{"data":{"id":"us/40-cfr-440.64","jurisdiction":"us","citation":"40 CFR 440.64","heading":"New source performance standards (NSPS).","body":"Except as provided in subpart L of this part any new source subject to this subpart must achieve the following NSPS representing the degree of effluent reduction attainable by the application of the best available demonstrated technology (BADT):\n(a) The concentration of pollutants discharged in mine drainage from tungsten mines shall not exceed:\nEffluent characteristic Effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nMilligrams per liter\nCd 0.10 0.05\nCu 0.30 0.15\nZn 1.0 0.5\npH (1) (1)\nTSS 30.0 20.0\n1 Within the range of 6.0 to 9.0.\n(b) The concentration of pollutants discharged from mills shall not exceed:\nEffluent characteristic Effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nMilligrams per liter\nCd 0.10 0.05\nCu 0.3 0.15\nZn 1.0 0.5\npH (1) (1)\nTSS 30.0 20.0\n1 Within the range of 6.0 to 9.0.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 440—ORE MINING AND DRESSING POINT SOURCE CATEGORY","Subpart F—Tungsten Ore 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":"2999d4dc71f477e256de899bd67cec184920ffc2eae3288efde1932e10ad1462","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-440.63","next":"us/40-cfr-440.65"},"notice":"GroundRules: Original legal text. Not legal advice."}