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January 07, 2005 <br />Mountain Coal Company <br />West Elk Mine <br />P.O. Box 591 <br />Somerset, CO 81434 <br />USA <br />Client Sample ID: <br />Date Received: <br />Matrix: <br />017 Discharge <br />12/10/2004 <br />Water <br />Date Sampled <br />Sample Taken By <br />Sample Type <br />Time Sampled <br />12/07/2004 <br />Michael Brejonick <br />Grab <br />1:00 P.M. <br />SGS Sample ID: 072-11966-001 <br />ANALYTE <br />ANALYZED <br />RESULT METHOD LOD DATE/TIME ANALYST <br />tH 8.26 s.u. SM4500-H B 0.01 12/10/2004 1430 DR <br />'hosphorus, Ortho 0.22 mg/L EPA300.0 0.01 12110/2004 1630 CV <br />Solids, Total Dissolved 2200 mg/L SM2540 C 5 12/10/2004 7340 JD <br />Solids, Settleable <0.1 mL/Uhr SM2540 F 0.1 12/10/2004 1120 TS <br />iolids, Total Suspended 27 mg/L SM2540 D 5 12/10/2004 1415 JD <br />Sulfate 580 mg/L EPA300.0 5 12/21/2004 1710 CV <br />Sample Notes: <br />Total Cations = 107.6 <br />Total Anions = 101.6 <br />Difference = 2.85 (within accep table limits of 2 to 5 %) <br />Method Reference(s): <br />"Standard Methods for the Examination of Water and Wastewater", 18th Edition, 1992; APHA-AWWA-WEF <br />"Methods for the Determination of Metals in Environmental Samples", EPA/600/4-91/010, June 1991 <br />"Methods for the Determination of Inorganic Substances in Environmental Samples", EPA/600/R-93/100 <br />M E M B E R Respectfully submitted, <br />® SGS NORTH AMERICA INC. <br />/ ~YU~AA.~ hdll.K.A.~ <br />Denver Labo2tory <br />Page 2 of 2 SGS Nottfi America Inc Minerals Services Division <br />J 4665 Pans Street, Suite B-200, Denver, CD 80239 t 13031373-4772 - f (3031373-4791 <br />Foes ~ Member o(the SGS Group <br />