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Laboratories, Inc. " :, A12Z - ` <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 r..y <br />Kerr Coal Company ACZ Sample ID: L59598-05 <br />Project ID: Date Sampled: 10124106 09:50 <br />Sample ID: SP-01 Date Received: 10124106 <br />Sample Matrix: Ground Water <br />Field Data moat <br /> <br />Conductivity (Field) <br />pH (Field) <br />Temperature (Field) <br />Metals Analysis <br /> <br />_AL <br />Field Measurement 1890 <br />Field Measurement 7.9 <br />Field Measurement 8.0 <br /> <br />F - <br />A EAAH <br />MS/cm <br />units <br />C <br /> <br />7V ftft R <br />10/24/06 9:50 jm <br />10/24/06 9:50 jm <br />10/24106 9:50 jm <br />Calcium, dissolved M200.7 ICP 7.2 mg/L 0.2 1 11/02106 18:17 !gme <br />Iron, dissolved M200.7 ICP 0.11 mg/L 0.02 0.05 11/02/06 18:17 igme <br />Magnesium, dissolved M200.7 ICP 0.7 B mg/L 0.2 1 11/02/06 18:17 gme <br />Manganese, dissolved M200.7 ICP 0.033 mg/L 0.005 0.03 11/02/06 18:17 gme <br />Potassium, dissolved M200.7 ICP 2.5 mg/L 0.3 1 11/02/06 18:17 Igme <br />Sodium, dissolved M200.7 ICP 423 mg/L 0.3 1 11/02/06 18:17 gme <br />Wet Chemistry <br /> <br />Alkalinity as CaC03 SM2320B - Titration <br />Bicarbonate as 986 mg/L 2 20 11/06/06 0:00 ct <br />CaC03 <br />Carbonate as CaC03 17 B mg/L 2 20 11/06/06 0:00 ct <br />Hydroxide as CaC03 U mg/L 2 20 11/06/06 0:00 ct <br />Total Alkalinity 1000 mg/L 2 20 11/06/06 0:00 ct <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -5.9 % 11/23/06 10:33 calc <br />Sum of Anions 21.5 meq/L 0.1 0.5 11/23/06 10:33 calc <br />Sum of Cations 19.1 meq/L 0.1 0.5 11/23/06 10:33 calc <br />Chloride M325.2 - Colorimetric 37 mg/L 1 5 11102/06 19:55 pjb <br />Hardness as CaC03 SM2340B - Calculation 21 mg/L 1 7 11/23/06 10:33 calc <br />Lab Filtration SM 3030 B 10/25/06 11:43 Izg/mis <br />Lab Filtration & SM 3030 B 10/26/06 10:03 mis <br />Acidification <br />Nitrate as N, dissolved Calculation: N03NO2 minus N02 U mg/L 0.02 0.1 11123/06 10:33 calc <br />Nitrate/Nitrite as N, M353.2 - Automated Cadmium 0.03 B mg/L 0.02 0.1 10/24/062 0:20 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 - Automated Cadmium 0.06 mg/L 0.01 0.05 10/24/06 20:20 pjb <br /> Reduction <br />Residue, Filterable M160:1 - Gravimetric 1170 mg/L 10 20 10/31/06 10:13 Icp <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 40.70 0.03 0.15 11/23/06 10:33 calc <br />Ratio in Water <br />i <br />Sulfate SM4500 S04-D 20 B mg/L 10 50 11/10/06 11:45 " Icp <br />TDS (calculated) Calculation 1100 mg/L 10 50 11/23/06 10:33 calc <br />TDS (ratio - Calculation 1.06 11/23/06 10:33 calc <br />measured/calculated) <br />REPIN.02.06.05.01 * Please refer to Qualifier Reports for detail: <br />L59598: Page 6 of 17