40 CFR § 424.15 - Standards of performance for new sources.
---identifier: "/us/cfr/t40/s424.15"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 424.15 - Standards of performance for new sources."title_number: 40title_name: "Protection of Environment"section_number: "424.15"section_name: "Standards of performance for new sources."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/s424.15
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.
# 424.15 Standards of performance for new sources.The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:| | | || --- | --- | --- || | Metric units (kg/Mwh) | || TSS | 0.024 | 0.012 || Chromium total | .0008 | .0004 || Chromium VI | .00008 | .00004 || Manganese total | .008 | .0039 || pH | () | () || | English units (lb/Mwh) | || TSS | .052 | .026 || Chromium total | .0017 | .0009 || Chromium VI | .0002 | .0001 || Manganese total | .017 | .0086 || pH | () | () || Within the range 6.0 to 9.0. | | |