Regulations last checked for updates: Feb 16, 2025

Title 40 - Protection of Environment last revised: Nov 16, 2025
§ 446.11 - Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

authority: Secs. 301, 304(b) and (c), 306(b) and (c) and 307(c), Federal Water Pollution Control Act, as amended (the Act); 33 U.S.C. 1251,1311,1314,1316; 86 Stat. 816
source: 40 FR 31725, July 28, 1975, unless otherwise noted.
cite as: 40 CFR 446.11