{"data":{"id":"us/40-cfr-420.33","jurisdiction":"us","citation":"40 CFR 420.33","heading":"Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).","body":"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 available technology economically achievable.\n(a) Iron blast furnace.\nSubpart C\nPollutant or pollutant property BAT effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nAmmonia-N 0.00876 0.00292\nCyanide 0.00175 0.000876\nPhenols (4AAP) 0.0000584 0.0000292\nTRC 1 0.000146\nLead 0.000263 0.0000876\nZinc 0.000394 0.000131\n1 The limitation for TRC shall be applicable only when chlorination of ironmaking wastewaters is practiced.\n(b) [Reserved]","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 420—IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY","Subpart C—Ironmaking 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":"3d0bb2262081568428281abc23107a5984a40210e135e1707693705d9d0ace74","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-420.32","next":"us/40-cfr-420.34"},"notice":"GroundRules: Original legal text. Not legal advice."}