548
\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
\u952?
}
{\plain\f4\fs14\sub\cf2
acrack
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
volumetric air content in foundation/wall cracks
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.2cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-air/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx919
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3724
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6548
\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
\u952?
}
{\plain\f4\fs14\sub\cf2
wcrack
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
volumetric water content in foundation/wall cracks
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.1cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-H
}
{\plain\f5\fs14\sub\cf2
2
}
{\plain\f5\fs18\cf2
O/cm
}
{\plain\f5\fs14\super\cf2
3
}
{\plain\f5\fs18\cf2
-soil
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx919
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3724
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6548
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
I
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
infiltration rate of water through soil
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
7 cm/year
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\sb180\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
If the total porosity is measured, assume 1/3 is air filled and 2/3 is water filled for determining the water and air fraction in the vadose zone soil and floor cracks.
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Groundwater Transport Modeling Parameters
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx920
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
K
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
hydraulic conductivity
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
16060 cm/year
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
site-specific
}
\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\cellx920
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
i
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
groundwater head gradient
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.01 cm/cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
site-specific
}
\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\cellx920
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
S
}
{\plain\f5\fs14\sub\cf2
w
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
width of the source
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
use procedure specified in 135.10(2)
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
site-specific
}
\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\cellx920
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
S
}
{\plain\f5\fs14\sub\cf2
d
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
vertical thickness of the source
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
3 m
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx920
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u945?x
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
dispersivity in the x direction
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.1x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx920
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u945?y
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
dispersivity in the y direction
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.33\u945?x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx920
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u945?z
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
dispersivity in the z direction
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.05\u945?x
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx920
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3536
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6116
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u952?e
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
effective porosity
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.1
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\sb180\qj\fi144\sl250
{\plain\f5\fs18\cf2
where u=Ki/
}
{\plain\f4\fs18\cf2
\u952?
}
{\plain\f5\fs18\cf2
e
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
First-order Decay Coefficients
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Chemical
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
Default Value\u955? (d-1)
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Benzene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.0005
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Toluene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.0007
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Ethylbenzene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.00013
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Xylenes
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.0005
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Naphthalene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.00013
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Benzo(a)pyrene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Benz(a)anthracene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1925
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3845
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5765
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Chrysene
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Other Parameters for Groundwater Vapor to Enclosed Space
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4987
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6585
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4987
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6585
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Lgw
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
depth to groundwater from the enclosed space foundation
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
1 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4987
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6585
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
L
}
{\plain\f5\fs14\sub\cf2
B
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space volume/infiltration area ratio
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
200 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4987
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6585
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
ER (s-1)
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space air exchange rate
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.00014
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4987
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6585
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Lcrack
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space foundation or wall thickness
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
15 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4987
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6585
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u951?
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
areal fraction of cracks in foundation/wall
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.01
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Other Parameters for Soil Vapor to Enclosed Space
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5420
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6766
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Required
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5420
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6766
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
L
}
{\plain\f5\fs14\sub\cf2
s
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
depth to subsurface soil sources from the enclosed space foundation
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
1 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5420
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6766
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
L
}
{\plain\f5\fs14\sub\cf2
B
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space volume/infiltration area ratio
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
250 cm *
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
option
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5420
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6766
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
ER (s-1)
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space air exchange rate
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.000185 *
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5420
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6766
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Lcrack
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space foundation or wall thickness
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
15 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5420
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6766
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8646
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
\u951?
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
areal fraction of cracks in foundation/wall
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.01
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\sb180\qj\fi144\sl250
{\plain\f5\fs18\cf2
*These values are an average of residential and nonresidential factors.
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Soil Leaching to Groundwater
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trrh258\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4752
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6887
\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
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
Default Value
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f4\fs18\cf2
Required
}
\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\cellx482
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4752
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6887
\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
\u948?
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f4\fs18\cf2
groundwater mixing zone
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
2 m
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
default
}
\cell
\row
\pard\keepn\sb180\sl250
{\plain\f5\fs18\cf2
Building Parameters for Iowa Tier 2
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trrh286\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4421
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5958
\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\f5\fs18\cf2
Parameter
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
Residential
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
Nonresidential
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4421
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5958
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
ER (s-1)
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space air exchange rate
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
0.00014
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
0.00023
}
\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\cellx1252
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4421
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5958
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx8645
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
L
}
{\plain\f5\fs14\sub\cf2
B
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
enclosed space volume/infiltration area ratio
}
\cell
\pard\intbl\li80\ri90\sl200
{\plain\f5\fs18\cf2
200 cm
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
300 cm
}
\cell
\row
\pard\sb180\qj\ri144\fi144\sl250
{\plain\f5\fs18\ul\cf2\ulc2
Other Parameters
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
For Tier 2, the following are the same as Tier 1 values (refer to Appendix A): chemical-specific parameters, slope factors and reference doses, and exposure factors (except for those listed below).
