GroundRules
40 CFR 425.95: Pretreatment standards for existing sources (PSES).
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
(a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403, and must achieve the following pretreatment standards:
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
Milligrams per liter (mg/l)
Total Chromium 19 12
pH (1) (1)
1 Within the range 6.0 to 10.0.
(b) Any existing source subject to this subpart which processes less than 3,600 splits/day shall comply with § 425.95(a), except that the total chromium limitations contained in § 425.95(a) do not apply.
Collected 2026-08-27T02:26:04Z. Source file · JSON