40 CFR § 417.110 - Applicability; description of the SO solvent and vacuum sulfonation subcategory.
---identifier: "/us/cfr/t40/s417.110"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 417.110 - Applicability; description of the SO solvent and vacuum sulfonation subcategory."title_number: 40title_name: "Protection of Environment"section_number: "417.110"section_name: "Applicability; description of the SO solvent and vacuum sulfonation 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: "2026-04-05"last_updated: "2026-04-05"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/s417.110
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
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.
# 417.110 Applicability; description of the SO solvent and vacuum sulfonation subcategory.The provisions of this subpart are applicable to discharges resulting from the operations in which undiluted SO<sub>3</sub> and organic reactant are fed through a mixing nozzle into a vacuum reactor where the sulfonation of the organic reactant takes place.