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.t <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: 017 Discharge <br />Date Received: 12/21/2004 <br />Matrix: Water <br />Date Sampled <br />Field - pH <br />Field -Temperature <br />Sample Taken By <br />Time Sampled <br />12/20/2004 <br />8.2 s.u. <br />15°c <br />Michael Brejowick <br />8:30 A.M. <br />SGS Sample ID: 072.12081-001 <br />ANALYZED <br />4NALYTE RESULT METHOD LOD DATE/TIME ANALYST <br />alkalinity, Bicarbonate 2400 mg/L HC03 SM2320 B 1 12/2712004 1330 JD <br />alkalinity, Carbonate 19 mg/L C03 SM2320 B 1 1212712004 1330 JD <br />alkalinity, Total 2000 mg/L CaC03 SM2320 B 1 12/27/2004 1330 JD <br />Sromide, Total 1.8 mg/L EPA300.0 0.02 12/21/2004 1710 CV <br />:hloride, Total 280 mg/L EPA300.0 1 12121/2004 1710 CV <br />:onductivity 4800 umhos/cm SM2510 B 1 12/23!2004 1120 JD <br />luoride, Total 2.79 mg/L EPA300.0 0.02 12/21/2004 1710 CV <br />-on, Dissolved 0.13 mg/L EPA200.7 0.01 01/07/2005 1830 JS <br />~on, Potentially Dissolved 0.43 mg/L EPA200.7 0.01 01/07/2005 1830 JS <br />aluminum, Total 0.20 mg/L EPA200.7 0.02 01/06/2005 1913 JS <br />iarium, Total 0.381 mg/L EPA200.7 0.005 01/06/2005 1913 JS <br />3oron, Total 2.1 mg/L EPA200.7 0.02 01/06/2005 1913 JS <br />;alcium, Total 11 mg/L EPA200.7 0.01 01/06/2005 1913 JS <br />'on, Total 0.48 mg/L EPA200.7 0.01 01/06/2005 1913 JS <br />.ithium, Total 0.168 mg/L EPA200.7 0.005 01/06/2005 1913 JS <br />Aagnesium, Total 4.0 mg/L EPA200.7 0.01 01/06/2005 1913 JS <br />Aanganese, Total 0.066 mglL EPA200.7 0.005 01/06/2005 1913 JS <br />'otassium, Total 5.3 mg/L EPA200.7 0.05 01/06/2005 1913 JS <br />silicon, Total 6.51 EPA200.7 0.1 01/06/2005 1913 JS <br />>odium, Total 1300 mg/L EPA200.7 0.05 01/06/2005 1913 JS <br />strontium, Total 1.7 mg/L EPA200.7 0.005 01/06/2005 1913 JS <br />'_inc, Total 0.015 mg/L EPA200.7 0.005 01/06/2005 1913 JS <br />Jitrogen, Ammonia 0.53 mg/L SM4500-NH3 H 0.05 01/06/2005 1300 JL <br />Jitrogen, Nitrate 0.12 mg/L EPA300.0 0.02 12/21/2004 1710 CV <br />MEMBER Respectfully submitted, <br />® S,/,G~S/AN,ORTH AMpE^~R~IC.AeINnC. <br />I~u~ /~S <br />Page 1 of 2 Denver Laboratory <br />SGS North America Inc. Minerals Services Division <br />4fi65 Paris Street, Suite B-200, Denver, CO 80239 t (3031 373-4 7 72 f (3031373-4791 wewvsgs.com <br />r-0es Member of the SGS Group <br />