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Laboratories, Inc. <br />2773 Downhill Dnve Steamboat Springs, CO 80487(800) 334-5493 <br />Kerr Coal Company ACZ Sample ID: L53815-05 <br />Project ID: Date Sampled: 10/18/05 13:15 <br />Sample ID: SP-01 Date Received: 10/19/05 <br /> Sample Matrix: Ground Water <br />Field Data <br />Conductivity (Field) Field Measurement 1200 umhos/cm 10/18/05 1:15 jm <br />pH (Field) Field Measurement 7.9 units 10/18/051:15 jm <br />Temperature (Field) Field Measurement 15.0 C 10/18/051:15 jm <br />Metals Analysis <br /> <br />~ a ~.~ __ <br />b a P s a • a sat r. <br />Calcium, dissolved M200.71CP 8.0 mg/L 0.2 1 10122/0520:35 mea <br />Iron, dissolved M200.71CP 0.27 mg/L 0.02 0.05 10/22/0520:35 mea <br />Magnesium, dissolved M200.71CP 1.0 B mg/L 0.2 1 10/2210520:35 mea <br />Manganese, dissolved M200.71CP 0.026 B mg/L 0.005 0.03 10/2210520:35 mea <br />Potassium, dissolved M200.7 ICP 2.2 mg/L 0.3 ~1 10/2205 20:35 mea <br />Sodium, dissolved M200.71CP 502 mg/L 2 10 10/2210520:35 mea <br />Wet Chemistry <br />~ <br />Alkalinity as CaCO3 SM23208 -Titration <br />Bicarbonate as 1060 mg/L 2 20 10/28!05 0:00 jfl <br />CaCO3 <br />Carbonate as CaCn3 U myL 2 2n 1n/2a/n5 n:nn N <br />Hydroxide as CaCO3 U mg/L 2 20 10/26!05 0:00 10 <br />Total Alkalinity 1060 mg/L 2 20 10/26!05 0:00 jtl <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -0.9 % 11/10/05 0:00 talc <br />Sum of Anions 23.0 meq/L 0.1 0.5 11/10/05 0:00 talc <br />Sum of Cations 22.6 meq/L 0.1 0.5 11/10/05 0:00 talc <br />Chloride M325.2-Colorimetric 50 mg/L 1 5 11/04/059:01 ccp <br />Hardness as CaCO3 SM23406 -Calculation 24 mg/L 1 7 11/10/05 0:00 talc <br />Lab Filtration SM 3030 B 10128/08 6:20 tam <br />Lab Filtration 8 SM 3030 B • 10/20/05 11:55 djt <br />Acidification <br />Nitrate as N, dissolved Calculation: NO3NO2 minus NO2 U mg/L 0.02 0.1 11/10/05 0:00 talc <br />Nitrate/Nitrite as N, M353.2-Automated Cadmium UH mg/L 0.02 0.1 10/20/0519:28 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 -Automated Cadmium 0.01 BH mg/L 0.01 0.05 10/20/05 19:28 pjb <br /> Reduction <br />Residue, Filterable M160.1 -Gravimetric 1260 mg/L 10 20 10/24105 14:28 jtl <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 45.00 0.03 0.15 11/10105 0:00 talc <br />Ratio in Water <br />Sulfate M375.3-Gravimetric 20 B mg/L 10 50 11/0210518:11 j8 <br />TDS (calculated) Calculation 1220 mg/L 10 50 11170/08 0:00 talc <br />TDS (ratio- Calculation 1.03 11/10/050:00 talc <br />measu redlcalcu toted) <br />REPIN.02.06.05.01 • Please refer to Extended Qualifier Report for detail <br />L53815: Page 6 of 17 <br />