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i• <br /> <br /> <br />Laboratories, Inc. <br />2773 Downhill Drive Steamboat Sorinos. CO 80487!8001 334-5493 <br />Field Data <br /> - a n ,e 'a r. <br />Conductivity (Field) Field Measurement 200 umhoslcm 04/19/05 14:10 jm <br />pH (Field) Field Measurement 8.1 units 04/19/0514:10 jm <br />Temperature (Field) Field Measurement 8.0 C 04!19/05 14:10 jm <br />Metals Analysis <br /> R P e •p n <br />Calcium, dissolved M200.7 ICP 12.1 mglL 0.2 1 08103/05 18:44 wfg <br />Iron, dissolved M200.71CP 0.07 mglL 0.01 0.05 05/03/05 18:44 wfg <br />Magnesium, dissolved M200.71CP 2.0 mglL 0.2 1 05/03105 18:44 wfg <br />Manganese, dissolved M200.71CP 0.020 B mg/L 0.005 0.03 05/03/05 18:44 wfg <br />Potassium, dissolved M200.7 ICP 3.2 mg/L 0.3 1 05/05/0512:25 mea <br />Sodium, dissolved M200.7 ICP 62,fi mg/L 0.6 2 05/09/05 12:15 wfg <br />Wet Chemistry <br />(TDS) @180C <br /> <br />Alkalinity as CaC03 SM2320B -Titration <br />Bicarbonate as 392 mg/L 2 10 05/03/05 0:00 ct <br />CaC03 <br />Carbonate as CaC03 23 mg/L 2 10 05/03/OS 0:00 ct <br />Hydroxide as CaC03 U mg/L 2 10 08103/05 0:00 ct <br />Total Alkalinity 415 mg/L 2 10 05/03105 0:00 ct <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -1.6 % 05/10/05 0:00 talc <br />Sum of Anions 29.3 meq/L 0.1 0.5 05/10105 0:00 talc <br />Sum of Cations 28.4 meq/L 0.1 0.5 05/10/05 0:00 talc <br />Chloride M325.2 - Colorimetric 750 mg/L 30 200 04130/08 21:20 pjb <br />Hardness as CaC03 SM2340B-Calculation 39 mg/L 1 7 OS/101050:00 talc <br />Lab Filtration SM 3030 B 04/22/05 13:41 ak/lms <br />Lab Filtration 8 SM 3030 B ` 04/25/05 16:00 ak <br />Acidification <br />Nitrate as N, dissolved Calculation: N03N02 minus N02 U mg/L 0.02 0.1 05/10/05 0:00 talc <br />Nitrate/Nitrite as N, M353.2 -Automated Cadmium U mglL 0.02 0.1 04/20/05 20:35 pjb <br />dissolved Reduction <br />Nitrite as N, dissolved M353.2 -Automated Cadmium U ` mg/L 0.01 0.05 04/20/05 20:35 pjb <br /> Reduction <br />Residue, Filterable M760.1 -Gravimetric 1680 mglL 10 20 04/26/05 10:48 Ims <br />Sodium Absorption USGS - 11738-78 44.40 0.03 0.15 05/10105 0:00 talc <br />Ratio in Water <br />Sulfate M375.3-Gravimetric U mg/L 10 50 04/28/0517:44 jjr(tl <br />TDS (calculated) Calculation 1650 mg/L 10 50 05/101050:00 talc <br />TDS (ratio - Calculation 1.02 05/10/05 0:00 talc <br />measured/calculated) <br />REPIN.01.11.00.01 'Please refer ro Extended Qualrfler Report for detail <br />L50701: Page S of 15 <br />Kerr Coal Company ACZ Sample ID: L50701-04 <br />Project ID: Date Sampled: 04/19/05 14:10 <br />Sample ID; 79-2 Date Received: 04/20/05 <br />Sample Matrix: Ground Water <br />