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iii iiiiiiiiiiiiiiii <br />ROCKV MOUNTAIN CONSULTANTS. INC. <br />June I5, 1998 <br />Mr. Thomas A. Schreiner <br />Environmental Protection Specialist <br />Division of Minerals and Geology <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Inc <br />Premiere Building <br />Delawore Ave., Suite 500 <br />RECEIV Longmon7, CO 80501 <br />(303) 772-5282 <br />JUN 16 ~g9g M FAX (303) 665-6959 <br />E-moil rmclong®rmii.com <br />~~~v;sion of Minerals B Geobyy <br />RE: The Shores 112 Permit Application Adequacy Review, File No. M-98-013 <br />Dear Mr. Schreiner: <br />Listed below are responses to your adequacy review comments noted in the letter dated <br />May 22, 1998. <br />E.rhibi! D -Mining Plan <br />Hall-Irwin Construction Company will take [he following measures to contain spills or leaks of <br />any stored petroleum products associated with the batch plants. <br />A containment berm and plastic liner will be installed to contain any spill due [o overfill or <br />tank rupture. Tanks will be equipped with gauges to avoid overfilling tanks when deliveries <br />are received. The storage tanks will never be filled to above 90% of tank capacity. <br />• Spills will be immediately cleaned up with absorbent materials which will be kept near <br />fueling area in a metal container. <br />All employees who handle petroleum products at [his facility will be trained in the safe <br />handling of these products, [he operation of equipment and in spill prevention and counter <br />measures. <br />Hall-Irwin will utilize the following Best Management Practices [o minimize the potential for <br />disturbing the water quality in the laterals and ditches and remain in compliance with Rule <br />3.1.6(1): <br />• The active mining area will be surrounded by a dewatering trench. Any water leaving the <br />active mining area will be intercepted by the trench. Water from the trench will be pumped <br />into a settling pond prior to being discharged. The discharge will be monitored pursuant to <br />. ~~~.; - <br />~~ <br />CDPHE standards. ~ ~~ ~L <br />[~ . <br />~~ u ,. i~ ~ ~,-~ f <br />l~ „~]'~ L <br />CIVIL AND ENVIRONMENTAL ENGINEERING • PLANNING Y~`''~ <br />• <br />