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ACZ <br />ACZ laboratarier, lnc. <br />3tM00 Downhill Drive <br />• Steamboat Springs, CO 80487 <br />(800) JJ4-5493 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: Ll434~0/ <br />Client Sample [D: 327 <br />Client Project ID: <br />ACZ Report ID: RG4741 S <br />Date Sampled: 6/!9/97 09:50 <br />Date Received: 6/20/97 <br />Date Reported: 7/18/97 <br />Sample Matrix: Surface Water <br />Field Data <br />i. <br />Condu[tivity (Field) Field Measurement 200 umhos/cm 6/19/97 jm <br />pH (Field) Field Measurement 8.4 units 6/19/97 jm <br />Temperature (Field) Field Meazurcment 16.0 C 6/I9P97 jm <br />Calcium, dissolvcd M200.7 ICP 36.7 mg/L 0.2 I 7/17/97 jaw <br />Iron, total M200.7 ICP 0.47 mg/L 0.01 0.05 7/9N7 jaw <br />Magnesium. dissolved M200.71CP 8.7 mg/L 0.2 I 7/17/97 jaw. <br />Manganese, rota! M200.7 ICP 0.029 B mg/L 0.005 0.03 7/9/97 jaw <br />Potazsium, dissolved M200.71CP 2.3 mg/L 0.3 1 7/17/97 jaw <br />Sodium, dissolved M200.71CP 19.0 mg/L 0.3 I 7/17/97 jaw <br />Hot Plate Digestion M3010 ICP <br />Alkalinity as CaC03 M310.1 <br />Bicarbonate az CaC03 <br />Carbonate az CaC03 <br />Hydroxide az CaC03 <br />Total Alkalinity <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance <br />Sum of Anions <br />Sum of Cations <br />Chloride M326.2 - Colorimetric (RFA) <br />Hardness az CaC03 Calculation hazed on dissolved Ca & Mg <br />Lab Filtration ••• <br />Lab Filtration & Acidification °°° <br />Nitrate az N. dissolved M363.2 -Automated Cadmium Reduction <br />NitrateMitnre az N, dissolved M363.2 -Automated Cadmium Reduction <br />Nitrite az N. dissolved M363.2 -Automated Cadmium Reduction <br />Residue, Filterable (TDS) ~180C MI60.1 - Gravimetric <br />Residue, Non-Filterable (TSS) Q103-6C M 160.2 - Gravimetric <br />• U = Analyze waz analyzed for but not detectcd at the indicated MDL <br />B = Analyze concentration detected at a value between MDL and PQL <br />PQL =Practical Quantiution Limit <br />7/8/97 tw <br />143 mg/L 2 IO 72/97 gm <br /> U mg/L 2 10 72/97 gm <br /> U mg/L 2 10 72/97 gm <br />143 mg/L 2 10 72/97 gm <br />2.4 °/s 7/18/97 calc <br />3.28 meq/L 0.01 0.05 7/18/97 calc <br />3.44 meq/L 0.01 0.05 7/18/97 calc <br /> U mg/L I 5 7/15/97 jb <br />126 mg/L I 7 7/18/97 calc <br /> 621/97 laa <br /> 62!/97 lace <br /> U mg/L 0.02 0.1 620/97 jb <br /> U mg/L 0.02 0.1 620/97 jb <br /> U mg/L 0.01 0.05 620/97 jb <br />190 mg/L 10 20 624/97 kr <br />12 B mg/L 5 20 624/97 kr <br />~Y //t^^'X'~ <br />Vice President of Dptrclions: Ralph Poulson <br />REPIN101.03.95.01 Page 1 of 2 <br />