Browse Federal regulations

Read the original sections, or search by topic.

40 CFR 422.67 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
40 CFR 423.10 · Applicability and severability.
40 CFR 423.11 · Specialized definitions.
40 CFR 423.12 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
40 CFR 423.13 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
40 CFR 423.14 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]
40 CFR 423.15 · New source performance standards (NSPS).
40 CFR 423.16 · Pretreatment standards for existing sources (PSES).
40 CFR 423.17 · Pretreatment standards for new sources (PSNS).
40 CFR 423.18 · Permit conditions.
40 CFR 423.19 · Reporting and recordkeeping requirements.
40 CFR Appendix A to Part 423 · Appendix A to Part 423—126 Priority Pollutants
40 CFR 424.10 · Applicability; description of the open electric furnaces with wet air pollution control devices subcategory.
40 CFR 424.11 · Specialized definitions.
40 CFR 424.12 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40 CFR 424.13 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40 CFR 424.14 · [Reserved]
40 CFR 424.15 · Standards of performance for new sources.
40 CFR 424.16 · Pretreatment standards for new sources.
40 CFR 424.17 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
40 CFR 424.20 · Applicability; description of the covered electric furnaces and other smelting operations with wet air pollution control devices subcategory.
40 CFR 424.21 · Specialized definitions.
40 CFR 424.22 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40 CFR 424.23 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40 CFR 424.24 · [Reserved]
40 CFR 424.25 · Standards of performance for new sources.
40 CFR 424.26 · Pretreatment standards for new sources.
40 CFR 424.27 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
40 CFR 424.30 · Applicability; description of the slag processing subcategory.
40 CFR 424.31 · Specialized definitions.
40 CFR 424.32 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40 CFR 424.33 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40 CFR 424.34 · [Reserved]
40 CFR 424.35 · Standards of performance for new sources.
40 CFR 424.36 · Pretreatment standards for new sources.
40 CFR 424.37 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
40 CFR 424.40 · Applicability; description of the covered calcium carbide furnaces with wet air pollution control devices subcategory.
40 CFR 424.41 · Specialized definitions.
40 CFR 424.42 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40 CFR 424.43 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40 CFR 424.44-424.46 · §§ 424.44-424.46 [Reserved]
40 CFR 424.47 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
40 CFR 424.50 · Applicability; description of the other calcium carbide furnaces subcategory.
40 CFR 424.51 · Specialized definitions.
40 CFR 424.52 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40 CFR 424.53 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40 CFR 424.54-424.56 · §§ 424.54-424.56 [Reserved]
40 CFR 424.57 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
40 CFR 424.60 · Applicability; description of the electrolytic manganese products subcategory.
40 CFR 424.61 · Specialized definitions.
40 CFR 424.62 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40 CFR 424.63 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40 CFR 424.64-424.66 · §§ 424.64-424.66 [Reserved]
40 CFR 424.67 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
40 CFR 424.70 · Applicability; description of the electrolytic chromium subcategory.
40 CFR 424.71 · Specialized definitions.
40 CFR 424.72 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40 CFR 424.73 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40 CFR 424.74-424.76 · §§ 424.74-424.76 [Reserved]
40 CFR 424.77 · Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
40 CFR 425.01 · Applicability.
40 CFR 425.02 · General definitions.
40 CFR 425.03 · Sulfide analytical methods and applicability.
40 CFR 425.04 · Applicability of sulfide pretreatment standards.
40 CFR 425.05 · Compliance dates.
40 CFR 425.06 · Monitoring requirements.
40 CFR 425.10 · Applicability; description of the hair pulp, chrome tan, retan-wet finishing subcategory.
40 CFR 425.11 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
40 CFR 425.12 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
40 CFR 425.13 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
40 CFR 425.14 · New source performance standards (NSPS).
40 CFR 425.15 · Pretreatment standards for existing sources (PSES).
40 CFR 425.16 · Pretreatment standards for new sources (PSNS).
40 CFR 425.20 · Applicability; description of the hair save, chrome tan, retan-wet finish subcategory.
40 CFR 425.21 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
40 CFR 425.22 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
40 CFR 425.23 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
40 CFR 425.24 · New source performance standards (NSPS).
40 CFR 425.25 · Pretreatment standards for existing sources (PSES).
40 CFR 425.26 · Pretreatment standards for new sources (PSNS).
40 CFR 425.30 · Applicability; description of the hair save or pulp, non-chrome tan, retan-wet finish subcategory.
40 CFR 425.31 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
40 CFR 425.32 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
40 CFR 425.33 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
40 CFR 425.34 · New source performance standards (NSPS).
40 CFR 425.35 · Pretreatment standards for existing sources (PSES).
40 CFR 425.36 · Pretreatment standards for new sources (PSNS).
40 CFR 425.40 · Applicability; description of the retan-wet finish-sides subcategory.
40 CFR 425.41 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
40 CFR 425.42 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
40 CFR 425.43 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
40 CFR 425.44 · New source performance standards (NSPS).
40 CFR 425.45 · Pretreatment standards for existing sources (PSES).
40 CFR 425.46 · Pretreatment standards for new sources (PSNS).
40 CFR 425.50 · Applicability; description of the no beamhouse subcategory.
40 CFR 425.51 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
40 CFR 425.52 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
40 CFR 425.53 · Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
40 CFR 425.54 · New source performance standards (NSPS).
40 CFR 425.55 · Pretreatment standards for existing sources (PSES).