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~: <br />Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 <br />Kerr Coal Company ACZ Sample ID: L50701-03 <br />Project ID: Date Sampled: 04/19/05 13:45 <br />Sample ID: 79-3 Date Received; 04/20/05 <br /> Sample Matrix: Ground Water <br />Field Data <br />Conductivity (Field) Field Measurement 100 umhos/cm 04!19/05 13:45 jm <br />pH (Field) Field Measurement 8.0 units 04/19105 13:45 jm <br />Temperature (Field) Field Measurement 7.0 C 04/19105 13:45 jm <br />Metals Analysis <br />. . s • .: tip. _~ ~ e . P <br />_ x P ' e u-L°s <br />®' •®. -' O - f 0 . '. <br />Calcium, dissolved M200.7 ICP 71 mg/L 1 5 05/03/05 18:40 wfg <br />Iron, dissolved M200.71CP 0.57 mglL 0.05 0.3 05/03105 18:40 wig <br />Magnesium, dissolved M200.71CP 11 mg/L 1 5 05/03/05 18:40 wfg <br />Manganese, dissolved M200.7 ICP 0.12 mg/L 0.03 0.1 OS/03105 18:40 wig <br />Potassium, dissolved M200.7 1CP 25 mg/L 2 5 05105/OS 12:22 mea <br />Sodium, dissolved M200.7 ICP 1550 mglL 2 5 OS/OSI05 12:22 mea <br />Wet Chemistry <br /> 's .P P '. n -P s. - <br /> <br />AlkalinityasCaC03 SM2320B-Titration <br />Bicarbonate as 288 mglL 2 10 05103/05 0:00 ct <br />CaC03 <br />Carbonate as CaC03 U mg/L 2 10 05/03/05 0:00 ct <br />Hydroxide as CaC03 U mg/L 2 10 05/03/05 0:00 ct <br />Total Alkalinity 288 mg/L 2 10 05103105 0:00 ci <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -1.8 % 05110/05 0:00 talc <br />Sum of Anions 76.0 meglL 0.1 0.5 OS/10!05 0:00 talc <br />Sum of Cations 73.3 meq/L 0.1 0.5 05/10/05 0:00 talc <br />Chloride M325.2 - Colorimetric 2500 mg/L 100 500 04/30/05 21:19 pjb <br />Hardness as CaC03 SM2340B -Calculation 223 mg/L 1 7 05/10/05 0:00 talc <br />Lab Filtration SM 3030 B 04/22/05 13:36 ak/Ims <br />Lab Filtration & SM 3030 B ` 04/21/05 16:50 ak <br />Acidification <br />Nitrate as N, dissolved Calculation: N03N02 minus N02 U mg/L 0.02 0.1 05170/05 0:00 talc <br />Nitrate/Nitrite as N, M353.2 -Automated Cadmium U mg/L 0.02 0.1 04/20/05 20:34 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 -Automated Cadmium U mglL 0.01 0.05 04/20/05 20:34 pjb <br /> Reduction <br />Residue, Filterable M160.1 -Gravimetric 4350 mglL 70 20 04/26105 10:46 Ims <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 45.70 0.03 0.15 05/10/05 0:00 talc <br />Ratio in Water <br />Sulfate M375.3 -Gravimetric 10 B mg/L 10 50 04128/05 17:31 jjrfjtl <br />TDS (calculated) Calculation 4340 mg/L 10 50 OS/10105 0:00 talc <br />TDS (ratio - Calculation 1.00 05/10/05 0:00 ca(c <br />measured/calculated) <br />REPIN.01.11.00.01 • Please refer to Extended Qualifier Report for detail <br />L50701: Page 4 of 15 <br />1 _ <br /> <br /> <br />