Subpart I. Subpart I—Retan-Wet Finish-Splits Subcategory

• § 425.90 - Applicability; description of the retan-wet finish-splits subcategory.
• § 425.91 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
• § 425.92 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
• § 425.93 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
• § 425.94 - New source performance standards (NSPS).
• § 425.95 - Pretreatment standards for existing sources (PSES).
• § 425.96 - Pretreatment standards for new sources (PSNS).

• APPENDIX

  • Appendix A to Part 425—Potassium Ferricyanide Titration Method
  • Appendix B to Part 425—Modified Monier-Williams Method
  • Appendix C to Part 425—Definition and Procedure for the Determination of the Method Detection Limit 1