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ACZ <br />• ACZ labonamrirr, )nc. <br />30400 Dewnhir( Drivr <br /> Steamboat Spnngt, CO 80087 <br /> (800) 3345497 <br /> Kerr Coal Co. <br /> P.O. Box 487 <br /> Walden, CO 80480 <br /> Jim Mossman <br /> cc: lay James <br />Lab Sample [D: L13997-01 <br />Client Sample ID: 327 <br />Client Project ID: <br />ACZ Report ID: RG45593 <br />Date Sampled: 5/28/97 /0:58 <br />Date Received: S/30/97 <br />Date Reported: 6/18/97 <br />Sample Matrix: Surface Water <br /> Field Data <br /> Conduc[iviry (Field) Field Meazuremen[ 400 umhos/cm $28/97 jm <br /> pH (Field) Field Measurement 8.3 wits 528/97 jm <br /> Temperature (Field) Field Meazwement 13.0 C 528/97 jm <br /> Metals Aaal sis <br /> Calcium, dissolved M200.7 ICP 38.6 mg/L 0.2 1 6/7/97 kr <br /> Iron, total M200.7 ICP 0.98 mglL O.OI 0.05 6/18/97 ss <br /> Magnesium, dissolved M200.7 ICP 12.2 mg/L 0.2 1 6/7/97 kr <br /> Manganese. total M200.7 ICP 0.044 mg/L 0.005 0.03 6/18N7 ss <br /> Potazsium, dissolved M200.71CP 3.0 mg/L 0.3 I 6/7/97 kr <br /> Sodium, dissolved M200.7 ICP 51.6 mg/L 0.3 1 6liN7 Itr <br />• Metals Pre <br /> Total Hot Pla[e Digestion M30101CP 6/14/97 lace <br /> Wet Chemist <br /> Alkaliniry az CaC03 M310.1 <br /> Bicarbonate az CaC03 156 mg/L 2 10 6/I 1/97 sh <br /> Carbonate az CaC03 U mg/L 2 10 6/f 1/97 sh <br /> Hydroxide az CaC03 U mg/L 2 10 6!I 1/97 sh <br /> Total Alkaliniry 156 mg/L 2 10 6/I 1/97 sh <br /> Cation-Anion Balance Calculation <br /> Caion-Anion Balance -2.2 % 6/18/97 talc <br /> Sum of Anions 5.52 meq/L 0.01 0.05 6/18/97 talc <br /> Sum of Cations 5.26 meq/L 0.01 0.05 6/!8/97 talc <br /> Chloride M326.2 -Calorimetric (RFA) J B mg/L I 5 6/I 1/97 ss <br /> Hardness az CaC03 Calculazion based on dissolved Mg & Ca 147 mg/L I 7 6/18/97 colt <br /> Lab Filtration "' 6/30/97 lace <br /> Lab Filtration & Acidification ••' S/JO/97 las <br /> Nitrate a N, dissolved M363.2 -Automated Cadmium Reduction 0.02 B mg/L 0.02 0.1 5/31/97 jb <br /> NitrateMitrite az N, dissolved M363.2 • Automated Cadmium Reduction 0.02 B mg/L 0.02 0.1 5/31/97 jb <br /> Nitrite az N, dissolved M363.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 5/31/97 jb <br /> Residue, Filterable (TDS)Ql8l1C M160.1 -Gravimetric 330 mg/L 10 20 6/3/97 bgb <br /> Residue,Non-Filterable (TSS)Q103•SC M160.2-Grevimetric 10 B mg/L 5 20 6/10/97 gm <br />a <br />U =Analyte was analyzed for but not detected az the indicated MDL /~ <br />'B =Analyte concentration dctcctcd at a value between MDL end PQL y//D_ _,~ ~-,r <br />PQL =Practical Quentitation Limit ~~ i' ~w-s~~ <br />Vice President of Operations: Ralph Paulsen <br />REPINIO[c.01.96.0[ Page 1 of 2 <br />