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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 117
Subpart B - Subpart B—Applicability
§ 117.11 - General applicability.
§ 117.12 - Applicability to discharges from facilities with NPDES permits.
§ 117.13 - Applicability to discharges from publicly owned treatment works and their users.
§ 117.14 - Demonstration projects.
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