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J%jiC. Laboratories, Inc. <br />2773 Downhill Drive Steamboat Sorinos. CO 80487 /8001 334-5493 <br />Kerr Coal Company <br />Project ID: <br />Sample ID: AP-1-1,20 <br />ACZ Sample ID: L69087-06 <br />Date Sampled: <br />AN- <br />Date Received: 05108108 <br />Sample Matrix: Ground Water <br />Field Data <br />Method <br />Result • Rt R Date Analyst: <br />Parameter EPA <br />? units Conductivity (Field) Field Measurement 600 ms/cm 05/07/08 8:30 jm <br />pH (Field) Field Measurement 8.1 units 05/07108 8:30 jm <br />Temperature (Field) Field Measurement 10.0 C 05/07/08 8:30 jm <br />Metals Analysis <br />;parauTel?: ?:,^IP;eiT•T :rs?lii, +IrF1l:(+ +Lli ?i'iPl? ?l+7 ?+FtP -. A n 1PFi <br />Calcium, dissolved M200.7 ICP 40.1 mg/L 0.2 1 05/12/08 20:03 erf <br />Iron, dissolved M200.7 ICP 0.14 mg/L 0.02 0.05 05/12/08 20:03 erf <br />Magnesium, dissolved M200.7 ICP 31.5 mg/L 0.2 1 05/12/08 20:03 erf <br />Manganese, dissolved M200.7 ICP 0.420 mg/L 0.005 0.03 05112/08 20:03 erf <br />Potassium, dissolved M200.7 ICP 0.7 B mg/L 0.3 2 05/12/08 20:03 erf <br />Sodium, dissolved M200.7 ICP 16.8 mg/L 0.3 2 05/12108 20:03 erf <br />Wet Chemistry <br />Pararnitair : EPA Method,,, <br />+ <br />. <br />. <br />+ <br />Date <br />Analyst <br />Alkalinity as CaC03 SM23208 - Titration <br />Bicarbonate as 266 mg/L 2 20 05/09108 0:00 ear <br />CaCC3 <br />Carbonate as CaC03 U mg/L 2 20 05/09108 0:00 ear <br />Hydroxide as CaC03 U mg/L 2 20 05109108 0:00 ear <br />Total Alkalinity 266 mg/L - 2 20 05/09/08 0:00 ear <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -6.2 % 05/20/08 13:01 calc <br />Sum of Anions 6.0 meq/L 0.1 0.5 05120/08 13:01 Cale <br />Sum of Cations 5.3 meq/L 0.1 0.5 05/20/08 13:01 Cale <br />Chloride 325.2 / SM45000I-E 4 B mg/L 1 5 05/16/08 18:51 pjb <br />Hardness as CaC03 SM2340B - Calculation 230 mg/L 1 7 05/20108 13:01 Cale <br />Lab Filtration SM 3030 B • 05/09/08 8:20 wpl <br />Lab Filtration 8 SM 3030 B 05109/08 8:51 WPI <br />Acidification <br />Nitrate as N, dissolved Calculation: N03NO2 minus N02 0.04 B mg/L 0.02 0.1 05120/08 13:01 talc <br />Nitrate/Nitrite as N, M353.2 - Automated Cadmium 0.04 B mg/L 0.02 0.1 05/08/08 18:18 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 - Automated Cadmium U mg/L 0.01 0.05 05/08108 18:18 pjb <br /> Reduction <br />Residue, Filterable 160.1 / SM2540C 290 mg/L 10 20 05/12/08 10:21 gkj <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 0.48 0.03 0.15 05/20108 13:01 talc <br />Ratio in Water <br />Sulfate SM4500 S04-D 30 B ' mg/L 10 50 05/16108 11:43 jif <br />TDS (calculated) Calculation 283 mg/L 10 50 05/20/08 13:01 Cale <br />TDS (ratio - Calculation 1.02 05120108 13:01 talc <br />measured/calculated) <br /> <br />REPIN.02.06.05.01 ' Please refer to Qualifier Reports for details. <br /> Pag e 7 of 16