U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 13, 2020
§ 432.121 - Special definitions. [Reserved]
§ 432.123 - Effluent limitations attainable by the application of the best available technology economically achievable (BAT).
§ 432.124 - Pretreatment standards for existing sources (PSES). [Reserved]
§ 432.126 - Pretreatment standards for new sources (PSNS). [Reserved]