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L- ? C? ?)D--OD 7 <br />MOUNTAIN COAL <br />COMPANYL.L.C. <br />A Subsidiary of Arch Western Bituminous Group, LLC <br />April 16, 2010 <br />Ms. Kelly Morgan P.ECENE® <br />Compliance Monitoring and Data Management Unit APR 19 2010 <br />Colorado Department of Public Health and the Environment Division u. <br />Water Quality Control Division (WQCD) P-B2 On 0 2nd S;:%ty <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />West Elk Mine <br />P.O. Box 591 <br />5174 Highway 133 <br />Somerset, CO 81434 <br />(970) 929-2200 <br />Fax (970) 929-5050 <br />Re: Mountain Coal Company, LLC (MCC), West Elk Mine, CDPS Permit No. CO-0038776, <br />Discharge Monitoring Reports for the First Quarter 2010. <br />Dear Ms. Morgan: <br />Attached are MCC's Discharge Monitoring Reports (DMRs) for the first quarter of 2010. There were no <br />exceedances during this reporting period. <br />Should you or your staff have questions or need additional information concerning these Discharge <br />Monitoring Reports, please contact me at (970) 929-2308. <br />Sincerely, <br />w <br />Ryan Sw etwoo <br />Environmental Engineer <br />Enclosures: NPDES Forms (DMRs) First Quarter 2010. <br />cc: D. Nolte <br />T. Kaldenbach - CDRMS <br />Availability of Records File - NPDES