{"data":{"id":"us/40-cfr-437.14","jurisdiction":"us","citation":"40 CFR 437.14","heading":"New source performance standards (NSPS).","body":"(a) Except as provided in § 437.10(b), any new source subject to this subpart must achieve the following performance standards:\nPerformance Standards\nRegulated parameter Maximum daily 1 Maximum monthly avg. 1\nConventional Parameters\nO\u0026G 205 50.2\npH (2) (2)\nTSS 29.6 11.3\nMetal Parameters\nAntimony 0.111 0.0312\nArsenic 0.0993 0.0199\nCadmium 0.782 0.163\nChromium 0.167 0.0522\nCobalt 0.182 0.0703\nCopper 0.659 0.216\nLead 1.32 0.283\nMercury 0.000641 0.000246\nNickel 0.794 0.309\nSelenium 0.176 0.0698\nSilver 0.0318 0.0122\nTin 0.0955 0.0367\nTitanium 0.0159 0.00612\nVanadium 0.0628 0.0518\nZinc 0.657 0.252\n1 mg/L (ppm).\n2 Within the range 6 to 9.\n(b) In-plant standards for cyanide are the same as the limitations specified in § 437.11(b).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 437—THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY","Subpart A—Metals Treatment and Recovery"],"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":"9e43eb7864be1ebc8fe67ed579412822bc86b464e350b15a51c2b15e8eaf763b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-437.13","next":"us/40-cfr-437.15"},"notice":"GroundRules: Original legal text. Not legal advice."}