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ACZ <br />ACZ laborvrorirr, lnc. <br />• 30400 DawnhiII Drfvr <br />SrramboN Springy, CO 80087 <br />(800) 334.5497 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: Ll355l-0! <br />Client Sample ID: 79-61 <br />Client Project ID: <br />ACZ Report ID: RG43116 <br />Date Sampled: 4/15/97 !!: 30 <br />Date Received: 4/15/97 <br />Date Reported: 5//4/97 <br />Sample Matrix: Ground Waler <br />Data <br />Conductivity (Field) <br />Metals Aoalvsis <br />425ro7 cm <br />Calcium, dissolved M200.7 ICP 50.3 mg/L 0.4 2 4/30N7 kr <br />Iran, dissolved M200.7ICP 0.02 B mg/L 0.02 0.1 4!30197 kr <br />Magnesium, dissolved M200.71CP 14.0 mg/L 0.4 2 4/30/97 kt <br />Manganese, dissolved M200.7 ICP 0.02 B mg/L 0.01 0.05 4/30/97 kr <br />Potassium, dissolved M200.11CP l.0 mg/L 0.3 1 5/13197 tr <br />Sodium, dissolved M200.7 ICP 202.0 mg/L 0.6 2 4/30197 kr <br />Wet <br />• Alkalinity as CaC03 <br />Bicarbonaze as CaC03 <br />Carbonate az CaC03 <br />Hydroxide as CaC03 <br />Toral Alkalinity <br />Cation-Anion Balance <br />Cation-Anion Balance <br />Sum of Anions <br />Sum of Cations <br />Chloride <br />Hardness az CaC03 <br />Lab Filtmtion <br />Lab Filvation & Acidification <br />Nitrate as N, dissolved <br />NitrateMitrite az N, dissolved <br />Nitrite as N, dissolved <br />Residue, Filterable (TDS) QIBOC <br />Sulfate <br />TDS (calculated) <br />TDS (ratio - measurcd/calcula[ed) <br />1 1 <br />J <br />Calculation <br />MJ25.2 - Colorimetric (RFA) <br />Calculation based on dissolved Mg & Ca <br />•. <br />..r <br />M353.2 -Automated Cadmium Reduction <br />M353.2 -Automated Cadmium Reduction <br />M353.2 -Automated Cadmium Reduction <br />M 160.1 - Gravimctric <br />M375.J - Gravimetric <br />Calculation <br />Calculation <br />, <br />U =Analyze ssas analyzed for but not dctected at the indicated MDL <br />~B =Analyze concenua[ion detected at a value between MDL and PQL <br />PQL =Practical Quantimtion Limit <br />REPIN101.03.95.01 Page 1 of 1 <br />481 mg/L 2 10 5/13ro7 ss <br />6 B mg/L 2 10 5/I3ro7 ss <br /> U mg/L 2 10 5/13/97 ss <br />488 mg/L 2 10 5/13/97 ss <br />o.o ^i snaro7 tale <br />12.60 me4/L 0.01 0.05 5/14/97 talc <br />12.60 meq/L 0.01 0.05 5/14/97 talc <br />6 mg/L 1 5 5/13/97 jb <br />183 mg/L I 7 5/14/97 talc <br /> 429197 mks <br /> 429/97 mks <br /> U mg/L 0.02 0.1 425ro7 jb <br /> U mg/L 0.02 0.1 4/25197 jb <br />0.02 B mg/L O.OI 0.05 425/97 jb <br />660 mg/L 10 20 4/30ro7 tw <br />130 mg/L 20 40 5/13/97 bgb <br />700 mg/L 10 50 5/14/97 talc <br />0.94 5/14/97 talc <br />/C l~ ,GNA~O~ <br />Vice President of Operations: Ralph Poulson <br />