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ACZ <br />ACZ lnborworirs, lnc. <br />• 30400 DownluQ Drive <br />Srcam6oat Springs, CO 80487 <br />(800) 334-5493 <br />Lab Sample ID: Ll3393-06 <br />Client Sample lD: 327 <br />Client Project ID: <br />ACZ Report ID: RG42515 <br />Kerr Coal Co. Date Sampled: 4////g7 /4:52 <br />P.O. Box 487 Date Received: 4//4/97 <br />Walden, CO 80480 Date Reported: 4/22/97 <br />Jim Mossman <br />cc: Jay James Sample Matrix: Surface Water <br />Field Data <br />Conductivity (Field) field Meazurcment 400 umhos/cm 4/10/97 jm <br />pH (Field) Field Meazurcmen[ 8.2 units 4/10/97 jm <br />Tempcremre (Field) Field Measurement 2.0 C 4/10/97 jm <br />Metals Anal sis <br />Calcium, dissolved M200.71CP 51.7 mg/L 0.2 I 4/14/97 kr <br />Iron. total M200.7 ICP I.IS mg/L 0.01 0.05 4/!9/97 ss <br />Magnesium, dissolved M200.7 ICP 14.3 mg/L 0.2 I 4/14/97 kr <br />htangancsc. total M200.7 ICP 0.031 mg/L 0.005 0.03 4/19/97 ss <br />Potazsium, dissolved M200.71CP 3.3 mg/L 0.3 I 4/14/97 kr <br />Sodium, dissolved M200.7 ICP 67.5 mg/L 0.3 I 4/14/97 tr <br />Metals Pre <br />• Total Hot Plate Digestion M3010ICP 4JI8/97 rd <br />Alkalinity u CaC03 <br />Bicarbonarc az C'aC03 <br />Carbonate u CaC03 <br />Hydroxide az CaC03 <br />Total Alkaliniry <br />Cation-Anion Balance <br />Cation-Anion Balance <br />Sum of Anions <br />Sum of Cations <br />Chloride <br />Hardness as CaC03 <br />Lab Filtration <br />Lab Filtration & Acidification <br />Nitrate u N. dissolved <br />NitretcMitnte az N, dissolved <br />Nitrite az N. Dissolved <br />Residue. Filterable (TDS) CISOC <br />Residue, Non•Filtereble (TSS) rLt1103-SC <br />Calculation <br />M325.2 - Colorimetric (RFA) <br />Calculation hazed on dissolved Mg &. Ca <br />... <br />M353.2 -Automated Cadmium Reduction <br />M353.2 -Automated Cadmium Reduction <br />M353.2 -Automated Cadmium Reduction <br />M160.1 - Gravimetric <br />MI60.2 - Gravimetric <br />t , <br />U = Analy[e ~vaz analyzed for but not detected at the indicazed MDL <br />B = Analyze concentration dctcc[ed at a valuc between MDL and PQL <br />PQL =Practical Quantization Limit <br />REPIN701.03.95.01 Paga 1 of 2 <br />178 mg/L 2 10 4/15/97 jb <br /> U mg/L 2 10 4/15/97 jb <br /> U mg/L 2 10 4/15/97 jb <br />178 mg/L 2 10 4/15/97 jb <br />1.3 % 4!22/97 talc <br />6.64 meq/L 0.01 0.05 422/97 talc <br />6.81 meq/L 0.01 0.05 422/97 talc <br />5 mg/L l 5 4/18/97 hm <br />188 mg/L I 7 422/97 talc <br /> 4/15/97 laa <br /> 4/ 15/97 laa <br />0.05 B mg/L 0.02 0.1 4/15/97 hm <br />0.05 B mg/L 0.02 0.1 4/15/97 hm <br /> U mg/L 0.01 0.05 4/15/97 hm <br />400 mg/L 10 20 4/I 5/97 bgb <br />20 mg/L 5 20 4/15/97 bgb <br />Vicc President ofOperations: Ralph Poulson <br />