For the purpose of this subpart:
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) of the Federal Water Pollution Control Act, as amended;
33 U.S.C. 1251,
1311,
1314,
1316,
1317; 86 Stat. 816
source: 39 FR 6582, Feb. 20, 1974, unless otherwise noted.
cite as: 40 CFR 422.61