Regulations last checked for updates: May 15, 2024

Title 40 - Protection of Environment last revised: May 13, 2024
§ 409.51 - 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.

(b) [Reserved]

authority: Secs. 301, 304 (b) and (c), 306 (b) and (c), 307 (c) and (d), and 316(b) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251,1311,1314,1316,1317,and; 86 Stat. 816
cite as: 40 CFR 409.51