§ 409.23 [Reserved]
Current through Aug 22, 2025 · Read all of Part 409
Current through Aug 22, 2025 · Read all of Part 409
← § 409.22 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.§ 409.24 Pretreatment standards for existing sources. →