The provisions of this subpart are applicable to the mining and the processing of sand and gravel for uses other than construction and fill. These uses include, but are not limited to glassmaking, molding, abrasives, filtration, refractories, and refractory bonding.
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 436.40