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Crushed Stonepacting Factor

1. In April and July 1977 the Environmental Protection Agency EPA acting under the Federal Water Pollution Control Act Act as amended 86 Stat. 816 33 U.S.C. 1251 et seq. promulgated pollution discharge limitations for the coal mining industry and for that portion of the mineral mining and processing industry comprising the crushed-stone construction-sand and gravel categories.1 .

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