---identifier: "/us/cfr/t40/s458.11"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 458.11 - Specialized definitions."title_number: 40title_name: "Protection of Environment"section_number: "458.11"section_name: "Specialized definitions."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "458"part_name: "CARBON BLACK 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), 307 (b) and (c), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316(b) and 1317 (b) and (c), 86 Stat. 816 Pub. L. 92-500) (the Act)."regulatory_source: "43 FR 1343, Jan. 9, 1978, unless otherwise noted."cfr_part: "458"---
Identifier
/us/cfr/t40/s458.11
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Environmental Protection Agency
Authority
Secs. 301, 304 (b) and (c), 306(b), 307 (b) and (c), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316(b) and 1317 (b) and (c), 86 Stat. 816 Pub. L. 92-500... Secs. 301, 304 (b) and (c), 306(b), 307 (b) and (c), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316(b) and 1317 (b) and (c), 86 Stat. 816 Pub. L. 92-500) (the Act).
# 458.11 Specialized definitions.For the purpose of this subpart:(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.(b) The term “product” shall mean carbon black manufactured by the furnace process.(c) The term “process waste water” shall mean waters which result from baghouse operations or thermal quench operations.