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Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 <br />Kerr Coal Company ACZ Sample ID: L53815-07 <br />Project ID: Date Sampled: 10/18/05 14:10 <br />Sample ID: 79-1 Date Received: 10/19/05 <br /> Sample Matrix: Ground Water <br />Field Data <br /> G <br />Conductivity (Field) Field Measurement 1300 umhos/cm 10/18/052:10 jm <br />pH (Field) Field Measurement 8.2 units 10/18/05 2:10 jm <br />Temperature (Field) Field Measurement 10.0 C 10/18/05 2:10 jm <br />Meals Analysis <br />' ~ 'huiS A SllN4'~3' ' "v - • ..' ~ 4[e@YGo°^°~ C~ ~ - rc+ 3: p . .. ~ ._ r .em u. T ; ~+ :. . ~ P Q . +e <br />Calcium, dissolved M200.71CP 14.1 mg/L 0.2 1 1012210521:00 mea <br />Iron, dissolved M200.71CP 0.07 mg/L 0.02 0.05 101220521:00 mea <br />Magnesium, dissolved M200.7 ICP 1.4 mg/L 0.2 1 10/22105 21:00 mea <br />Manganese, dissolved M200.7 ICP 0.045 mg/L 0.005 0.03 10/22105 21:00 mea <br />Potassium, dissolved M200.7 ICP 1.8 mg/L 0.3 1 10/22105 21:00 mea <br />Sodium, dissolved M200.7 ICP 449 mg/L 0.3 1 10/22105 21:00 mea <br />Wet Chemistry <br /> <br />Alkalinity as CaC03 SM2320B -Titration <br />Bicarbonate as 719 mglL 2 20 10128/05 0:00 jtl <br />CaC03 <br />Carbonate as CaG03 U mg/L 2 20 10/26/0.5 0'00 jfl <br />Hydroxide as CaC03 U mg/L 2 20 10128/05 0:00 jtl <br />Total Alkalinity 719 mg/L 2 20 10/28/05 0:00 j0 <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -2.6 % 11/10105 0:00 talc <br />Sum of Anions 21.7 meq/L 0.1 0.5 11!10/05 0:00 talc <br />Sum of Cations 20.6 meq/L 0.1 0.5 11/10/05 0:00 talc <br />Chloride M325.2-Colorimelric 262 mglL 5 30 11/07/0513:34 ccp <br />Hardness as CaC03 SM2340B-Calculation 41 mg/L 1 7 11/10/050:00 talc <br />Lab Filtration SM 3030 B 10/28/05 8:46 tam <br />Lab Filtration & SM 3030 B • 10/20/05 71:58 djt <br />Acidification <br />Nitrate as N, dissolved Calculation: N03N02 minus N02 U mg/L 0.02 0.1 11/10/05 0:00 talc <br />NitratelNitrite as N, M353.2-Automated Cadmium UH mglL 0.02 0.7 10/20/0519:34 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 -Automated Cadmium UH mg/L 0.01 0.05 10/20/05 19:34 pjb <br /> Reduction <br />Residue, Filterable M160.1 -Gravimetric 1140 mg/L 10 20 10/24/05 14:36 j8 <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 30.90 0.03 0.15 11!10/05 0:00 talc <br />Ratio in Wa[er <br />Sulfate M375.3-Gravimetric U mglL 10 50 11/02/0518:13 jlf <br />TDS (calculated) Calculation 1160 mg/L 10 50 11/10/05 0:00 talc <br />TDS (ratio - Calculation 0.98 11/10/05 0:00 talc <br />measured/calculated) <br />REPIN.02.06.05.01 'Please refer to Extended Qualifier Report for detail <br />L53815: Page 8 of 17 <br />