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~, ,~ III IIIIIIIIIIIIIIII <br />Richartl D. Lamm <br />Governor <br />DEPARTMENT OF NATURAL RESOURCES <br />David H. Getches, E:ecutne Director <br />MINED LAND RECLAMATION DID <br />DAVID C. SHELTON, Director <br />January 10, 1986 <br />Mr. Henry Barbe <br />Powderhorn Coal Company <br />P.O. Box 1430 <br />Palisade, Colorado 81526 <br />Re: Groundwater Sample - CRDA 1 <br />N'c-tvay <br />Dear ~8artrer <br />Roadside Mine (File No. C-81-041) <br />Enclosed please find the results of a water quality sample from the northern - <br />most well at the Cameo Refuse Disposal Area 1. <br />The first page details general comments, including depth-to-water in the well <br />before sampling, field pH, specific conductance GuMhos/cm @ 25o c) and <br />temperature. <br />The second page lists the parameters sampled for, and the concentration of <br />these constituents, <br />If Powderhorn Coal Company decides to seek Division approval to route spoil <br />pile discharges to a sediment pond, the Division will require calculations <br />which support the contention that the receiving pond can handle the 10 year 24 <br />hour event plus the discharge from the seeps, and still meet Department of <br />Health effluent limitations. <br />If you have any questions, please contact me. <br />Sincerely, <br />Steven Renn r <br />Hydrologist <br />SR/vjr ~ <br />cc ` Thomas D. Gillis <br />6456E <br />423 Centennial Building, 1373 Sherman Street Denver, Colorado 80203 Tel. (303) 866-3567 <br />