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<br />J <br />ACZ Laboratories, Inc. <br />2773 Downhill Drive Steamboat Sorinas. CO 80487!8001 334-5493 <br />' Kerr Coal Company ACZ Sample ID: L41337-01 <br />Project ID: Date Sampled: 05/21/03 12:45 <br />Sample ID: AP-1 Date Received: 05/22/03 <br />' Sample Matrix: Ground Water <br /> Field Data <br /> r.~l~ <br /> Conductivity (Field) Field Measurement 300 umhos/cm 05/21/03 12:45 jen <br /> pH (Field) Field Measurement 7.9 units 05/21/03 12:45 jen <br /> Temperature (Field) Field Measurement 10.0 C 05/21/03 12:45 jen <br /> Metals Analysis <br /> <br /> Calcium, dissolved M200.71CP 41.8 mg/L 0.2 1 05/23/03 0:47 scp <br /> Iron, dissolved M200.7 ICP 0.31 mg/L 0.01 0.05 05/23/03 20:17 bf <br /> Magnesium, dissolved M200.7 ICP 32.5 mg/L 0.2 1 05/23/03 20:17 bf <br />' Manganese, dissolved M200.71CP 0.495 mg/L 0.005 0.03 05/23/03 0:47 scp <br /> Potassium, dissolved M200.7 ICP 0.8 B mg/L 0.3 1 05/23/03 20:17 bf <br /> Sodium, dissolved M200.7 ICP 18.9 mg/L 0.3 1 05/23/03 20:17 bf <br />' Wet Chemistry <br /> • . •• .. <br /> Alkalinity as CaC03 SM23206 -Titration <br /> Bicarbonate as 232 mg/L 2 10 05!23/03 0:00 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 05/23/03 0:00 Izg <br />' Total Alkalinity 232 mg/L 2 10 05/23/03 0:00 Izg <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -2.6 % 06/03/030:00 talc <br />' Sum of Mions 5.9 meq/L 0.1 0.5 06/03/03 0:00 talc <br /> Sum of Cations 5.6 meq/L 0.1 0.5 06!03/03 0:00 talc <br /> Chloride M325.2-Colorimetric 3 B mg/L 1 5 06/02/0315:31 ksj <br /> Hardness as CaC03 SM2340B -Calculation 238 mglL 1 7 06/03!03 0:00 talc <br />' Lab Filtration SM 3030 B 05/22/03 15:55 kb <br /> lab Filtration & SM 3030 B 05/23/03 9:52 leb <br /> Acidification <br />' Nitrate as N, dissolved Calculation: N03N02 minus N02 U mg/L 0.02 0.1 06/03/03 0:00 talc <br /> Nitrate/Nitrite as N, M353.2 -Automated Cadmium U mg/L 0.02 0.1 05/22/03 18:23 kb <br /> dissolved Reduction <br /> Nitrite as N, dissolved M353.2 -Automated Cadmium U mg/L 0.01 0.05 05/22/03 18:23 kb <br />' Reduction <br /> Residue, Filterable M160.1 -Gravimetric 290 mg/L 10 20 05/27/03 11:51 leb <br /> (TDS) @180C <br /> Sodium Absorption USGS - 11738-78 0.53 0.03 0.15 06!03/03 0:00 talc <br />' Ratio in Water <br /> Sulfate M375.3 -Gravimetric 60 mg/L 10 20 05/30/03 8:34 leb <br /> TDS (calculated) Calculation 297 mg/L 10 50 06/03/03 0:00 talc <br />' TDS (ratio - Calculation 0.98 06/03!03 0:00 talc <br /> measured/calculated) <br /> REPIN.01.11.00.01 <br />' L41337: Pale 2 of 9 <br />