The provisions of this subpart are applicable to the mining and the processing of phosphate bearing rock, ore or earth for the phosphate content.
[43 FR 9809, Mar. 10, 1978]
authority: Secs. 301, 304 (b) and (c), Federal Water Pollution Control Act, as amended (
33 U.S.C. 1251,
1311,
1314,
86. 816
source: 40 FR 48657, Oct. 16, 1975, unless otherwise noted.
cite as: 40 CFR 436.180