40 CFR § 415.66 - Pretreatment standards for new sources (PSNS).
---identifier: "/us/cfr/t40/s415.66"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 415.66 - Pretreatment standards for new sources (PSNS)."title_number: 40title_name: "Protection of Environment"section_number: "415.66"section_name: "Pretreatment standards for new sources (PSNS)."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "415"part_name: "INORGANIC CHEMICALS 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), 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 28278, June 29, 1982, unless otherwise noted."cfr_part: "415"---
Identifier
/us/cfr/t40/s415.66
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), and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act o... Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 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.
# 415.66 Pretreatment standards for new sources (PSNS).(a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and using the mercury cell process, which introduces pollutants into a publicly owned treatment works, must comply with 40 CFR part 403 and achieve the following Pretreatment Standards for New Sources (PSNS):Subpart F—Chlor-Alkali-Mercury Cells| | | || --- | --- | --- || | Milligrams per liter | || Mercury (T) | 0.11 | 0.048 |In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for mercury (T) are the same as specified in § 415.65(a).(b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and using the diaphragm cell process, which introduces pollutants into a publicly owned treatment works, must compy with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS):Subpart F—Diaphragm Cells| | | || --- | --- | --- || | Milligrams per liter (mg/1) | || Lead(T) | 0.53 | 0.21 |In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Lead(T) are the same as specified in § 415.65(b).[47 FR 28278, June 29, 1982, as amended at 47 FR 55226, Dec. 8, 1982]