40 CFR § 461.53 - New source performance standards (NSPS).
---identifier: "/us/cfr/t40/s461.53"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 461.53 - New source performance standards (NSPS)."title_number: 40title_name: "Protection of Environment"section_number: "461.53"section_name: "New source performance standards (NSPS)."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "461"part_name: "BATTERY 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), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 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) (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217."regulatory_source: "49 FR 9134, Mar. 9, 1984, unless otherwise noted."cfr_part: "461"---
Identifier
/us/cfr/t40/s461.53
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Environmental Protection Agency
Authority
Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water A... Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 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) (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.
# 461.53 New source performance standards (NSPS).(a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below:(1) Subpart E—Lead Iodide Cathodes—NSPS.| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average || --- | --- | --- || | Metric units—mg/kg of lead | || | English units—pounds per 1,000,000 pounds of lead | || Chromium | 23.34 | 9.46 || Lead | 17.66 | 8.20 || Iron | 75.70 | 38.48 || TSS | 946.2 | 756.96 || pH | () | () || Within the range of 7.5-10.0 at all times. | | |(2) Subpart E—Iron Disulfide Cathodes—NSPS.| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average || --- | --- | --- || | Metric units—mg/kg of Iron disulfide | || | English units—pounds per 1,000,000 pounds of Iron disulfide | || Chromium | 2.79 | 1.13 || Lead | 2.11 | 0.98 || Iron | 9.05 | 4.60 || TSS | 113.1 | 90.5 || pH | () | () || Within the range of 7.5-10.0 at all times. | | |(3) Subpart E—Miscellaneous Wastewater Streams—NSPS.| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average || --- | --- | --- || | Metric units—mg/kg of cells produced | || | English units—pounds per 1,000,000 pounds of cells produced | || Chromium | 0.039 | 0.016 || Lead | 0.030 | 0.014 || Iron | 0.129 | 0.066 || TSS | 1.62 | 1.30 || pH | () | () || Within the range of 7.5-10.0 at all times. | | |(4) Subpart E—Air Scrubbers—NSPS.| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average || --- | --- | --- || | Metric units—mg/kg of cells produced | || | English units—pounds per 1,000,000 pounds of cells produced | || TSS | 434.0 | 207.0 || pH | () | () || Within the range of 7.5-10.0 at all times. | | |(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.