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Acz <br />ACZ fabornronrt, inc. <br />!0400 Downhif2 Drive <br />•Steamfrom Springt, CO 80487 <br />(800) !34.5093 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: x/3796-OS <br />Client Sample !D: 317 <br />Client Project ID: <br />ACZ Report ID: RG444l4 <br />Date Sampled: 5/14/97 /1:21 <br />Date Received: 5/15/97 <br />Date Reported: 6/!6/97 <br />Sample Matrix: Surface Water <br />Conductivity (Field) FYeld Meazuremen[ 700 umhos/cm 5/14197 jm <br />pH (Field) Field Meazurement 8.2 units 5/14/97 jm <br />Temperaturc (Field) Field Meazurement 11.0 C 5/14/97 jm <br />Metals Anal sis <br />Calcium, dissolved M200.71CP 37.2 mg/L 0.2 ! 5/19/97 jaw <br />Iron, total M200.7 ICP 0.93 mg/L 0.01 0.05 5/17/97 ss <br />Magnesium, dissolved M200.7 ICP 9.6 mglL 0.2 f 5119197 jaw <br />Manganese. total M200.71CP 0.033 mg/L 0005 0.03 5/17/97 ss <br />Potazsium. dissolved M200.71CP 2.2 mg/L 0.3 I 521!97 jaw <br />Sodium, dissolved M200.7 ICP 33.0 mg/L 0.3 I 5/19/97 jaw <br />Metals Pre <br />Total Hot Plate Digcstion M3010 ICP 5/16/97 laa <br />Wet Chemist <br />AlkaliniryazCaC07 M310.1 <br />Bicarbonate az CaC03 141 mg/L 2 10 5/22/97 ss <br />Carbonatc az CaC03 U mg/L 2 IO 5/22/97 ss <br />Hydroxide u CaC03 U mg/L 2 10 5/22/97 ss <br />Total Alkalinity 141 mg/L 2 10 522/97 ss <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 2.9 % 6/16/97 talc <br />Sum of Anions 3.97 meq/L 001 0.05 6/16!97 talc <br />Sum of Cations 4.16 meq/L 0.01 0.05 6/16/97 talc <br />Chloride M326.2 - Colorimetric (RFA) 2 B mg/L I 5 5/27/97 ss <br />Hardncss az CaC03 Calculation based on dissolvcd Mg &. Ca 132 mg/L I 7 6/16/97 talc <br />Lab Filvation '•' 6/16/97 laa <br />Lab Filtrarion & Acidification '•' 5/16/97 Im <br />Nitrate as N. dissolved M363.2-Automated Cadmium Reduction U mg/L 0.02 0.1 5/17/97 jb <br />NitratcMitrite u N, dissolved M363.2 • Automated Cadmium Reduction U mg/L 0.02 0.1 5/17/97 jb <br />Nitrite as N. dissolvcd M363.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 5/17/97 jb <br />Residue, Filterablc (TDS) ©ISOC M160.1 • Gravimetric 250 mg/L 10 20 5!10/97 tw <br />Residue. Non•Filtcrable (TSS) rr 103-SC M160.2 • Gravimctric 6 B mg/L 5 20 5/19!97 ms <br />t <br />•U = Analyte was analyzed for but not detected at the Indicated MDL /f <br />B =Analyse concentration detected at a valuc bctwcen MDL and PQL U~~~tpt <br />PQL =Practical Quantization Limit /\ 'mi'l <br />_ Vicc President of Operations: Ralph Poulson <br />REPINtOtc.01.96.01 Page 1 of 2 <br />