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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />t <br />1 <br />1 <br />ACZ ~L <br />ACZ [alwrorarter, Inc. Iab Sample ID: L9360-19 <br />30400 AvwnhiU i'hivr Client Sample ID: 79-6/ <br />Sleambaat Springy, CO 80487 Client Projec[ ID: ~ <br />~ <br />(800) 334-5493 ACZ Report ID: RG15283 `\~. <br />/ <br />Kerr Coal Company Date Sampled: 4/19/96 11:10 <br />P.O. Box 487 Date Received: 4/12/96 <br />Walden, CO 80480 Date Reported: 4/30/96 <br />George Patterson <br /> Sample Matrix: Surface Water <br />Conductivity (Field) Field Meazurement 300 umhos/cm 4/19/96 jm <br />pH (Field) Field Meazzuemen[ 7.6 units 4/19N6 jm <br />Temperature (Field) Field Meazurement S.0 C 4/19% jm <br />Metals Anal sis <br />Calcium, dissolved M200.7 ICP 21.8 mg/L 0.2 1 425% n <br />Iron, dissolved M200.7 ICP 0.37 mglL 0.01 0.05 4R9% rs <br />Magnesium, dissolved M200.7 ICP 6.0 mg/L 0.2 I 423N6 n <br />Manganex, dissolved M200.7 ICP 0.045 mg/L 0.005 0.03 423% n <br />Potassium, dissolved M200.71CP 21 mg/L 0.3 1 4R3% n <br />Sodium, dissolved M200.71CP 72.9 mg/L 0.3 1 4RSN6 n <br />Wet Chemist <br />Alkaliniry az CaC03 M310.1 <br />Bicarbonate az CaC03 187 mglL 2 10 423N6 ss <br />Carbonate az CaC03 U mg/L 2 10 423% sr <br />Hydroxide az CaC03 U mg/L 2 IO 4R3% ss <br />Total Alkaliniry I87 mg/L 2 10 4R3% ss <br />Cazion-Anion Balance Calculazion <br />Cation-Anion Balance -0.9 °.L 4130% talc <br />Sum of Anions 4.96 meglL O.OI 0.03 4f30% tale <br />Sum of Cations 4.87 meglL 0.01 0.03 4130% tale <br />Chloride ~ M323.2 - Colorimetric (RFA) 6 mg/L I 3 429N6 hm <br />Hardness az CaC03 Calculation baud on dissolved Mg & Ca 79 mg/L 1 7 4f30% talc <br />Lab Filtration •" 423% chfjw <br />Lab Filtration & Acidification ••• 423% jaw <br />Nitrate az N, dissolved M353.2 -Automated 0.04 B mg/L 0.02 0.1 4113% ss <br />NitrateMitrite as N, dissolved M333.2 -Automated Cadmium Reductio 0.04 B mglL 0.02 0.1 423N6 ss <br />Nitrite az N, dissolved M333.2 -Automated U mg/L 0.01 0.03 423% ss <br />Residue, Filterable (TDS)QI80C M160.1-Grevimetric 300 mg/L 10 20 4R3% jk <br />Sodium Absorption Ratio in Water USGS - 11738.78 3.61 0.03 0.13 4130% talc <br />Sulfate M373.3-Gravimetric 50 mg/L 10 20 425% jk <br />TDS (calculated) Calcularion 272 mglL 10 SO 4/30% ulc <br />TDS (ratio - meazwed/calculeted) Calculation 1.10 4I70N6 talc <br />a ~ <br />U =Analyze was analyzed for but not detected az the indicated MDL <br />~B =Analyze conccntrotion detected at a value between MDL and PQL <br />PQL =Practical Quantization Limit <br />o voo~~~t r^ os 0+ _- _ .- P3ae 1 of <br />~~ <br />Vice President of Operations: Ralph Poulson <br />