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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Feb 08, 2023
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Title 40
Chapter I
Part 439
Subpart C - Chemical Synthesis Products
§ 439.30 - Applicability.
§ 439.31 - Special definitions.
§ 439.32 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).
§ 439.33 - Effluent limitations attainable by the application of the best conventional pollutant control technology (BCT).
§ 439.34 - Effluent limitations attainable by the application of best available technology economically achievable (BAT).
§ 439.35 - New source performance standards (NSPS).
§ 439.36 - Pretreatment standards for existing sources (PSES).
§ 439.37 - Pretreatment standards for new sources (PSNS).
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