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ACZ Laboratories, Inc. <br />2773 Downhill Drive Steamboat Sortnas. CO 804871800) 334-5493 <br />ACZ Sample ID: L43419-03 <br />Date Sampled: 10/16/03 10.00 <br />Date Received: 10/17/03 <br />Sample Matrix: Ground Water <br />Kerr Coal Company <br />Project ID: <br />Sample ID: AO-2A <br />Field Data <br /> ~ . . •~ .. <br />Conductivity (Field) Field Measurement 200 umhos/cm 10116/03 10:00 jcm <br />pH (Field) Field Measurement 7.8 units 10/18/03 10:00 jcm <br />Temperature (Field) Field Measurement 9.0 C 10/16/03 10:00 jcm <br /> <br />• ~ ~ r -. r. <br />Calcium, dissolved M200.7 ICP 90.2 mg/L 0.2 7 11106103 21:31 ct <br />Iron, dissolved M200.7 ICP 0.46 mglL 0.01 0.05 10/30/03 19:06 scp <br />Magnesium, dissolved M200.7 ICP 43.1 mg/L 0.2 1 11/08/03 21:31 ct <br />Manganese, dissolved M200.7 ICP 0.522 mg/L 0.005 0.03 10/30!03 19:06 scp <br />Potassium, dissolved M200.7 ICP 3.1 mglL 0.3 1 11/05103 20:31 wrg <br />Sodium, dissolved M200.71CP 101 mg/L 0.3 1 11/0810321:31 ct <br />Metals Analysis <br />. Wet Chemistry <br /> <br /> Alkalinity as CaC03 SM2320B -Titration <br /> Bicarbonate as 270 mglL 2 10 10/29/03 0:00 mah <br /> CaC03 <br /> Carbonate as CaC03 U mg/L 2 70 10/29/03 0:00 mah <br /> Hydroxide as CaC03 U mg/L 2 10 10/29103 0:00 mah <br />' Total Alkalinity 270 mg/L 2 10 10/29103 0:00 mah <br /> Cation-Anion Balance Calalation <br /> Cation-Anion Balance 3.3 % 11!10/030:00 talc <br />' Sum of Anions 11.8 meq/L 0.1 0.5 11170/03 0:00 talc <br /> Sum of Cations 12.6 meq/L 0.1 0.5 11/10/03 0:00 talc <br /> Chlodde M325.2 - Colorimetric 12 mg/L 1 5 10/26/03 9:43 kb <br /> Hardness as CaC03 SM2340B -Calculation 403 mg/L 1 7 11/10/03 0:00 talc <br />' Lab Filtration SM 3030 B 10/17103 16:50 kmc <br /> Lab FAtration 8 SM 3030 B 10/21/03 14:46 scp <br /> Acidification <br />' Nitrate as N, dissolved Calculation: N03N02 minus N02 0.08 B mglL 0.02 0.1 11/10/03 0:00 talc <br /> Nitrate/Nitrite as N, M353.2 -Automated Cadmium 0.08 B mg/L 0.02 0.1 10/17/03 20:55 kmc <br /> dissolved Reduction <br /> Nitrite as N, dissolved M353.2 -Automated Cadmium U mg/L 0,01 0.05 10/17/03 19:33 kmc <br />' Reduction <br /> Residue, Filterable M760.1-Gravimetdc 710 mg/L 70 20 10/23/0321:17 mah <br /> (TDS) @180C <br /> Sodium Absorption USGS - 11738-78 2.22 0.03 0.15 11/10/03 0:00 talc <br />' Ratio in Water <br /> Sulfate M375.3 - Gravimetric 290 mg/L 10 50 10/29/03 15:32 bnh <br /> TDS (calculated) Calculation 703 mg/L 10 50 11/10/030:00 talc <br />' TDS (ratio - Calculation 1.01 11/10!03 0:00 talc <br /> measured/calculated) <br />REPIN.O1.11.00.01 • Please refer to Extended Qualifier Report /or tletail. <br />L43419: Page 4 of 1 I <br />