{"data":{"id":"us/40-cfr-420.34","jurisdiction":"us","citation":"40 CFR 420.34","heading":"New source performance standards (NSPS).","body":"The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.\n(a) Iron blast furnace.\nSubpart C\nPollutant or pollutant property New source performance standards\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of products\nTSS 0.0117 0.00438\nO\u0026G 0.00292\nAmmonia-N 0.00876 0.00292\nCyanide 0.000584 0.000292\nPhenols (4AAP) 0.0000584 0.0000292\nTRC 1 0.000146\nLead 0.000263 0.0000876\nZinc 0.000394 0.000131\npH (2) (2)\n1 The standards for TRC shall be applicable only when chlorination of ironmaking wastewaters is practiced.\n2 Within the range of 6.0 to 9.0.\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":"1711f8c0ad0ff186c5a1e3d290d6dbcd5bbc75c373566c629a48f99f4caba0f8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-420.33","next":"us/40-cfr-420.35"},"notice":"GroundRules: Original legal text. Not legal advice."}
