GroundRules
40 CFR 425.91: Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 425—LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY
- Subpart I—Retan-Wet Finish-Splits Subcategory
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 property BPT limitations
Maximum for any 1 day Maximum for monthly average
Kg/kkg (or pounds per 1,000 pounds) of raw material
BOD5 5.8 2.6
TSS 8.3 3.8
Oil & Grease 2.4 1.1
Total Chromium 0.15 0.05
pH (1) (1)
1 Within the range of 6.0 to 9.0.
Collected 2026-08-27T02:26:04Z. Source file · JSON