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Electronic Code of Federal Regulations

e-CFR data is current as of November 12, 2019

Title 40Chapter ISubchapter NPart 425


TITLE 40—Protection of Environment

CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (CONTINUED)

PART 425—LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY

rule

General Provisions

§425.01
Applicability.
§425.02
General definitions.
§425.03
Sulfide analytical methods and applicability.
§425.04
Applicability of sulfide pretreatment standards.
§425.05
Compliance dates.
§425.06
Monitoring requirements.

Subpart A—HAIR PULP, CHROME TAN, RETAN-WET FINISH SUBCATEGORY

§425.10
Applicability; description of the hair pulp, chrome tan, retan-wet finishing subcategory.
§425.11
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§425.12
Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§425.13
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§425.14
New source performance standards (NSPS).
§425.15
Pretreatment standards for existing sources (PSES).
§425.16
Pretreatment standards for new sources (PSNS).
rule

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).
rule

Subpart C—HAIR SAVE OR PULP, NON-CHROME TAN, RETAN-WET FINISH SUBCATEGORY

§425.30
Applicability; description of the hair save or pulp, non-chrome tan, retan-wet finish subcategory.
§425.31
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§425.32
Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§425.33
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§425.34
New source performance standards (NSPS).
§425.35
Pretreatment standards for existing sources (PSES).
§425.36
Pretreatment standards for new sources (PSNS).
rule

Subpart D—RETAN-WET FINISH-SIDES SUBCATEGORY

§425.40
Applicability; description of the retan-wet finish-sides subcategory.
§425.41
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§425.42
Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§425.43
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§425.44
New source performance standards (NSPS).
§425.45
Pretreatment standards for existing sources (PSES).
§425.46
Pretreatment standards for new sources (PSNS).
rule

Subpart E—NO BEAMHOUSE SUBCATEGORY

§425.50
Applicability; description of the no beamhouse subcategory.
§425.51
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§425.52
Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§425.53
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§425.54
New source performance standards (NSPS).
§425.55
Pretreatment standards for existing sources (PSES).
§425.56
Pretreatment standards for new sources (PSNS).
rule

Subpart F—THROUGH-THE-BLUE SUBCATEGORY

§425.60
Applicability; description of the through-the-blue subcategory.
§425.61
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§425.62
Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§425.63
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§425.64
New source performance standards (NSPS).
§425.65
Pretreatment standards for existing sources (PSES).
§425.66
Pretreatment standards for new sources (PSNS).
rule

Subpart G—SHEARLING SUBCATEGORY

§425.70
Applicability; description of the shearling subcategory.
§425.71
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§425.72
Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§425.73
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§425.74
New source performance standards (NSPS).
§425.75
Pretreatment standards for existing sources (PSES).
§425.76
Pretreatment standards for new sources (PSNS).
rule

Subpart H—PIGSKIN SUBCATEGORY

§425.80
Applicability; description of the pigskin subcategory.
§425.81
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§425.82
Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§425.83
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§425.84
New source performance standards (NSPS).
§425.85
Pretreatment standards for existing sources (PSES).
§425.86
Pretreatment standards for new sources (PSNS).
rule

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
Appendix B to Part 425—Modified Monier-Williams Method
Appendix
Appendix C to Part 425—Definition and Procedure for the Determination of the Method Detection Limit

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