40 CFR § 424.63 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
---identifier: "/us/cfr/t40/s424.63"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 424.63 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable."title_number: 40title_name: "Protection of Environment"section_number: "424.63"section_name: "Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "424"part_name: "FERROALLOY MANUFACTURING 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) and (c), 306(b) and (c), 307(c) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251, 1311, 1314(b) and (c), 1316 (b) and (c), 1317(c); 86 Stat. 816 Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217."regulatory_source: "39 FR 6809, Feb. 22, 1974, unless otherwise noted."cfr_part: "424"---
Identifier
/us/cfr/t40/s424.63
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Environmental Protection Agency
Authority
Secs. 301, 304(b) and (c), 306(b) and (c), 307(c) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251, 1311, 1314(b) and (c), 1316 (b) and (c), 1317(c); 86 Stat. 816 Pub. L. 92-500... Secs. 301, 304(b) and (c), 306(b) and (c), 307(c) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251, 1311, 1314(b) and (c), 1316 (b) and (c), 1317(c); 86 Stat. 816 Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.
# 424.63 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.(a) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart producing electrolytic manganese after application of the best available technology economically achievable:| | | || --- | --- | --- || | Metric units (kg/kkg of product) | || Manganese | 0.678 | 0.339 || Ammonia-N | 6.778 | 3.389 || | English units (lb/1,000 lb of product) | || Manganese | 0.678 | 0.339 || Ammonia-N | 6.778 | 3.389 |(b) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart producing electrolytic manganese dioxide after application of the best available technology economically achievable:| | | || --- | --- | --- || | Metric units (kg/kkg of product) | || Manganese | 0.176 | 0.088 || Ammonia-N | 1.762 | .881 || | English units (lb/1,000 lb of product) | || Manganese | 0.176 | 0.088 || Ammonia-N | 1.762 | .881 |[44 FR 50745, Aug. 29, 1979]