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Code of Federal Regulations
C.F.R. Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER D—WATER PROGRAMS
PART 131—WATER QUALITY STANDARDS
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Subpart A—General Provisions
§131.1 Scope.
§131.2 Purpose.
§131.3 Definitions.
§131.4 State authority.
§131.5 EPA authority.
§131.6 Minimum requirements for water quality standards submission.
§131.7 Dispute resolution mechanism.
§131.8 Requirements for Indian Tribes to administer a water quality standards program.
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