2012-11-05_REVISION - C1980006 (2)

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ACZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334 -5493 Kerr Coal Company Project ID: Sample ID: Field Data Parameter EPA Method Result Qua! XQ Units MDL PQL Date Analyst Conductivity (Field) pH (Field) Temperature (Field) Metals Analysis Parameter EPA Method Result Qua! XQ Units MDL PQL Date Analyst Calcium, dissolved Iron, dissolved Magnesium, dissolved Manganese, dissolved Potassium, dissolved Sodium, dissolved Wet Chemistry Parameter EPA Method Result Qual XQ ltrdts MDL PQL Date Analyst Alkalinity as CaCO3 Bicarbonate as CaCO3 Carbonate as CaCO3 Hydroxide as CaCO3 Total Alkalinity Cation -Anion Balance Cation -Anion Balance Sum of Anions Sum of Cations Chloride Hardness as CaCO3 Lab Filtration Lab Filtration & Acidification Nitrate as N, dissolved Nitrate /Nitrite as N, dissolved Nitrite as N, dissolved Residue, Filterable (TDS) @180C Sodium Absorption Ratio in Water Sulfate TDS (calculated) TDS (ratio - measured/calculated) REPIN.02.06.05.01 AP -1 Field Measurement Field Measurement Field Measurement M200.7 ICP M200.7 ICP M200.7 ICP M200.7 ICP M200.7 ICP M200.7 ICP SM2320B - Titration Calculation SM4500CI -E SM2340B - Calculation SM 3030 B SM 3030 B Calculation: NO3NO2 minus NO2 M353.2 - Automated Cadmium Reduction M353.2 - Automated Cadmium Reduction SM2540C USGS - 11738 -78 SM4500 SO4-D Calculation Calculation Inorganic Analytica Results ACZ Sample ID: L70560 -01 Date Received: 071 18108 Sample Matrix: Ground Water 450 mS /cm 07/17/08 10:00 jc 8.1 units 07/17/08 10:00 jc 15.0 * C 07/17/0810:00 jc 32.5 mg /L 0.2 1 07/26/08 16:29 aeh 0.05 mg /L 0.02 0.05 07/26/08 16:29 aeh 24.1 mg/L 0.2 1 07/26/08 16:29 aeh 0.312 mg /L 0.005 0.03 07/29/08 12:24 aeh 0.8 B mg/L 0.3 2 07/29/08 12:24 aeh 15.8 mg /L 0.3 2 07/26/08 16:29 aeh 198 mg /L 2 20 07/21/08 0:00 tbd 12 B mg/L 2 20 07/21/08 0:00 tbd U mg /L 2 20 07/21/08 0:00 tbd 210 mg /L 2 20 07/21/08 0:00 tbd -4.4 % 07/30/08 0:00 calc 4.7 meq/L 0.1 0.5 07/30/08 0:00 calc 4.3 meq /L 0.1 0.5 07/30/08 0:00 calc 3 B * mg /L 1 5 07/21/08 16:03 Ibn 180 mg /L 1 7 07/30/08 0:00 calc * 07/18/0812:30 gkj 07/18/08 15:42 tbd 0.05 B mg /L 0.02 0.1 07/30/08 0:00 calc 0.05 B * mg /L 0.02 0.1 07/18/08 19:11 pjb U mg /L 0.01 0.05 07/18/08 19:11 pjb 240 mg /L 10 20 07/22/08 14:12 tbd 0.51 0.03 0.15 07/30/08 0:00 calc 20 B mg /L 10 50 07/21/08 10:22 gkj 228 mg /L 10 50 07/30/08 0:00 calc 1.05 07/30/08 0:00 calc • Please refer to Qualifier Reports for details. Page 3 of 11