40 CFR § 417.90 - Applicability; description of the oleum sulfonation and sulfation subcategory.
---identifier: "/us/cfr/t40/s417.90"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 417.90 - Applicability; description of the oleum sulfonation and sulfation subcategory."title_number: 40title_name: "Protection of Environment"section_number: "417.90"section_name: "Applicability; description of the oleum sulfonation and sulfation subcategory."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/s417.90
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.
# 417.90 Applicability; description of the oleum sulfonation and sulfation subcategory.The provisions of this subpart are applicable to discharges resulting from the manufacture of sulfonic acid and sulfuric acid esters by means of sulfonation and sulfation of raw materials, including but not limited to petroleum derived alkyls, employing oleum in either continuous or batch processes.