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
Exposure Factors for Tier 2 Groundwater Vapor to Enclosed Space Modeling:
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
Potential Residential: use residential exposure and residential building parameters.
}
\par
\pard\qj\ri144\fi144\sl250
{\plain\f5\fs18\cf2
Potential Nonresidential: use nonresidential exposure and nonresidential building parameters.
}
\par
\pard\keepn\sb180\sl250
{\plain\f5\fs18\ul\cf2\ulc2
Diesel and Waste Oil
}
\par
\pard\plain\f0\fs17
\par
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalb
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Diesel and Waste Oil
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Chemical-Specific Values for Tier 1
}
\cell
\row
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\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\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Media
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Exposure Pathway
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Receptor
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Naphthalene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Benzo(a)
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
pyrene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Benz(a)
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
anthracene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Chrysene
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clvmgf
\clpadft3\clpadt80
\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\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(ug/L)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Ingestion
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
actual
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
150
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.012
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
0.12
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
1.2
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
potential
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
150
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12.0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
4,440
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater to
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Plastic Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
150
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12.0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Surface Water
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
150
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1.2
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12.0
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(mg/kg)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Leaching
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Groundwater
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
7.6
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
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Soil Vapor
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to Enclosed Space
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all
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95
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NA
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NA
}
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NA
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Soil to Plastic
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{\plain\f4\fs18\cf2
Water Line
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{\plain\f4\fs18\cf2
all
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
21
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
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{\plain\f4\fs18\cf2
NA
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\pard\sb180\qj\sl250
{\plain\f5\fs18\cf2
Due to difficulties with analytical methods for the four individual chemicals listed in the above table, Total Extractable Hydrocarbon (TEH) default values were calculated for each chemical, using the assumption that diesel contains 0.2% napthalene, 0.001% benzo(a)pyrene, 0.001% benz(a)anthracene, and 0.001% chrysene. Resulting TEH Default Values are shown in the following table.
}
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\pard\intbl\qc\li80\ri90\sl200
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Diesel
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\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
TEH Default Values
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Media
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Exposure Pathway
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Receptor
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{\plain\f4\fs18\cf2
Naphthalene
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{\plain\f4\fs18\cf2
Benzo(a) pyrene
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{\plain\f4\fs18\cf2
Benz(a)
}
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{\plain\f4\fs18\cf2
anthracene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
Chrysene
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Groundwater
}
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{\plain\f4\fs18\cf2
(ug/L)
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{\plain\f4\fs18\cf2
Groundwater
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{\plain\f4\fs18\cf2
Ingestion
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
actual
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
75,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
1,200
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
12,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
120,000
}
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\clpadft3\clpadt80
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
potential
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
75,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
120,000
}
\cell
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{\plain\f4\fs18\cf2
1,200,000
}
\cell
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{\plain\f4\fs18\cf2
NA
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{\plain\f4\fs18\cf2
Groundwater Vapor
}
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{\plain\f4\fs18\cf2
to Enclosed Space
}
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{\plain\f4\fs18\cf2
all
}
\cell
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{\plain\f4\fs18\cf2
2,200,000
}
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{\plain\f4\fs18\cf2
NA
}
\cell
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{\plain\f4\fs18\cf2
NA
}
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NA
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{\plain\f4\fs18\cf2
Groundwater to
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{\plain\f4\fs18\cf2
Plastic Water Line
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{\plain\f4\fs18\cf2
all
}
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{\plain\f4\fs18\cf2
75,000
}
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{\plain\f4\fs18\cf2
120,000
}
\cell
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{\plain\f4\fs18\cf2
1,200,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
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{\plain\f4\fs18\cf2
Surface Water
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{\plain\f4\fs18\cf2
all
}
\cell
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{\plain\f4\fs18\cf2
75,000
}
\cell
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{\plain\f4\fs18\cf2
120,000
}
\cell
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{\plain\f4\fs18\cf2
1,200,000
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
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\clpadfr3\clpadr80
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\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
(mg/kg)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Leaching
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Groundwater
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
3,800
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil Vapor
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
47,500
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Soil to Plastic
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
Water Line
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
10,500
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f4\fs18\cf2
NA
}
\cell
\row
\pard\sb180\qj\sl250
{\plain\f5\fs18\cf2
The lowest TEH default value for each pathway (shown as a shaded box) was used in the Tier 1 Table.
