| 567.81.1 Definitions. |
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| 567.81.2 General. |
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| 567.81.3 Wastewater treatment plant classifications and operator certification grades. |
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| 567.81.4 Water treatment plant classifications and operator certification grades. |
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| 567.81.5 Water distribution system classifications and operator certification grades. |
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| 567.81.6 Certified operator education and experience qualifications. |
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| 567.81.7 Certification and examination fees. |
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| 567.81.8 Operator certification examinations. |
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| 567.81.9 Operator certification. |
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| 567.81.10 Continuing education. |
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| 567.81.11 Operator by affidavit. |
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| 567.81.12 Disciplinary actions. |
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