{"data":{"id":"us/40-cfr-466.14","jurisdiction":"us","citation":"40 CFR 466.14","heading":"Pretreatment standards for existing sources.","body":"(a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.\nSubpart A—PSES\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMilligrams per liter (mg/l)\nChromium 0.42 0.17\nLead 0.15 0.13\nNickel 1.41 1.00\nZinc 1.33 0.56\n(b) In cases where POTW find it necessary to impose mass effluent pretreatment standards the following equivalent mass standards are provided:\nSubpart A—PSES\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetal preparation Coating operation Metal preparation Coating operation\nMetric units—mg/m 2 of area processed or coated\nChromium 16.82 0.53 6.81 0.22\nLead 6.01 0.19 5.21 0.16\nNickel 56.5 1.78 40.1 1.26\nZinc 53.3 1.68 22.5 0.71\nEnglish units—lbs/1 million ft 2 of area processed or coated\nChromium 3.45 0.11 1.4 0.05\nLead 1.23 0.04 1.07 0.03\nNickel 11.6 0.37 8.20 0.26\nZinc 10.9 0.35 4.6 0.15","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 466—PORCELAIN ENAMELING POINT SOURCE CATEGORY","Subpart A—Steel Basis Material 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":"95af5e8cbfb4094b7d8a5a5124de91fda6bb759240e70bd60f976bf838151c12","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-466.13","next":"us/40-cfr-466.15"},"notice":"GroundRules: Original legal text. Not legal advice."}