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ADZI-aboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 <br /> <br />Kerr Coal Company <br />Project ID: <br />Sample ID: 79-61 <br /> <br />i <br />ACZ Sample ID: L62082-02 <br />Date Sampled: 04118107 09:30 <br />bate Received: 04118107 <br />Sample Matrix: Ground Water <br />Metals Analysis <br /> <br /> <br />Calcium, dissolved M200.7 ICP 74.5 mg/L 0.2 1 04/24/07 20:56 djt <br />Iron, dissolved M200.7 ICP 0.03 B mg/L 0.02 0.05 04/25/07 17:47 djt <br />Magnesium, dissolved M200.7 ICP 20.0 mg/L 0.2 1 04/24/07 20:56 djt <br />Manganese, dissolved M200.7 ICP 0.019 B mg/L 0.005 0.03 04/24107 20:56 djt <br />Potassium, dissolved M200.7 ICP 2.8 mg/L 0.3 2 04/24107 20:56 djt <br />Sodium, dissolved M200.7 ICP 104 mg/L 0.3 2 04/24/07 20:56 djt <br />Wet Chemistry <br />.?, •.F i1'_... ?• _ <br />. <br />s- <br />M: .?. <br />. <br />. - :',. r. y'?W '. ,dam _e. '. g P ??®, e> A <br />Alkalinity as CaC03 . <br />. <br />.. <br />. <br />_ <br />._ <br />SM2320B - Titration ?. _.. <br />Bicarbonate as 392 mg/L 2 20 04/24107 0:00 cas <br />CaC03 <br />Carbonate as CaC03 U mg/L 2 20 04/24/07 0:00 cas <br />Hydroxide as CaC03 U mg/L 2 20 04/24/07 0:00 cas <br />Total Alkalinity 392 mg/L 2 20 04/24/07 0:00 cas <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -6.1 % 04/27/07 0:00 talc <br />Sum of Anions 11.3 meq/L 0.1 0.5 04/27/07 0:00 calc <br />Sum of Cations 10.0 meq/L 0.1 0.5 04/27/07 0:00 calc <br />Chloride M325.2 - Colorimetric 57 mg/L 1 5 04/24/07 13:41 jag <br />Hardness as CaC03 SM2340B - Calculation 268 mg/L 1 7 04/27/07 0:00 calc <br />Lab Filtration SM 3030 B 04/19/07 10:32 mis <br />Lab Filtration & SM 3030 B 04/19/07 11:51 mis <br />Acidification <br />Nitrate as N, dissolved Calculation: N03NO2 minus N02 U mg/L 0.02 0.1 04/27/07 0:00 calc <br />Nitrate/Nitrite as N, M353.2 - Automated Cadmium U * mg/L 0.02 0.1 04/18/07 21:51 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 - Automated Cadmium U mg/L 0.01 0.05 04/18/07 21:51 pjb <br /> Reduction <br />Residue, Filterable M160.1 - Gravimetric 600 mg/L 10 20 04/19/07 14:28 Icp <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 2.79 0.03 0.15 04/27/07 0:00 calc <br />Ratio in Water - <br />I <br />Sulfate SM4500 S04-D 90 mg/L 10 50 04/23/07 9:17 aeh/wpa <br />TDS (calculated) Calculation 584 mg/L 10 50 04/27/07 0:00 calc <br />TDS (ratio - Calculation 1.03 04/27/07 0:00 talc <br />measured/calculated) <br />REPIN.02.06.05.01 ` Please refer to Qualifier Reports for detail, <br />L62082: Page 4 of 17 <br />I <br />i