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ADZI-aboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 @ <br />Kerr Coal Company ACZ Sample ID: L63744-08 <br />Project ID: Date Sampled: 07/11/07 10:30 <br />Sample ID: SP-01 Date Received: 07111107 <br />Sample Matrix: Ground Water <br />Field Data v` <br /> <br />Conductivity (Field) Field Measurement E U ms/cm 07/11107 10:30 jm <br />pH (Field) Field Measurement 7.8 units 07/11/07 10:30 jm <br />Temperature (Field) Field Measurement 14.0 C 07/11107 10:30 jm <br />Metals Analysis <br />f <br />Calcium, dissolved M200.7 ICP <br />J 7.4 mg/L 0.2 1 07/19/07 22:53 Iwfg <br />Iron, dissolved M200.7 ICP 0.14 mg/L, 0.02 0.05 07/19/07 22:53 wfg <br />Magnesium, dissolved M200.7 ICP 0.9 B mg/L 0.2 1 07/19/07 22:53 Iwfg <br />Manganese, dissolved M200.7 ICP 0.027 B mg/L 0.005 0.03 07119/07 22:53 wfg <br />Potassium, dissolved M200.71CP 2.2 mg/L 0.3 2 07/21/072:00 djt <br />Sodium, dissolved M200.7 ICP 526 mg/L 2 50 07/19/07 22:53 Wfg <br />Wet Chemistry <br />._ <br />_ <br />T <br /> <br />Alkalinity as CaC03 ____ .. <br />SM2320B - Titration <br />Bicarbonate as 1030 mg/L 2 20 07/14/07 0:00 cas <br />CaC03 <br />Carbonate as CaC03 U mg/L 2 20 07/14/07 0:00 cas <br />Hydroxide as CaC03 U mg/L 2 20 07/14107 0:00 cas <br />Total Alkalinity 1030 * mg/L 2 20 07114/07 0:00 cas <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 3.9 % 08/06/07 0:00 icalc <br />Sum of Anions 21.9 meq/L 0.1 0.5 08/06/07 0:00 calc <br />Sum of Cations 23.7 meq/L 0.1 0.5 08/06/07 0:00 Icalc <br />Chloride 325.2 / SM45000I-E 40 mg/L 1 5 07/17/07 9:26 amIVjag <br />Hardness as CaC03 SM2340B - Calculation 22 mg/L 1 7 08/06/07 0:00 Ica lc <br />Lab Filtration SM 3030 B 07/12/07 11:52 bjl <br />Lab Filtration & SM 3030 B * 07/12/07 9:10 bjl <br />Acidification <br />Nitrate as N, dissolved Calculation: N03NO2 minus N02 U mg/L 0.02 0.1 08/06/07 0:00 calc <br />Nitrate/Nitrite as N, M353.2 - Automated Cadmium U * mg/L 0.02 0.1 07/11/07 21:28 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 - Automated Cadmium 0.03 B * mg/L 0.01 0.05 07/11/07 21:28 pjb <br /> Reduction <br />Filterable <br />Residue 160.1 / SM2540C 1220 mg/L 10 20 07/17/07 11:59 aeh <br />, <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 49.10 0.03 0.15 08/06/07 0:00 calc <br />Ratio in Water <br />Sulfate SM4500 S04-D 10 B mg/L 10 50 07/19/07 14:53 kmc <br />TDS (calculated) Calculation 1200 mg/L 10 50 08/06/07 0:00 calc <br />TDS (ratio - Calculation 1.02 08/06/07 0:00 calc <br />measured/calculated) <br />II <br />REPIN.02.06.05.01 * Please refer to Qualifier Reports for detail. <br />I <br />L63744: Page 10 of 118