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Subpart E—Primary Electrolytic Copper Refining Subcategory

40 CFR Part 421 Subpart E

Citation40 CFR Part 421 Subpart E
ContainsSections § 421.50–§ 421.57
CorpusDaily eCFR
Displayed edition2026-09-24
Last updated2026-09-24

Subpart E—Primary Electrolytic Copper Refining Subcategory

Sections

AuthoritySecs. 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 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), 1318 and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4.
Source49 FR 8801, Mar. 8, 1984, unless otherwise noted.