}
\par
\pard\qj\sl250
{\plain\f5\fs18\cf2
Due to difficulties with analytical methods for the four individual chemicals, Total Extractable Hydrocarbon (TEH) default values were calculated for each chemical, using the assumption that waste oil contains no naphthalene, 0.003% benzo(a)pyrene, 0.003% benz(a)anthracene, and 0.003% chrysene. Resulting TEH Default Values are shown in the following table.
}
\par
\pard\plain\f0\fs18
\par
\trowd\trleft5\trrh243\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx3605
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrt\brdrs\brdrw10\brdrcf2\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Waste Oil
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
TEH Default Values
}
\cell
\row
\trowd\trleft5\trhdr
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Media
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Exposure Pathway
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Receptor
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Naphthalene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Benzo(a)
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
pyrene
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Benz(a)
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
anthracene
}
\cell
\pard\intbl\qc\li80\ri80\sl200
{\plain\f5\fs18\cf2
Chrysene
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
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\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
(ug/L)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Groundwater Ingestion
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
actual
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
400
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
4,000
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
40,000
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clvmrg
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl
\cell
\pard\intbl
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
potential
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
40,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
400,000
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmgf
\clpadft3\clpadt80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\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\cellx4805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clcbpat17
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx5805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx6805
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx7905
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Groundwater
}
\par
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
(ug/L)
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Groundwater Vapor to Enclosed Space
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
all
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
\pard\intbl\li80\ri80\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
\row
\trowd\trleft5
\clvmrg
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalc
\clbrdrl\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx1105
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
\clvertalt
\clbrdrb\brdrs\brdrw10\brdrcf2\clbrdrr\brdrs\brdrw10\brdrcf2\cellx2705
\clpadft3\clpadt80
\clpadfb3\clpadb80
\clpadfl3\clpadl80
\clpadfr3\clpadr80
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Groundwater to Plastic
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Water Line
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{\plain\f5\fs18\cf2
all
}
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{\plain\f5\fs18\cf2
NA
}
\cell
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{\plain\f5\fs18\cf2
40,000
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
400,000
}
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{\plain\f5\fs18\cf2
NA
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Surface Water
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{\plain\f5\fs18\cf2
all
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{\plain\f5\fs18\cf2
NA
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{\plain\f5\fs18\cf2
40,000
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{\plain\f5\fs18\cf2
400,000
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{\plain\f5\fs18\cf2
NA
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{\plain\f5\fs18\cf2
Soil
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
(mg/kg)
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Soil Leaching to
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
Groundwater
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
all
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
\cell
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{\plain\f5\fs18\cf2
NA
}
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\pard\intbl
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{\plain\f5\fs18\cf2
Soil Vapor to
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{\plain\f5\fs18\cf2
Enclosed Space
}
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{\plain\f5\fs18\cf2
all
}
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\pard\intbl\qc\li80\ri90\sl200
{\plain\f5\fs18\cf2
NA
}
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{\plain\f5\fs18\cf2
NA
}
\cell
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{\plain\f5\fs18\cf2
NA
}
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{\plain\f5\fs18\cf2
NA
}
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\pard\intbl
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{\plain\f5\fs18\cf2
Soil to Plastic Water Line
}
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{\plain\f5\fs18\cf2
all
}
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{\plain\f5\fs18\cf2
NA
}
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{\plain\f5\fs18\cf2
NA
}
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{\plain\f5\fs18\cf2
NA
}
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{\plain\f5\fs18\cf2
NA
}
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\row
\pard\sb180\qj\sl250
{\plain\f4\fs21\cf2
The lowest TEH default value for each pathway (shown as a shaded box) was used in the Tier 1 Table.
}
\par
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{\plain\f4\fs16\cf2
[
}
{\plain\f4\fs16\b\cf2
ARC 9011B
}
{\plain\f4\fs16\cf2
, IAB 8/25/10, effective 9/29/10]
}
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{\plain\f5\fs16\b\cf2
APPENDIX C
}
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{\plain\f5\fs16\b\cf2
DECLARATION OF RESTRICTIVE COVENANTS
}
\par
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{\plain\f4\fs21\cf2
Rescinded IAB 7/19/06, effective 8/23/06
}
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{\plain\f5\fs16\b\cf2
APPENDIX D
}
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{\plain\f5\fs16\b\cf2
IOWA DEPARTMENT OF NATURAL RESOURCES
}
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\pard\intbl\qc\li80\ri80\sl180
{\plain\f5\fs16\b\cf2
NO FURTHER ACTION CERTIFICATE
}
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\pard\sb160\qj\sl250
{\plain\f5\fs16\cf2
This document certifies that the referenced underground storage tank site has been classified by the Iowa Department of Natural Resources (IDNR) as “no action required” as provided in the 1995 Iowa Code Supplement 455B.474(1)“h”(1). This certificate may be recorded as provided by law.
