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~ Acz <br />' ACZ /nborvlnrier, Inc. <br /> 2773 DownhiQ Drive <br /> Steamboat Springy, CO 80487 <br /> (800) 33FSJ9J <br /> Kerr Coal Co. <br /> P.O. Box 487 <br />Walden. CO 80480 <br /> Jim Mossman <br /> cc: Jay James <br /> <br />Lab Sample ID: L239(6-02 <br />Client Sample ID: AP-/ <br />Client Project ID: <br />ACZ Report ID: RC97368 <br />Date Sampled: 7//4/99 11:15 <br />Date Received: 7/!5/99 <br />Date Reported: 7/28/99 <br />Sample Matrix: Ground Water <br />Field Data <br />' Cnnductiviry IFicld) Field Measurement 400 umhas/cm 7/14/99 jm <br />pH (Field) Field Measurement 8.0 units 7/!4/99 jm <br />T<mperaturc (Field) Field Measurement 13.0 C 7/14/99 jm <br />' Metals Analysis <br /> Calcium, dissolved <br />Iran, dissolved M200.7 ICP <br />M200.71CP 38.1 <br />0.06 mg/L <br />mg/L 0.2 <br />0.01 I <br />0.05 720/99 <br />720/99 gg <br />gg <br /> Magnesium, dissolved M200.71CP 28.2 mg/L 0.2 I 7RON9 gg <br /> Manganese. dissolved M200.7 ICP 0.492 mg/L 0.005 0.03 7(20/99 gg <br />' Potazsium, dissolved M200.7ICP 0.8 B mg/L 0.3 1 720/99 gg <br /> Sodium. dissolved M200.71CP 24.9 mg/L 0.3 I 720199 gg <br /> Wet Chemist <br /> <br />' <br /> Alkalinity as CaC03 M2320B <br /> Bicarbonate u CaC03 228 mg/L 2 10 7/16/99 ed <br /> Carbonate as CaC03 U mg/L 2 10 7/16/99 cd <br />' Hydro<ide as CaC03 U mg/L 2 10 7/16/99 cd <br /> Total Alkalinity 228 mg/L 2 10 7/IG/99 cd <br />' Cation-Amon Balance <br />Cauan-Anion Balance Calculation <br />2.9 <br />% <br />728/99 <br />talc <br /> Sum of .onions 5.0 mcq/L 0.1 0.5 728/99 talc <br /> