Subpart B. 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).