The provisions of this subpart are applicable to discharges of pollutants resulting from the production of phosphorus and ferrophosphorus by smelting of phosphate ore.
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 422.10