{"data":{"id":"us/40-cfr-440.142","jurisdiction":"us","citation":"40 CFR 440.142","heading":"Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).","body":"Except as provided in 40 CFR 125.30-125.32, 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 (BPT):\n(a) The concentration of pollutants discharged in process wastewater from an open-cut mine plant site shall not exceed:\nEffluent limitations\nEffluent characteristics Instantaneous maximum\nSettleable solids 0.2 ml/l\n(b) The concentration of pollutants discharged in process wastewater from a dredge plant site shall not exceed:\nEffluent characteristics Effluent limitations—Instantaneous maximum\nSettleable solids 0.2 ml/l","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 M—Gold Placer Mine 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":"9524c8e4d46f8a3646ff1542049513221965ac8bd4858ea8ee9fd2664b9e2fd4","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-440.141","next":"us/40-cfr-440.143"},"notice":"GroundRules: Original legal text. Not legal advice."}