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// MOUNTAIN COAL <br />/~~COMPANYLLC. <br />A Subridiay ofMch WeCau He+olaee+.I2.C /O <br />~~_ \\\ <br />5G 1 <br />July 31, 2006 <br />Mr. Chris Gates <br />RECEIVED <br />AUG 0 3 2006 <br />ObMMa d Minarau anu G~owOY <br />Colorado Department of Public Hesith and the Environment <br />Water Quality Control Division (WQCD), Enforcement and Compliance Section <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />West Elk Mine <br />POHox 591 <br />5174 Highway 133 <br />Somerset, CO 81434 <br />(970)929-SOTS <br />Fax (970)429-5595 <br />Re: Mountain Coal Company, LLC (MCC), West Elk Mine, CDPS Permit No. CO-0038776, <br />Discharge Monitoring Repotts for the Second Quarter 2006. <br />Dear Mr. Gates: <br />Attached are the Discharge Monitoring Reports (DMRs) for the second quarter of 2006. Also attached <br />are the Biomonitoring reports from the EnviroChem Analytical, Inc. dated Apri12006, for Outfall 017. <br />The discharge from Outfa11017, is experiencing high alkalinity values resulting in failure of the <br />biomonitoring tests in Daphnia magna populations, however the second quarter tests show that both <br />species passed. <br />Should you or your staff have questions or need additional information concerning these Discharge <br />Monitoring Reports, please contact me at (970) 929-2238. <br />Sin , <br /> <br /> MY View found the above-referenced sport(s) N compliance <br />' with the following DRMS Regulations: <br />eery B <br />Environmental Engineer <br />4.05.13(2xaXiii) - Timely submitml of DMRs to CDRMS. <br />~ . <br />Enclosures; NPDES Forms (DMRs) for 2nd Qt a.os.13(zxaxa) -Timely n:porting a cDRMS Gf any <br />exceedances of effluent limitetiom. <br />cc: Tom ICaldenbach - CDMG ~ a.os. u3) - complianre with Federal ana state water <br />that W discharges <br />l <br />i <br />~ <br />Availability of Records File - NPDES aws <br />ty <br />qual <br />P <br />of surface water. <br />arctmMSntxa <br />° ~ t ~ ° ` ~~ <br /> <br />wM !/C~~ MINING <br />svrtn <br /> <br /> Tom Y:sldenbech Q /246( <br />nmental Protection Specialist Date: <br />i <br />E <br /> ro <br />nv <br /> oceans Imaalrta C ~_ g o .007 <br /> Puma: <br /> ;Class: Hydrology <br /> TY W: DMar Q Z . oG <br /> Name; Adeglmcy Memo ~--- <br /> From: DMG <br /> To: Operamr <br />:......................................................... <br />