40 CFR § 466.23 - New source performance standards.
---identifier: "/us/cfr/t40/s466.23"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 466.23 - New source performance standards."title_number: 40title_name: "Protection of Environment"section_number: "466.23"section_name: "New source performance standards."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "466"part_name: "PORCELAIN ENAMELING POINT SOURCE CATEGORY"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 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) (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: "47 FR 53184, Nov. 24, 1982, unless otherwise noted."cfr_part: "466"---
Identifier
/us/cfr/t40/s466.23
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Environmental Protection Agency
Authority
Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 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) (the ... Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 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) (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.
# 466.23 New source performance standards.Any new source subject to this subpart must achieve the following new source performance standards.(a) There shall be no discharge of process wastewater pollutants from metal preparation operations.(b) The discharge of process wastewater pollutants from all porcelain enameling coating operations shall not exceed the values set forth below:Subpart B—NSPS| | | | | || --- | --- | --- | --- | --- || | Mg/m (pounds per million ft) of area coated | | | || Chromium | 0.47 | (0.10) | 0.19 | (0.04) || Lead | 0.13 | (0.03) | 0.11 | (0.02) || Nickel | 0.69 | (0.14) | 0.47 | (0.10) || Zinc | 1.29 | (0.27) | 0.53 | (0.11) || Aluminum | 3.82 | (0.78) | 1.56 | (0.32) || Iron | 1.55 | (0.32) | 0.79 | (0.16) || Oil and grease | 12.60 | (2.58) | 12.60 | (2.58) || TSS | 18.91 | (3.87) | 15.12 | (3.10) || pH | () | () | () | () || Within the range 7.5 to 10.0 at all times. | | | | |[47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36544, Sept. 6, 1985]