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ACZ <br />ACZ labarabncf, lnc. <br />30000 Down/u7f Drive <br />Sreamboar Springs, CO 80!87 <br />(800) 334.5493 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: Ll35S1-03 <br />Client Sample ID: 79-1 <br />Client Project ID: <br />ACZ Report ID: RG43228 <br />Date Sampled: 4/25/97 01:30 <br />Date Received: 4/25/97 <br />Date Reported: 5/14/97 <br />Sample Matrix: Ground Water <br />Meazurcment <br />4/25/97 cm <br />Calcium, dissolved M200.7 ICP 26.0 mg/L 0.2 I 4/30/97 kr <br />Iron, dissolved M200.7 ICP 0.33 mg/L 0.01 0.05 4(30/97 kr <br />Magnesium, dissolved M200.7 ICP 3.0 mg/L 0.2 I 4/30N7 kr <br />Manganese, dissolved M200.7 ICP 0.107 mg/L 0.005 0.03 4/30/97 kr <br />Potazsium, dissolved M200.71CP 2.3 mg/L 0.3 I 4/30197 kr <br />Sodium, dissolved M200.71CP 500.0 mg/L 0.6 2 4!30/97 kr <br />Wet Chemist <br />Alkalinity az CaC03 M2320B <br />Bicarbonate az CaC03 463 mg/L 2 10 4!25/97 jb <br />Carbonate az CaC03 U mg/L 2 10 425197 jb <br />Hydroxide az CaC03 U mg/L 2 10 425/97 jb <br />Total Alkalinity 463 mg/L 2 10 4/25/97 jb <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 1.7 % 5/14/97 talc <br />Sum of Anions 22.80 meq/L 0.01 0.05 5/14/97 talc <br />Sum of Cations 23.60 meq/L 0.01 0.05 5/14/97 talc <br />Chloride M325.2 - Colorimetric (RFA) 50 mg/L 1 5 5/8/97 jb <br />Hardncss az CaC03 Calculation based on dissolved Mg B: Ca 77 mg/L I 7 5/14/97 talc <br />Lab Filtration ••• 429/97 mks <br />Lab Filtration & Acidification •" 4l29N7 mks <br />Nitrate az N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 425/97 jb <br />Nitrate/Nivite u N, dissolvcd M353.2 -Automated Cadmium Reduction 0.04 B mg/L 0.02 0.1 485/97 jb <br />Nitrite az N, dissolved M353.2 -Automated Cadmium Reduction 0.05 mg/L O.OI 0.05 4!25197 jb <br />Residue, Filterable (TDS)QIBOC MI60I-Gravimetric 1380 mg/L 10 20 4/30/97 tw <br />Sulfate M375.3-Gravimetric 580 mg/L 10 20 5l7N7 bgb <br />TDS (calculated) Calculation 1440 mg/L 10 50 5/14/97 talc <br />TDS (ratio • measurcd/calculated) Calculation 0.96 5/!4/97 talc <br />• i~ <br />U =Analyze sraz analyud for but not detected az the indicated MDL <br />B =Analyze concenvazion detected at a value between MDL and PQL <br />;PQL =Practical Quantitarion Limit <br />REPIN[Ot 03.95.01 Page 1 of t <br />f'l ~Y~~ <br />Vice President of Operations: Ralph Poulun <br />