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A Vir? Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 -V <br />Kerr Coal Company ACZ Sample ID: L59598-06 <br />Project ID: Date Sampled: 10124106 10:20 <br />Sample ID: 79-1 Date Received: 10124106 <br /> Sample Matrix: Ground Water <br /> <br />Field Data I <br /> , <br />.Conductivity (Field) Field Measurement 1729 ms/cm 10/24/06 10:20 jm <br />pH (Field) Field Measurement 8.3 units 10/24/06 10:20 . jm <br />Temperature (Field) Field Measurement 7.3 C 10/24/06 10:20 jm <br />Metals Analysis <br />Calcium, dissolved M200.7.ICP <br />Iron, dissolved M200.7 ICP <br />Magnesium, dissolved M200.7 ICP <br />Manganese, dissolved M200.7 ICP <br />Potassium, dissolved M200.7 ICP <br />Sodium, dissolved M200.7 ICP <br />Wet Chemistry <br />Alkalinity as CaC03 SM2320B - Titration <br />Bicarbonate as <br />CaC03 <br />Carbonate as CaC03 <br />Hydroxide as CaC03 <br />Total Alkalinity <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance <br />Sum of Anions <br />Sum of Cations <br />Chloride M325.2 - Colorimetric <br />Hardness as CaC03 SM2340B - Calculation <br />Lab Filtration SM 3030 B <br />Lab Filtration & SM 3030 B <br />Acidification <br />Nitrate as N, dissolved Calculation: N03NO2 minus N02 <br />Nitrate/Nitrite as N, M353.2 - Automated Cadmium <br />dissolved . Reduction- <br />Nitrite as N, dissolved M353.2 - Automated Cadmium <br /> Reduction <br />Residue, Filterable M160.1 - Gravimetric <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 <br />Ratio in Water <br />Sulfate SM4500 S04-D <br />TDS (calculated) Calculation <br />TDS (ratio - Calculation <br />&4' $ a ?13I4T ? DF•e " <br />14.5 mg/L 0.2 1 11/02/0618:20 gme <br />0.12 mg/L 0.02 0.05 11/02/0618:20 Igme <br />1.6 mg/L 0.2 1 11/02/0618:20 Igme <br />0.051 mg/L 0.005 0.03 11/02/0618:20 igme <br />2.0 mg/L 0.3 1 11/02/0618:20 jgme <br />408 mg/L 0.3 1 11/02/0618:20 Igme <br />646 mg/L 2 20 11/06/06 0:00 1 ct <br />12 B mg/L 2 20 11/06/06 0:00 ct <br /> U mg/L 2 20 11/06/06 0:00 ct <br />658 mg/L 2 20 11106/06 0:00 ct <br />i <br />-3.3 % 11/23/06 10:33 calc <br />20.2 meq/L 0.1 0.5 11/23/0610:33 calc <br />18.9 meq/L 0.1 0.5 11/23/0610:33 calc <br />252 mg/L 5 30 11/02/06 20:31 pjb <br />43 mg/L 1 7 11/23/06 10:33 1 calc <br /> * 10/25/06 11:44 Izg/mis <br /> * 10/26/0610:07 mis <br />0.03 B mg/L 0.02 0.1 11/23/0610:33 calc <br />0.03 B * - mg/L 0.02 0.1 10/24/06 20:25 pjb <br /> U * mg/L 0.01 0.05 10/24/06 20:25 pjb <br />1170 mg/L 10 20 10131/0610:15 Icp <br />27.40 0.03 0.15 11/23/0610:33 calc ,. <br /> U mg/L 10 50 11/10/0611:48 Icp <br />1080 mg/L 10 50 11/23/0610:33 calc <br />1.08 11/23/0610:33 calc <br />measured/calculated) <br />REPIN.02.06.05.01 <br />* Please refer to Qualifier Reports for detail. <br />L59598: Page 7 of 17