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''~ JAN. 11. 200§ 3:34PM <br />January 11, 2005 <br />Mountain Caal Company <br />West Elk Mine <br />P.O. Box 59t <br />Somerset, CO 83434 <br />USA <br />Client Sample ID: <br />Date Received: <br />Matrix: <br />SGS MINERALS <br />017 pischarge <br />12/21/2004 <br />Water <br />N0. 7539 <br />12(2012004 <br />8.2 s.u. <br />15°c <br />Michael Brejowick <br />8:30 A.M. <br />P. 2 <br />Date Sampled <br />Field - pH <br />Field -Temperature <br />Sample Taken By : <br />Time Sampled <br />SGS Sampl® ID: 072-12081-001 <br />ANALYTE <br />ANALYZED <br />RESULT METHOb LOD DATEITIME ANALYST <br />pH 8.28 s.u. SM4500-H B 0.01 12/2112004 1130 DR <br />Phosphorus, Ortho 0.14 mglL EPA300.0 0.01 12121/2004 1710 CV <br />Solids, Total Dissolved 3100 mglL SM2540 C 5 12/2312004 1145 JD <br />Solids, Settleable <0.1 mWLlhr SM2540 F 0.1 1212112004 1045 TS <br />Solids, Total Suspended 8 mg/L SM2540 D 5 12!23/2004 1315 JD <br />Sulfate 320 mglL EPA300.0 5 12/21/2004 1710 CV <br />Sample Notes; <br />Sample Notes; Total Cations = 57.85 <br />Total Anions =54.76 <br />% Difference = 2.75 (wi thin acceptable limits of 2 to 5 %) <br />Method Reference(s}: <br />"Standard Methods for the Examination of Water and Wastewater', 18th Edition, 1992; APHA-AWWA-W EF <br />"Methods for the Determination of Metals in Environmental Samples", EPAI600/4-91/010, June 1991 <br />"Methods for the Determination of Inorganic Substances in Environmenfal Samples", EPAl600/R-93!100 <br />MEMBER <br />Pegs 2 of 2 <br />SGS North America lu. I Minerals Services Division <br />4665 Pads StrBet, Suire 9-. <br />RespeciluNy submhted, <br />SGS NORTH AMERICA INC. <br />~~. s <br />Denvef LaboraWry <br />Fay <br />7EAN1E AND CONOrtaDN$ ON REV EASE <br />99239 t(393)373-0772 1~3D31373~791 wwvwsg4.com <br />Memeer of tl~e SGS Gwvp <br />