{"data":{"id":"us/40-cfr-425.95","jurisdiction":"us","citation":"40 CFR 425.95","heading":"Pretreatment standards for existing sources (PSES).","body":"(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:\nPollutant or pollutant property PSES\nMaximum for any 1 day Maximum for monthly average\nMilligrams per liter (mg/l)\nTotal Chromium 19 12\npH (1) (1)\n1 Within the range 6.0 to 10.0.\n(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.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"e9f39a05e3b9bb0d4cd2fe717fa3b42b047f319e824f06d9b1599e9ce98f4a5b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-425.94","next":"us/40-cfr-425.96"},"notice":"GroundRules: Original legal text. Not legal advice."}