40 CFR § 417.176 - Pretreatment standards for new sources.
---identifier: "/us/cfr/t40/s417.176"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 417.176 - Pretreatment standards for new sources."title_number: 40title_name: "Protection of Environment"section_number: "417.176"section_name: "Pretreatment standards for new sources."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "417"part_name: "SOAP AND DETERGENT 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), and 307(c) of the Federal Water Pollution Control Act as amended, (the Act); 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c) and 1317(c), 86 Stat. 816 Pub. L. 92-500."regulatory_source: "39 FR 13372, Apr. 12, 1974, unless otherwise noted."cfr_part: "417"---
Identifier
/us/cfr/t40/s417.176
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), and 307(c) of the Federal Water Pollution Control Act as amended, (the Act); 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c) and 1317(c), 86 Stat.... Secs. 301, 304 (b) and (c), 306 (b) and (c), and 307(c) of the Federal Water Pollution Control Act as amended, (the Act); 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c) and 1317(c), 86 Stat. 816 Pub. L. 92-500.
# 417.176 Pretreatment standards for new sources.Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standards establishes the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged to a publicly owned treatment works by a new source subject to the provisions of this subpart.(a) There shall be no discharge of waste water streams in which both the COD/BOD*7* ratio exceeds 10.0 and the COD exceeds 0.26 kg/kkg of anhydrous product.(b) For waste streams having either a ratio of COD to BOD*7* of 10.0 or less or a COD content of 0.26 kg/kkg of anhydrous product or less the pretreatment standard shall be:| Pollutant or pollutant property | Pretreatment standard || --- | --- || BOD | No limitation. || COD | Do. || TSS | Do. || Surfactants | Do. || Oil and grease | Do. || pH | Do. |[39 FR 13372, Apr. 12, 1974, as amended at 60 FR 33955, June 29, 1995]