§ 407.63 [Reserved]
Current through Aug 22, 2025 · Read all of Part 407
Current through Aug 22, 2025 · Read all of Part 407
← § 407.62 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.§ 407.64 Pretreatment standards for existing sources. →