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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 437
Subpart B - Subpart B—Oils Treatment and Recovery
§ 437.20 - Applicability.
§ 437.21 -
§ 437.22 - Effluent limitations attainable by the application of the best conventional pollutant control technology (BCT).
§ 437.23 - Effluent limitations attainable by the application of the best available technology economically achievable (BAT).
§ 437.24 - New source performance standards (NSPS).
§ 437.25 - Pretreatment standards for existing sources (PSES).
§ 437.26 - Pretreatment standards for new sources (PSNS).
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