40 CFR 421.5 - Removal allowances for pretreatment standards.

Regulations last checked for updates: May 08, 2024

Title 40 - Protection of Environment last revised: Apr 08, 2030

View all text of Part 421 [§ 421.1 - § 421.337]

§ 421.5 - Removal allowances for pretreatment standards.

Removal allowances pursuant to 40 CFR 403.7(a) may be granted for the toxic metals limited in 40 CFR part 421 when used as indicator pollutants.

authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316 (b) andc, 1317 (b) andc,1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4

source: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.

cite as: 40 CFR 421.5