}
\par
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\par
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{\plain\f4\fs21\cf2
ISSUED TO:
}
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{\plain\f4\fs21\cf2
OWNERS/OPERATORS OF TANKS
}
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{\plain\f4\fs21\cf2
DATE OF ISSUANCE:
}
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{\plain\f4\fs21\cf2
IDNR FILE REFERENCES: LUST #
}
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{\plain\f4\fs21\cf2
REGISTRATION #
}
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{\plain\f4\fs21\cf2
LEGAL DESCRIPTION OF UNDERGROUND STORAGE TANK SITE:
}
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\row
\pard\sb210\qj\sl250
{\plain\f5\fs16\cf2
Issuance of this certificate does not preclude the IDNR from requiring further corrective action due to new releases and is based on the information available to date. The department is precluded from requiring additional corrective action solely because governmental action standards are changed. See 1995 Iowa Code Supplement 455B.474(1)“h”(1).
}
\par
\pard\qj\sl250
{\plain\f5\fs16\cf2
This certificate does not constitute a warranty or a representation of any kind to any person as to the environmental condition, marketability or value of the above referenced property other than that certification required by 1995 Iowa Code Supplement 455B.474(1)“h”.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2
These rules are intended to implement Iowa Code sections 455B.304, 455B.424 and 455B.474.
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 9/20/85—published 10/9/85, effective 9/20/85]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 11/14/86—published 12/3/86, effective 12/3/86]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 12/29/86—published 1/14/87, effective 1/14/87]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 5/1/87, Notice 1/14/87—published 5/20/87, effective 7/15/87
}
{\plain\f4\fs11\super\up13\cf2
1
}
{\plain\f4\fs21\cf2
]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 9/22/87—published 10/21/87, effective 9/22/87]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 2/19/88, Notice 11/18/87—published 3/9/88, effective 4/13/88]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 10/24/88—published 11/16/88, effective 10/24/88]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 7/21/89, Notice 2/22/89—published 8/9/89, effective 9/13/89]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 8/25/89—published 9/20/89, effective 8/25/89]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 8/31/90, Notice 3/21/90—published 9/19/90, effective 10/24/90]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 2/1/91, Notice 11/14/90—published 2/20/91, effective 3/27/91]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 3/29/91—published 4/17/91, effective 3/29/91]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 8/28/91—published 9/18/91, effective 8/28/91]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 2/21/92 after Notice 9/18/91—published 3/18/92, effective 2/21/92]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 9/24/93, Notice 3/17/93—published 10/13/93, effective 11/17/93]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 12/1/95, Notice 8/16/95—published 12/20/95, effective 1/24/96]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 6/25/96—published 7/17/96, effective 8/15/96]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 12/20/96 after Notice 7/17/96—published 1/15/97, effective 12/20/96]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 6/25/99—published 7/14/99, effective 7/1/99]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 10/1/99, Notice 7/14/99—published 10/20/99, effective 11/24/99]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 9/29/00—published 10/18/00, effective 9/29/00]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 1/19/01, Notice 10/18/00—published 2/7/01, effective 3/14/01]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 12/19/01, Notice 10/17/01—published 1/9/02, effective 2/13/02]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 3/23/06, Notice 11/9/05—published 4/12/06, effective 5/17/06]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 6/28/06, Notice 3/15/06—published 7/19/06, effective 8/23/06]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed emergency 7/6/07—published 8/1/07, effective 7/6/07]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 10/4/07, Notice 8/1/07—published 10/24/07, effective 11/28/07]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed 6/12/08, Notice 2/13/08—published 7/2/08, effective 8/6/08
}
{\plain\f4\fs11\super\up13\cf2
2
}
{\plain\f4\fs21\cf2
]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Editorial change: IAC Supplement 7/30/08]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Editorial change: IAC Supplement 11/5/08]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed ARC 7621B (Notice ARC 7400B, IAB 12/3/08), IAB 3/11/09, effective 4/15/09]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed ARC 8124B (Notice ARC 7854B, IAB 6/17/09), IAB 9/9/09, effective 10/14/09]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed ARC 8469B (Notice ARC 7854B, IAB 6/17/09), IAB 1/13/10, effective 2/17/10]
}
{\plain\f4\fs14\super\up7\cf2
3
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Editorial change: IAC Supplement 2/24/10]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Editorial change: IAC Supplement 5/5/10]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed ARC 9011B (Notice ARC 8676B, IAB 4/7/10), IAB 8/25/10, effective 9/29/10]
}
\par
\pard\qc\sl250
{\plain\f4\fs21\cf2
[Filed ARC 9331B (Notice ARC 9152B, IAB 10/20/10), IAB 1/12/11, effective 2/16/11]
}
\par
\pard\sb240\li288\fi-288\sl200\ls1\tx288
{\listtext
{\plain\f4\fs12\super\cf2
1
}
{\plain\f4\fs12\super\cf2
\tab
}
}
{\plain\f4\fs16\cf2
July 15, 1987, effective date of 135.9(4) delayed 70 days by Administrative Rules Review Committee at its June 1987 meeting.
