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Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 <br />Kerr Coal Company ACZ Sample ID: L53815-04 <br />Project ID: Date Sampled: 10/18/05 12:50 <br />Sample ID: 79-61 Date Received: 10/19/05 <br /> Sample Matrix: Ground Water <br />Field Data <br />• - Ee _~ . . . i. . . 1.~ttiia~ . x.,,a'~' Pg2 a :m. ~ P <br />_ ! . - <br />Conductivity (Field) Field Measurement 500 <br />umhoslcm 10/18/05 12:50 jm <br />pH (Field) Field Measurement 8.2 units 10!18/05 12:50 jm <br />Temperature (Field) Field Measurement 12.0 C 10/18/05 12:50 jm <br />Melals Analysis <br /> <br />* _ <br />~~~ ~ r z.=3v ' s . <br />Calcium, dissolved M200.7 ICP ~ 49.0 mg/L 0.2 1 10/22/05 20:31 mea <br />Iron, dissolved M200.7 ICP 0.04 B mg/L 0.02 0.05 10/22/05 20:31 mea <br />Magnesium, dissolved M200.7 ICP 13.0 mg/L 0.2 1 10/22/05 20:31 mea <br />Manganese, dissolved M200.7 ICP 0.041 mg/L 0.005 0.03 10/22/05 20:31 mea <br />Potassium, dissolved M200.7 ICP 2.9 mg/L 0.3 7 1012205 20:31 mea <br />Sodium, dissolved M200.7 ICP 201 mg/L 0.3 1 10122/05 20:31 mea <br />Wet Chemistry <br />' .. .a s' s ..u ..::. :........ .. <br />Alkalinity as CaC03 SM2320B -Titration <br />Bicarbonate as 530 mg/L 2 20 10128/OS 0:00 jtl <br />CaC03 <br />Carbonate as CaC03 10 B mg/L 2 20 70/28/05 0:00 jtl <br />Hydroxide as CaC03 U mg/L 2 20 10/28/05 0:00 jtl <br />Total Alkalinity 540 mg/L 2 20 10/28/05 0:00 jtl <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -1.2 % 11170/05 0:00 talc <br />Sum of Anions 12.7 meq/L 0.1 0.5 11/10/05 0:00 talc <br />Sum of Cations 12.4 meq/L 0.1 0.5 11/10/05 0:00 talc <br />Chloride M325.2 - Colorimetric 9 mglL 1 5 11/07/05 12:28 ccp <br />Hardness as CaC03 SM23408 -Calculation 17fi mg/L 1 7 11/10/05 0:00 talc <br />Lab Filtration SM 3030 B 10/28/05 5:07 tam <br />Lab Filtration 8 SM 3030 8 ' 10120105 17:54 djt <br />Acidifcation <br />Nitrate as N, dissolved Calculation: N03N02 minus N02 U mg/L 0.02 0.1 11/10/05 0:00 talc <br />Nitrate/Nitrite as N, M353.2 -Automated Cadmium UH mg/L 0.02 0.1 10/20/05 79:27 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 -Automated Cadmium UH mg/L 0.01 0.05 10/20/05 19:27 pjb <br /> Reduction <br />Residue, Filterable M160.1 -Gravimetric 690 mg/L 10 20 10/24/0514:26 jll <br />(TDS) @180C <br />Sodium Absorption <br />Ratio in Water <br />Sulfate <br />TDS (calculated) <br />TDS (ratio - <br />measuredlcalculated) <br />USGS - 11738-78 <br />M375.3 -Gravimetric <br />Calculation <br />Calculation <br />6.67 0.03 0.15 17/10/05 0:00 talc <br />80 mg/L 10 50 11/0210518:09 jlf <br />683 mg/L 10 50 11/10/050:00 talc <br />1.01 11!10/05 0:00 talc <br />REPIN.02.06.05.01 <br />Please refer to Extended Qualifier Report for detail. <br />L53815: Pages of17 <br />