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Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 <br />Kerr Coal Company ACZ Sample ID: L5381S03 <br />Project ID: Date Sampled: 10/18/05 12:20 <br />Sample ID: AO-2A Date Received: 10/19/05 <br />Sample Matrix: Ground Water <br />Field Data <br /> w~ <br />Conductivity (Field) Field Measurement 400 umhos/cm 10/18/05 12:20 jm <br />pH (Field) Field Measurement 7.7 units ~ 10!18/OS 12:20 jm <br />Temperature (Field) Field Measurement 13.0 C 10118/OS 12:20 jm <br />Metals Analysis <br />ffi~e ~ <br />Calcium, dissolved <br />M200.71CP 67.5 mg/L 0.2 1 10/22/05 20:27 mea <br />Iron, dissolved M200.71CP 0.64 mg/L 0.02 0.05 10/22/05 20:27 mea <br />Magnesium, dissolved M200.71CP 31.6 mg/L 0.2 1 10/22/05 20:27 mea <br />Manganese, dissolved M200.71CP 0.567 mg/L 0.005 0.03 10/22/05 20:27 mea <br />Potassium, dissolved M200.7 ICP 2.9 mg/L 0.3 1 10/22/05 20:27 mea <br />Sodium, dissolved M200.7 ICP 93.1 mg/L 0.3 1 10/22/05 20:27 mea <br />Wet Chemistry <br />' ..:... "F....:....,. ' , ..; . ...r"'u-1~Y e~aq ..__#nw-fi <br />;,__. b '3~Y'n ~ , p .:. '?' i _ __ .. B <br />, ' P i . ~ ~ :. <br />Alkalinity as CaC03 SM2320B -Titration <br />Bicarbonate as 313 mg/L 2 20 10/28/05 0:00 jtl <br />CaC03 <br />Carbonate ac CoC03 U mg/L 2 20 10!28/05 0:00 10 <br />Hydroxide as CaC03 U mg/L 2 20 10/28/05 0:00 jtl <br />Total Alkalinity 313 mg/L 2 20 10128/05 0:00 jtl <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 4.1 % 11/70/050:00 talc <br />Sum of Anions 9.4 meq/L 0.1 0.5 11/10/05 0:00 cad <br />Sum of Cations 10.2 meglL 0.1 0.5 11/10/05 0:00 talc <br />Chloride M325.2-Colorimetric B mg/L 1 5 11/07/0512:27 cep <br />Hardness as CaG03 SM2340B-Calculation 299 mg/L 1 7 11/70/050:00 talc <br />Lab Filtration SM 3030 B 10/28/05 3:53 tam <br />Lab Filtration & G SM 3030 8 10/20/05 11:52 djt <br />Acidification <br />Nitrate as N, dissolved Calculation: N03N02 minus N02 0.03 B mg/L 0.02 0.1 11/10/05 0:00 talc <br />Nitrate/Nitrite as N, M353.2-Automated Cadmium 0.03 BH mg/L 0.02 0.1 10/20/0519:25 pjb <br />dissolved Reduction <br />Nitrite as N, dissolvetl M353.2 -Automated Cadmium U mg/L 0.01 0.05 10119/05 18:38 pjb <br /> Reduction <br />Residue, Filterable M160.1 -Gravimetric 570 mg/L 10 20 10124/0514:23 jtl <br />(TDS) @180C <br />Sodium Absorption USGS-11738-78 2.37 0.03 0.15 11/10/050:00 talc <br />Ratio in Waler <br />Sulfate _ M375.3 -Gravimetric 140 mg(L 10 50 11102105 18:08 jlf <br />TDS (calculated) Calculation 532 mg/L 10 50 11/10105 0:00 talc <br />TDS (ratio - Calculation 1.07 11/10105 0:00 talc <br />measured/calculated) <br />REPIN.02.06.05.01 'Please refer to Extended Qualifier Report for detail. <br />L53815: Page 4 of 17 <br />