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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 420
Subpart M - Subpart M—Other Operations Subcategory
§ 420.130 - Applicability.
§ 420.131 - Specialized definitions.
§ 420.132 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).
§ 420.133 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§ 420.134 - New source performance standards (NSPS).
§ 420.135 - Pretreatment standards for existing sources (PSES).
§ 420.136 - Pretreatment standards for new sources (PSNS).
§ 420.137 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best control technology for conventional pollutants (BCT).
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