40 CFR § 424.72 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
---identifier: "/us/cfr/t40/s424.72"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 424.72 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available."title_number: 40title_name: "Protection of Environment"section_number: "424.72"section_name: "Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available."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/s424.72
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.
# 424.72 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):| | | || --- | --- | --- || | Metric units (kg/kkg of product) | || TSS | 5.276 | 2.638 || Manganese | 2.111 | 1.055 || Chromium | 0.106 | 0.053 || Ammonia-N | 10.553 | 5.276 || pH | () | () || | English units (lb/1,000 lb of product) | || TSS | 5.276 | 2.638 || Manganese | 2.111 | 1.055 || Chromium | 0.106 | 0.053 || Ammonia-N | 10.553 | 5.276 || pH | () | () || Within the range 6.0 to 9.0. | | |[40 FR 8037, Feb. 27, 1975, as amended at 60 FR 33957, June 29, 1995]