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<br />JAN. 11.2005 3:34PM SGS MINERALS <br />January 11, 2005 <br />Mountain Coal Company <br />West Elk Mine <br />P.O. Box 591 <br />Somerset, CO 81434 <br />USA <br />Client Sample ID. 016 Discharge <br />Date Received: 12/29/2004 <br />Matrix: Water <br />ANALYTE <br />Rate Sampled <br />Field • pH <br />Field -Temperature <br />Project Namef# <br />Sample Taken ey <br />Sample type <br />Time Sampled <br />SGS Sample ID: 072-12149-DD7 <br />N0, 7539 P, 4 <br />12/28/2004 <br />8.3 s.u. <br />11 °c <br />West Elk Mine <br />Michael Brejonick <br />Grab <br />9:30 A.M. <br />ANALYZED <br />RESULT METHOD LOD DATE/TIME ANALYST <br />Conductivity 420 umhoslcm SM2510 B 1 12/2912004 1055 JD <br />Iron, Total 0.24 mg/L EPA200.7 0.01 01/0612005 1941 JS <br />pH 8.39 s.u. SM4500-H B 0.01 12/2912004 1400 pR <br />Solids, Totaf Dissolved 250 mg/L SM2540 C 5 12/29/2004 1115 JD <br />Solids, Settleable X0.1 mUUhr SM2540 F 0.1 12!29!2004 1045 JD <br />Solids, Total Suspended 10 mg/L SM2540 D 5 12/2912004 1435 JD <br />Method Reference(s): <br />"Standard Methods for the F~camination of Water and Wastewaier",16th Edition, 1992; APHA-AW WA-WEF <br />"Methods for the Determination of Metals in Environmental Samples", EPA1600/4-91/010, June 1991 <br />M E M 6 E R ReSpecHullysubmined, <br />® SGS NORTH AMERICA INC, <br /> <br />Page 1 of 1 Denver La6oretory <br /> SGS North America Inc Minerals Services Division <br /> 4665 Pori$ Street, Suire 8-200, Denver, CO 90739 t (3031373-4772 113031373-0791 vnvvsgs.com <br />i+65 M[Mbet 51 N[ 3G$ GmYO <br /> TERMS ANn f%1NOrnON3 ON RE/FASE <br />