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/` 1widm' Laboratories, Inc. <br />2773 Downhill Drive Steamboat Snrinos. CO 80487 (800) 334-5493 <br />Kerr Coal Company ACZ Sample ID: L70560-02 <br />Project ID: Date Sampled: 07/17/08 10.20 <br />Sample ID: AP-2 Date Received: 07118108 <br />Sample Matrix: Ground Water <br />Field Data <br />Parameter EPA Method Result , Quall XO . Units . MDL 0, OL Date Anallyst? <br />Conductivity (Field) Field Measurement 600 ms/cm 07/17/08 10:20 jc <br />pH (Field) Field Measurement 8.0 units 07/17/08 10:20 jc <br />Temperature (Field) Field Measurement 14.0 ' C 07/17/08 10:20 jc <br />Metals Analysis <br />1'frr•TiiTa - ?1_li;ra+.T•T. a??rii ??(Ttil:I???fii?. ?i'i1?1?e a?1 ??F.i?_ riYl?i <br />Calcium, dissolved M200.7 ICP 46.8 mg/L 0.2 1 07126/08 16:32 aeh <br />Iron, dissolved M200.7 ICP 0.09 mg/L 0.02 0.05 07/26/08 16:32 aeh <br />Magnesium, dissolved M200.7 ICP 31.3 mg/L 0.2 1 07/26/08 16:32 aeh <br />Manganese, dissolved M200.7 ICP 0.505 mg/L 0.005 0.03 07/29108 12:33 aeh <br />Potassium, dissolved M200.7 ICP 1.6 B mg/L 0.3 2 07/29/08 12:33 aeh <br />Sodium, dissolved M200.7 ICP 25.6 mg/L 0.3 2 07/26108 16:32 aeh <br />Wet Chemistry <br /> Resuft • Data <br />Anatystl <br />Alkalinity as CaC03 SM2320B - Titration <br />Bicarbonate as 279 mg/L 2 20 07/21/08 0:00 tbd <br />CaC03 <br />Carbonate as CaC03 22 mg/L 2 20 07/21/08 0:00 tbd <br />Hydroxide as CaC03 U mg/L 2 20 07/21/08 0:00 tbd <br />Total Alkalinity 300 mg/L 2 20 07121/08 0:00 tbd <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -5.4 % 07/30/08 0:00 calc <br />Sum of Anions 6.8 meq/L 0.1 0.5 07/30/08 0:00 calc <br />Sum of Cations 6.1 meq/L 0.1 0.5 07130/08 0:00 calc <br />Chloride SM45000I-E 7 mg/L 1 5 07/21/0816:03 Ibn <br />Hardness as CaCO3 SM23406 - Calculation 246 mg/L 1 7 07/30108 0:00 calc <br />Lab Filtration SM 3030 B 07/18108 12:34 gkj <br />Lab Filtration 8 SM 3030 B 07/18/08 15:47 tbd <br />Acidification <br />Nitrate as N, dissolved Calculation: N03NO2 minus N02 0.04 B mg/L 0.02 0.1 07/30/08 0:00 calc <br />Nitrate/Nitrite as N, M353.2 - Automated Cadmium 0.04 B mg/L 0.02 0.1 07/18/08 19:14 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 - Automated Cadmium U mg/L 0.01 0.05 07/18/08 19:14 pjb <br /> Reduction <br />Residue, Filterable SM2540C 350 mg/L 10 20 07/22/08 14:14 tbd <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 0.71 0.03 0.15 07/30/08 0:00 calc <br />Ratio in Water <br />Sulfate SM4500 S04-D 30 B mg/L 10 50 07/21/08 10:26 gkj <br />TDS (calculated) Calculation 332 mg/L 10 50 07130/08 0:00 calc <br />TDS (ratio - Calculation 1.05 07/30/08 0:00 talc <br />measured/calculated ) <br />REPIN.02.06.05.01 • Please refer to Qualifier Reports for details. <br />Page 4 of l l