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Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 <br />Kerr Coal Company ACZ Sample ID: L53815-08 <br />Project ID: Date Sampled: 10/18/05 14:50 <br />Sample ID: 79-2 Date Received: 10!19105 <br /> Sample Matrix: Ground Water <br />Field Data <br />Conductivity (Field) Field Measurement 1400 umhos/cm 10/18/05 2:50 jm <br />pH (Field) Field Measurement 8.5 units 10/18/05 2:50 jm <br />Temperature (Field) Field Measurement 13.0 C 10118/OS 2:50 jm <br />Metals Analysis <br />._~:. ^e. ,G v= ~ mxSS ' ti-ua_ p_ $,PPTeo i~ _ -A~ 0 <br />Calcium, dissolved M200.7 ICP 11.6 mg/L 0.2 1 10/22/05 21:04 mea <br />Iron, dissolved M200.71CP 0.03 B mglL 0.02 0.05 10/2210521:04 mea <br />Magnesium, dissolved M200.7 ICP 1.9 mg/L 0.2 1 10/22/05 21:04 mea <br />Manganese, dissolved M200.7 ICP 0.017 B mg/L 0.005 0.03 10/22/05 21:04 mea <br />Potassium, dissolved M200.7 ICP 2.8 mg/L 0.3 1 10/22/05 21:04 mea <br />Sodium, dissolved M200.71CP 615 mg/L 2 10 10/22/05 21:04 mea <br />Wet Chemistry <br /> <br />Alkalinity as CaCO3 SM2320B -Titration <br />Bicarbonate as 408 mg/L 2 20 10128/05 0:00 jU <br />CaCO3 <br />Carhnnafa as CaCO3 19 8 mglL 2 20 1nn6/ns n:nn jtl <br />Hydroxide as CaCO3 U mg/L 2 20 10/28/05 0:00 jU <br />Total Alkalinity 427 mg/L 2 20 10128/05 0:00 jtl <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -4.3 % 11/10/05 0:00 talc <br />Sum of Anions 30.4 meq/L 0.1 0.5 11/10/05 0:00 talc <br />Sum of Cations 27.9 meq/L 0.1 0.5 11/10/05 0:00 talc <br />Chloride M325.2-Colorimetric 780 mglL 10 50 11107/0513:36 ccF <br />Hardness as CaCO3 SM2340B-Calculation 37 mg/L 1 7 11170/050:00 talc <br />Lab Filtration SM 3030 B ' 10/28105 9:59 tam <br />Lab Filtration 8 SM 3030 B 10/20/05 12:00 djt <br />Acidification <br />Nitrate as N, dissolved Calculation: NO3NO2 minus NO2 U mg/L 0.02 0.1 11110/05 0:00 talc <br />Nitrate/Nitrite as N, M353.2 -Automated Cadmium UH mg/L 0.02 0.1 70/20/05 79:36 pjh <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 -Automated Cadmium UH ' mg/L 0.01 0.05 10/20105 19:36 pjh <br /> Reduction <br />Residue, Filterable M160.1 -Gravimetric 1680 mg/L 10 20 10/24/05 14:39 jtl <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 44.60 0.03 0.15 1111 0105 0:00 talc <br />Ra[io in Water <br />Sulfate M375.3-Gravimetric U mglL 10 50 11/02/0518:13 jlf <br />TDS (calculated) Calculation 1680 mglL 10 50 11110/05 0:00 talc <br />TDS (ratio- Calculation 1.00 11/101050:00 talc <br />measuredlcalculated) <br />REPIN.02.06.05.01 'Please refer to Extended Qualifier Repoli for detail <br />L53815: Page 9 of 17 <br />