40 CFR § 440.32 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
---identifier: "/us/cfr/t40/s440.32"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 440.32 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)."title_number: 40title_name: "Protection of Environment"section_number: "440.32"section_name: "Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "440"part_name: "ORE MINING AND DRESSING POINT SOURCE CATEGORY"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "Secs. 301, 304(b), (c) and (e), 306, 307, and 501 of the Clean Water Act (The Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977 and the Water Quality Act of 1987), (the Act), 33 U.S.C. 1311, 1314(b), (c) and (e), 1316, 1317, and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4."regulatory_source: "47 FR 54609, Dec. 3, 1982, unless otherwise noted."cfr_part: "440"---
Identifier
/us/cfr/t40/s440.32
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Environmental Protection Agency
Authority
Secs. 301, 304(b), (c) and (e), 306, 307, and 501 of the Clean Water Act (The Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977 and the Water Quality Ac... Secs. 301, 304(b), (c) and (e), 306, 307, and 501 of the Clean Water Act (The Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977 and the Water Quality Act of 1987), (the Act), 33 U.S.C. 1311, 1314(b), (c) and (e), 1316, 1317, and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4.
# 440.32 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).Except as provided in subpart L of this part and 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 after application of the best practicable control technology currently available (BPT):(a) The concentration of pollutants discharged in mine drainage from mines, either open-pit or underground, from which uranium, radium and vanadium ores are produced excluding mines using in-situ leach methods shall not exceed:| | | || --- | --- | --- || | Milligrams per liter | || TSS | 30 | 20 || COD | 200 | 100 || Zn | 1.0 | 0.5 || Ra226 (dissolved) | 10 | 3 || Ra226 (total) | 30 | 10 || U | 4 | 2 || pH | () | () || Values in picocuries per liter (pCi/l). | | || Within the range 6.0 to 9.0. | | |(b) The concentrations of pollutants discharged from mills using the acid leach, alkaline leach or combined acid and alkaline leach process for the extraction of uranium, radium and vanadium including mill-mine facilities and mines using in-situ leach methods shall not exceed:| | | || --- | --- | --- || | Milligrams per liter | || TSS | 30 | 20 || COD | | 500 || As | 1.0 | .5 || Zn | 1.00 | .5 || Ra226 (dissolved) | 10 | 3 || Ra226 (total) | 30 | 10 || NH | | 100 || pH | () | () || Values in picocuries per liter (pCi/l). | | || Within the range 6.0 to 9.0. | | |