{"data":{"id":"us/40-cfr-465.31","jurisdiction":"us","citation":"40 CFR 465.31","heading":"Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.","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 practicable control technology currently available:\nSubpart C\nPollutant or pollutant property BPT Effluent limitations\nMaximum for any 1 day Maximum for monthly average\nmg/m 2 (pounds per 1 million ft 2) of area processed\nChromium 1.42 (0.29) 0.58 (0.12)\nCyanide 0.98 (0.20) 0.41 (0.083)\nZinc 4.48 (0.92) 1.89 (0.39)\nAluminum 15.3 (3.14) 6.26. (1.28)\nOil and grease 67.3 (13.8) 40.4 (8.27)\nTSS 138.0 (28.3) 67.3 (13.8)\npH (1) (1) (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 465—COIL COATING POINT SOURCE CATEGORY","Subpart C—Aluminum 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":"d3811050ea920a793eeb1204d026404162d9bbc64f90f785e3858b82695121be","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-465.30","next":"us/40-cfr-465.32"},"notice":"GroundRules: Original legal text. Not legal advice."}