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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Jan 24, 2021
All Titles
Title 40
Chapter I
Part 425
Subpart B - Hair Save, Chrome Tan, Retan-Wet Finish Subcategory
§ 425.20 - Applicability; description of the hair save, chrome tan, retan-wet finish subcategory.
§ 425.21 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 425.22 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§ 425.23 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§ 425.24 - New source performance standards (NSPS).
§ 425.25 - Pretreatment standards for existing sources (PSES).
§ 425.26 - Pretreatment standards for new sources (PSNS).
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