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Laboratories, Inc, <br />7773 Downhill Drive Steamboat Snrinos_ CD A0487 /8001 334-5493 <br />Field Data <br /> P r '! ~. <br />Conductivity (Field) Fieltl Measurement 1745 umhos/cm 04/12/06 1:45 jm <br />pH (Field) Field Measurement 8.1 units 04/12/06 1:45 jm <br />Temperature (Field) Field Measurement 12.6 C 04/12/06 1:45 jm <br />Metals Analysis <br /> e r r •• •. - <br />Calcium, dissolved M200.71CP 14.3 mg/L 0.2 1 04/20/Ofi 18:17 jjc <br />Iron, dissolved M200.71CP 0.46 mg/L 0.02 0.05 04/20/06 16:17 jjc <br />Magnesium, dissolved M200.7 ICP 1.5 mg/L 0.2 1 04!20!06 18:17 pc <br />Manganese, tlissolved M200.71CP 0.047 mg/L 0.005 0.03 04/19/06 19:51 jjc <br />Potassium, dissolved M200.71CP 1.7 mg/L 0.3 1 04/19106 19:51 jjc <br />Sodium, dissolved M200.71CP 485 mg/L 0.3 1 04/20106 18:17 jjc <br />Wet Chemistry <br /> - r a • -• s. - I~ <br />Alkalinity as CaCO3 SM2320B-Titration <br />Bicarbonate as 721 mg/L 2 20 04/13/06 0:00 jlf <br />CaCO3 <br />Carbonate as CaCO3 U mg/L 2 20 04!13/06 0:00 jtt <br />Hydroxide as CaCO3 U mg/L 2 20 04/13/06 0:00 jlf <br />Total Alkalinity 721 mg/L 2 20 04113/06 0:00 jlf <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 1.6 % 04125/O6 10:15 talc <br />Sum of Anions 21.6 meq/L 0.1 0.5 04125/0610:15 talc <br />Sum of Cations 22.3 meq/L 0.1 0.5 04/25/06 10:15 talc <br />Chloritle M325.2 - Colodme[ric 258 mg/L 5 30 04/18106 13:07 nps <br />Hardness as CaCO3 SM23408 -Calculation 42 mg/L 1 7 04!25/06 10:15 tale <br />Lab Filtration SM 3030 B 04/18/06 10:14 nps <br />Lab Filtration & SM 3030 B 04/18106 14:23 ert <br />Acidifcation <br />Nitrate as N, dissolved Calculation: NO3NO2 minus NO2 U mg/L 0.02 0.1 04125/06 10:15 talc <br />NitratelNitdte as N, M353.2 -Automated Cadmium U mg/L 0.02 0.1 04!13!06 18:44 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 -Automated Cadmium U. mg/L 0.01 0.05 04/13/06 18:44 pjb <br /> Reduction <br />Residue, Filterable M160.1 - Gravimetric 1200 mg/L 10 20 04/18/06 15:12 jk <br />(TDS) @180C <br />Sodium Absorption USGS - 11738-78 33.00 0.03 0.75 04/25106 10:15 talc <br />Ratio in Water <br />Sulfate SM4500 504-D U ' mglL 10 50 04/18/06 18:11 jlt <br />TDS (calculated) Calculation 1190 mg/L 10 50 04/25/06 10:15 talc <br />TDS (ratio - Calculation 1.01 04/25/06 10:15 talc <br />measu redlcalcu I aled) <br />REPIN.02.06.05.01 'Please refer fo Extended Qualifier Report (or detail <br />L56030: Page 7 of 19 <br />Kerr Coal Company ACZ Sample ID: L56030-06 <br />Project ID: Date Sampled: 04/12/06 13:45 <br />Sample ID: 79-1 Date Received: 04/13/06 <br />Sample Matrix: Ground Water <br />