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January 14, 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 />12/29/2004 <br />Water <br />Date Sampled <br />Field - pH <br />Field -Temperature <br />Sample Taken By <br />Sample Type <br />Time Sampled <br />12/28/2004 <br />8.2 s.u. <br />20°c <br />Michael Brejonick <br />Grab <br />9:00 A.M. <br />SGS Sample ID: 072-12150-001 <br />ANALYTE <br />~Ikalinity, Bicarbonate 2500 mg/L HC03 SM2320 B 1 <br />~Ikalinity, Carbonate 5 mg/L C03 SM2320 B 1 <br />~Ikalinity, Total 2000 mg/L CaC03 SM2320 B 1 <br />3romide, Total 1.7 mg/L EPA300.0 0.02 <br />;hloride, Total 270 mg/L EPA300.0 i <br />;onductivity 4700 umhos/cm SM2510 B 1 <br />=luoride, Total 2.77 mg/L EPA300.0 0.02 <br />ron, Dissolved 0.23 mg/L EPA200.7 0.01 <br />ron, Potentially Dissolved 0.48 mg/L EPA200.7 0.01 <br />aluminum, Total 0.19 mg/L EPA200.7 0.02 <br />3arium, Total 0.370 mg/L EPA200.7 0.005 <br />3oron, Total 2.1 mglL EPA200.7 0.02 <br />calcium, Total 11 mg/L EPA200.7 0.01 <br />ron, Total 0.55 mg/L EPA200.7 0.01 <br />_ithium, Total 0.163 mg/L EPA200.7 0.005 <br />vlagnesium, Total 3.9 mg/L EPA200.7 0.01 <br />vlanganese, Total 0.077 mg/L EPA200.7 0.005 <br />'otassium, Total 5.4 mg/L EPA200.7 0.05 <br />Silicon, Total 6.4 mg/L EPA200.7 0.05 <br />Sodium, Total 1300 mg/L EPA200.7 0.05 <br />Strontium, Total 1.7 mg/L EPA200.7 0.005 <br />?inc, Total 0.020 mg/L EPA200.7 0.005 <br />Nitrogen, Ammonia 0.66 mg/L SM4500-NHS H 0.05 <br />Nitrogen, Nitrate 0.25 mg/L EPA300.0 0.02 <br />MEMBER RespecNully submined, <br />® SGS NORTH AMERICA INC <br />~~ s <br />Page 1 Of 2 Denver Laboratory <br />SGS North America Inc. Minerals Services Division <br />4665 Paris Street, Suite B-200, Denver, CO 60239 f 13031 <br />F<es <br />ANALYZED <br />RESULT METHOD LOD DATEITIME ANALYST <br />12/30/2004 0845 JD <br />12/30/2004 0845 JD <br />12/30/2004 0845 JD <br />12/29/2004 1530 CV <br />12/29/2004 1530 CV <br />12/29/2004 JD <br />12/29/2004 1530 CV <br />01/12/2005 1909 JS <br />01/12/2005 1822 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/06/2005 1944 JS <br />01/0612005 1300 JL <br />12!29/2004 1530 CV <br />373-4772 1(3031 373-4791 vr\vw.sgs.com <br />Member of the SGS Group <br />