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i~ <br />I1 <br />ACiZ Laboratories, Inc. <br />2773 Downhill Drive Steamboat Sonnas. CO 80487!800) 334-5493 <br />' Kerr Coal Company ACZ Sample ID: L41337-02 <br /> Project ID: Date Sampled: 05/21/03 13:05 <br /> Sample ID: AP-2 Date Received: <br />Sample Matrix: 05/22103 <br />Ground Water <br /> <br />' Field Data <br /> • - r •• ~. <br /> Conductivity (Field) Field Measurement 600 umhos/cm 05/21103 13:05 jen <br /> pH (Field) Field Measurement 8.0 units 05121103 13:05 jen <br />' Temperature (Field) Field Measurement 11.0 C 05121/03 13:05 jen <br />Metals Analysis <br /> r ~ r •• ~. I <br />Calcium, dissolved M200.71CP 93.8 mg/L 0.2 1 05/231030:51 scp <br />Iron, dissolved M200.71CP 0.29 mg/L 0.01 0.05 05123/0320:22 bf <br />Magnesium, dissolved M200.7 ICP 70.3 mg/L 0.2 1 05123/03 20:22 bf <br />Manganese, dissolved M200.7 ICP 1.140 mg/L 0.005 0.03 05/23103 0:51 scp <br />Potassium, dissolved M200.7 ICP 2.0 mg/L 0.3 1 05/23103 20:22 bf <br />Sodium, dissolved M200.71CP 214 mg/L 0.3 1 05/2310320:22 bf <br />Wet Chemistry <br /> • . r • ~ r . ~ I•~ <br />Alkalinity as CaC03 SM23206 -Titration <br />Bicarbonate as 749 mg/L 2 10 05123/030:00 Izg <br />CaC03 <br />Carbonate as CaC03 U mg/L 2 10 05/23/03 0:00 Izg <br />Hydroxide as CaC03 U mg/L 2 10 05!23103 0:00 Izg <br />Total Alkalinity 749 mg/L 2 10 05123/03 0:00 Izg <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -3.1 % 06/03/03 0:00 talc <br />Sum of Anions 21.3 meq/L 0.1 0.5 06/03/03 0:00 talc <br />Sum of Cations 20.0 meq/L 0.1 0.5 06/03/03 0:00 talc <br />Chloride M325.2 - Colodmetric 17 mg/L 1 5 06/02/D3 15:32 ksj <br />Hardness as CaC03 SM2340B -Calculation 523 mg/L 1 7 06/03/03 0:00 talc <br />Lab Filtration SM 3030 B 05/22103 15:59 kb <br />Lab Filtration & SM 3030 B 05/23/03 10:00 leb <br />Acidification <br />Nitrate as N, dissolved Calculation: N03N02 minus N02 0.03 B mg/L 0.02 0.1 06/03/03 0:00 talc <br />Nitrate/Nitrite as N, M353.2 -Automated Cadmium 0.03 B mg/L 0.02 0.7 05122/03 18:30 kb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 -Automated Cadmium U mg/L 0.01 0.05 05/22/03 18:30 kb <br /> Reduction <br />Residue, Filterable M160.1 -Gravimetric 1760 mg/L 10 20 05/27/03 11:54 leb <br /> (TDS) @180C <br /> Sodium Absorption USGS - 11738-78 4.12 <br /> Ratio in Water <br /> Sulfate M375.3-Gravimetric 280 <br /> TDS (calculated) Calculation 1130 <br />' TDS (ratio - Calculation 1.03 <br /> measured/calculated) <br />0.03 0.15 06/03/03 0:00 talc <br />mg/L 10 20 05/30/03 8:36 leb <br />mg/L 10 50 06/03/03 0:00 talc <br />06/03/03 0:00 talc <br />' REPIN.01.11.00.01 <br />L41337: Page 3 0( 9 <br />