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Acz <br />ACZ laboralorics, /nc. <br />30400 DownhrII Drive <br />. Slcamboat Springs, CO 80487 <br />(800) 334-5493 <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: L/4753-0/ <br />Client Sample ID: 327 <br />Client Project ID: <br />ACZ Report ID: RG48667 <br />Date Sampled: 7/18/97 09:45 <br />Date Received: 7/2//97 <br />Date Reported: 8/6/97 <br />Sample Matrix: Surface Water <br />Conductivity (Field) Field Meazurcment 200 umhos/cm 7/18!97 jm <br />pH (Field) Field Meazurcment B.5 units 7/18/97 jm <br />Temperature (Field) Field Meazurcment 17.0 C 7/18/97 jm <br />Metals Anal sis <br />Calcium, dissolved M200.71CP 36.9 mg/L 0.2 1 8/IN7 jaw <br />Iron, total M200.7 ICP 0.66 mg/L 0.01 0.05 8/SN7 jaw <br />Magnesium, dissolved M200.71CP 8.2 mg/L 0.2 1 8/1/97 jaw <br />Manganese. total M200.7 ICP 0.030 mg/L 0.005 0.03 6/4/97 jaw <br />Potassium. dissolved M200.71CP 2.0 mg/L 0.3 I 8/1/97 jaw <br />Sodium, dissolvcd M200.71CP 13.3 mg/L 0.3 I 8/IN7 few <br />Total Hot Plate Digestion M3010ICP 8/4N7 laa <br />Wet Chemistry <br />Alkaliniry az CaC03 M310.1 <br />Bicarbonatc az CaC03 141 mg/L 2 10 724/97 jb <br />Carbonate az CaC03 U mg/L 2 10 724/97 jb <br />Hydroxide az CaC03 U mg/L 2 10 724/97 jb <br />Total Alkalinity 141 mg/L 2 IO 724/97 jb <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 3.2 % 8/697 talc <br />Sum of Anions 2.96 meq/L 0.01 0.05 8/6/97 talc <br />Sum of Cations 3.15 meq/L 0.01 0.05 B/697 talc <br />Chloride M325.2 - Colorimetric (RFA) 5 mg/L I 5 725N7 jb <br />Hudness az CaC03 Calculation hazed on dissolved Ca & Mg 126 mg/L I 7 8/6/97 talc <br />Lab Filtration ••• 721/97 rd <br />Lab Filtration & Acidification ••• 7/21/97 rd <br />Nitrate az N, dissolvcd M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 723/97 jb <br />Nitra[eMitrite u N, dissolved M35J.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 723/97 jb <br />Nitrite az N. dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 723/97 jb <br />Residue, Filtcrable (TDS)Q180C MItiO.l-Gravimetric 160 mg/L 10 20 7/31N7 ac <br />Residue, Non-Filterable (TSS) Q103-iC M160.2 - Gravimetric U mg/L 5 20 7!25/97 ac <br />s <br />• .U =Analyte waz analyzcd for bu[ not detected at the indicarcd MDL <br />B =Analyte concentration detected at a value bctwcen MDL and PQL ~- -Fa r <br />PQL = Practical Quantization Limit <br />Vice President of Opcrations: RalphP Isen <br />REPIN701.03.95.01 Page t of 2 <br />