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Peak Project Management, LLC <br />34115 County Road 20.8 Trinidad, CO 81082 <br />Telephone: (719) 84611975 Fax: (719) 846930 Cell: (719) 859-0111 <br />ronthompsonl)wildblue.net <br />Via Certified Mail 7006 0100 0003 6413 70] 7 <br />October 19, 2007 <br />Colorado Department of Public Health and Environment <br />Water Quality Control Division <br />WQCD-PE-B2 <br />4300 Cherry Creek Drive South <br />Denver, Colorado 80246-1530 <br />Re: Discharge Monitoring Report - and Quarter 2007 <br />Lorencito Canyon Mme - Permit No. COG-850044 <br />Enclosed are the DMR's for the above referenced pemtit for the third quarter of 2007.Outfalls 001 A, 002, <br />003, 004A, 0t4, 01 S, 017, 018, 019, 020, 021, 022, 023, 024, 025, and 026 have not been constructed. The <br />mine is closed and no disturbance has occurred within the drainage areas reporting to these proposed ponds. <br />Outfalls 005, 006, 007, 009A, and OlOA have been constructed and no discharge occurred from these <br />facilities during the Quarter. <br />Pond 008 and 009B both discharged during the quarter. A discharge water quality summary and laboratory <br />reports for these discharges are enclosed with the DMR's. The discharge on July 20 resulted from a rain <br />event occurring on July 19. A total of 12" was received at the Lorencito mine. The ]0-year 24-hour storm <br />event is 2.9". Lorencito Coal Company is requesting a waiver of TSS and Iron for a storm event of less <br />than the rated 10 n 24-hr evem for these discharges. <br />Please contact me if there are any questions or if additional information is required. <br />Sinoarel~ G <br />Ronald G. Thompson <br />Agent for Lorencito Coal Company, LLC <br />