§422.40. Applicability; description of the defluorinated phosphate rock subcategory.
40 C.F.R. § 422.40
The provisions of this subpart are applicable to discharges resulting from the defluorination of phosphate rock by application of high temperature treatment along with wet process phosphoric acid, silica and other reagents.
Notes, amendments, and revision history
Source
Source: 41 FR 25975, June 23, 1976, unless otherwise noted.
Authority
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 (b) and (c), 1316 (b) and (c), 1317(c); 86 Stat. 816 et seq., Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.
Source
Source: 39 FR 6582, Feb. 20, 1974, unless otherwise noted.