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Section 131.1
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Purpose |
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Section 131.2
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Definitions |
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Section 131.3
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State authority |
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Section 131.4
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EPA authority |
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Section 131.5
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Minimum requirements for water quality standards submission |
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Section 131.6
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Dispute resolution mechanism |
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Section 131.7
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Requirements for Indian Tribes to administer a water quality standards program |
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Section 131.8
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Designation of uses |
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Section 131.10
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Criteria |
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Section 131.11
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Antidegradation policy |
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Section 131.12
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General policies |
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Section 131.13
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State review and revision of water quality standards |
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Section 131.20
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EPA review and approval of water quality standards |
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Section 131.21
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EPA promulgation of water quality standards |
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Section 131.22
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Arizona |
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Section 131.31
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Idaho |
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Section 131.33
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Kansas |
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Section 131.34
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Colville Confederated Tribes Indian Reservation |
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Section 131.35
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Toxics criteria for those states not complying with Clean Water Act section 303(c)(2)(B) |
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Section 131.36
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California |
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Section 131.37
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Establishment of numeric criteria for priority toxic pollutants for the State of California |
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Section 131.38
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Establishment of Numeric Criteria for priority toxic pollutants for the State of California |
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Section 131.38
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Puerto Rico |
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Section 131.40
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Bacteriological criteria for those states not complying with Clean Water Act section 303(i)(1)(A) |
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Section 131.41
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Antidegradation Implementation Methods for the Commonwealth of Puerto Rico |
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Section 131.42
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Florida |
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Section 131.44
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Scope, purpose, and availability of documents |