}
\par
\pard\li288\fi-288\sl200\ls1\tx288
{\listtext
{\plain\f4\fs12\super\cf2
2
}
{\plain\f4\fs12\super\cf2
\tab
}
}
{\plain\f4\fs16\cf2
August 6, 2008, effective date of
}
{\plain\f4\fs16\b\cf2
ARC 6892B
}
{\plain\f4\fs16\cf2
delayed 70 days by Administrative Rules Review Committee at its July 2008 meeting. At its meeting held October 14, 2008, the Committee delayed until adjournment of the 2009 Session of the General Assembly the following provisions:
}
{\plain\f4\fs16\b\cf2
567—135.2(455B)
}
{\plain\f4\fs16\cf2
, definition of “Sensitive area”;
}
{\plain\f4\fs16\b\cf2
135.9(4)“f”
}
{\plain\f4\fs16\cf2
;
}
{\plain\f4\fs16\b\cf2
135.10(4)“a,”
}
{\plain\f4\fs16\cf2
last sentence: “A public water supply screening and risk assessment must be conducted in accordance with 135.10(4)“f” for this pathway” and
}
{\plain\f4\fs16\b\cf2
135.10(4)“b,”
}
{\plain\f4\fs16\cf2
last sentence of the first paragraph: “The certified groundwater professional or the department may request additional sampling of drinking water wells and non-drinking water wells as part of its evaluation”;
}
{\plain\f4\fs16\b\cf2
135.10(4)“f”
}
{\plain\f4\fs16\cf2
;
}
{\plain\f4\fs16\b\cf2
135.10(11)“h.”
}
\par
\pard\li288\fi-288\sl200\ls1\tx288
{\listtext
{\plain\f4\fs12\super\cf2
3
}
{\plain\f4\fs12\super\cf2
\tab
}
}
{\plain\f4\fs16\cf2
February 17, 2010, effective date of 135.5(1)“e” delayed 70 days by the Administrative Rules Review Committee at its meeting held February 8, 2010. At its meeting held April 13, 2010, the Committee delayed the effective date of 135.5(1)“e” until adjournment of the 2011 Session of the General Assembly.
}
\par
\pard\pagebb\qc\sl250
{\plain\f4\fs21\cf2
OBJECTION
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2
At a special meeting held on Monday, February 8, 2010, the Administrative Rules Review Committee voted to object to the provisions of
}
{\plain\f4\fs21\b\cf2
ARC 8469B
}
{\plain\f4\fs21\cf2
, on the grounds these requirements are beyond the authority delegated to the agency. This filing appeared in the 1/13/2010 issue of the Iowa Administrative Bulletin.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2
This adopted filing establishes leak detection requirements for unstaffed fueling facilities. It requires in-line leak detection to shut off the pump and stop fuel flow to the dispenser. Discussion at the February 8, 2010, meeting raised several issues involving the number of facilities affected and the cost of the upgrades. The issue was also raised whether the rule exceeded the authority of the agency. Iowa Code §455B.474(10) states, in part, “The rules adopted by the commission under this section shall be consistent with and shall not exceed the requirements of federal regulations….” Since federal regulations do not have specific leak detection requirements for unstaffed fueling facilities, the Committee believes the plain language of §455B.474(10) precludes this rulemaking.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2
For this reason the Committee members felt the new detection requirements are beyond the authority delegated to the agency.
}
\par
\pard\qj\fi340\sl250
{\plain\f4\fs21\cf2
Objection filed February 12, 2010
}
\par
\pard\sect
}