{"data":{"id":"us/40-cfr-466.25","jurisdiction":"us","citation":"40 CFR 466.25","heading":"Pretreatment standards for new sources.","body":"Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicy owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.\n(a) There shall be no discharge of process wastewater pollutants from metal preparation operations.\n(b) The discharge of process wastewater pollutants from all porcelain enameling coating operations shall not exceed the values set forth below:\nSubpart B—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMg/m2 (pounds per million ft2) of area coated\nChromium 0.47 (0.10) 0.19 (0.04)\nLead 0.13 (0.03) 0.11 (0.02)\nNickel 0.69 (0.14) 0.47 (0.10)\nZinc 1.29 (0.27) 0.53 (0.11)","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 B—Cast Iron 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":"e2fc3064fa80e301591f5019e6bc0ce2eda94c4b885e0ccc8909be463a609573","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-466.24","next":"us/40-cfr-466.30"},"notice":"GroundRules: Original legal text. Not legal advice."}