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ACZ <br />ACZ La6onororier, /nc. <br />30400 Qownhiff Drive <br />• Steamboat Springs, CO 80487 <br />(800) 3345193 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Field <br />Lab Sample ID: LI47S3-OS <br />Client Sample ID: AP-2 <br />Client Project ID: <br />ACZ Report ID: RG48671 <br />Date Sampled: 7/18/97 11:55 <br />Date Received: 7/2//97 <br />Date Reported: 8/6/97 <br />Sample Matrix: Ground Water <br />Conductivity (Field) Field Meazurcment 500 umhos/cm 7/18!97 jm <br />pH (Field) Field Meazurement 8.0 units 7/16/97 jm <br />Temperature (Field) Field Meazurement 15.0 C 7/18/97 jm <br />Metals Aoal sis <br />Calcium, dissolved M200.7 ICP 55.8 mg/L 0.2 1 7/30/97 jaw <br />Iron, dissolved M200.71CP U mg/L 0.01 0.05 7l30N7 jew <br />Magnesium, dissolved M200.7 ICP J6.6 mg/L 0.2 l 7/30197 jew <br />Manganese. dissolved M200.7 ICP 0.207 mg/L 0.005 0.03 7/30/97 jaw <br />Potazsium, dissolved M200.71CP 1.7 mg/L 0.3 I 8/1/97 jaw <br />Sodium, dissolved M200.71CP 29.2 mg/L 0.3 I 7!30/97 jaw <br />.. ca a„ucw uar <br />• Alkalinity az CaC03 <br />Bicarbonate az CaC03 <br />Carbonate az CaC03 <br />Hydroxide u CaC03 <br />Total 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 Filtration <br />Lab Filtration & Acidification <br />Nitrate az N, dissolved <br />NitrateMitritc u N, dissolved <br />Nitrite az N. dissolved <br />Residue, Filterable (TDS) Q180C <br />Sodium Absorption Ratio in Water <br />Sulfate <br />iD5 (calculated) <br />TDS (ratio - meazurcd/calculared) <br />Calculation <br />M325.2 - Colorimetric (RFA) <br />Calculation based on dissolved Ca & Mg <br />... <br />... <br />M353.2 -Automated Cadmium Reduction <br />M353.2 - Automared Cadmium Reduction <br />M353.2 -Automated Cadmium Reduction <br />M 160.1 -Gravimetric <br />USGS -11738-78 <br />M375.7 - Gmvimetric <br />Calcularion <br />Calculation <br />s <br />• U = Analytc was analyzed Cor but no[ detected ar the indicated MDL '~ <br />B =Analyze concentration detected at a value between MDL and PQL <br />PQL =Practical Quantization Limit <br />REPIN[01.03.95.01 Page 1 of 1 <br />301 mg/L 2 10 724/97 <br /> U mg/L 2 10 724/97 <br /> U mg/L 2 10 724/97 <br />301 mg/L 2 10 724/97 <br />0.5 9: 6/6!97 <br />7.06 meq/L 0.01 0.05 8/6197 <br />7.13 meq/L 0.01 0.05 8/6/97 <br />7 mg/L I 5 725/97 <br />290 mg/L 1 7 8/6/97 <br /> 721/97 <br /> 781/97 <br /> U mg/L 0.02 0.1 723/97 <br /> U mg/L 0.02 0.1 783/97 <br /> U mg/L 0.01 0.05 723/97 <br />360 mg/L 10 20 724/97 <br />0.75 0.03 0.15 8/6197 <br />40 mg/L 10 20 725197 <br />351 mg/L 10 50 B/6l97 <br />1.03 8/6197 <br />jb <br />jb <br />jb <br />jb <br />talc <br />talc <br />talc <br />jb <br />talc <br />rd <br />rd <br />jb <br />jb <br />jb <br />ac <br />talc <br />ac <br />talc <br />talc <br />i2, ~r <br />Vice President of Operations: Ralph Po en <br />