Statutes, codes, and regulations
Code of Federal Regulations
Title 40 - PROTECTION OF ENVIRONMENTChapter I - ENVIRONMENTAL PROTECTION AGENCYSubchapter N - EFFLUENT GUIDELINES AND STANDARDSPart 425 - LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY
Subpart F - THROUGH-THE-BLUE SUBCATEGORY
Section 425.61 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)

40 C.F.R. § 425.61

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Current through October 31, 2024
Section 425.61 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)

Except as provided in 40 CFR 125.30 through 125.32 , any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Pollutant or pollutant propertyBPT limitations
Maximum for any 1 day Maximum for monthly average
Kg/kkg (or pounds per 1,000 pounds) of raw material
BOD53.21.5
TSS4.72.1
Oil & Grease1.40.61
Total Chromium0.080.03
pH(1)(1)

1 Within the range of 6.0 to 9.0.

40 C.F.R. §425.61

47 FR 52870, Nov. 23, 1982, as amended at 53 FR 9183, Mar. 21, 1988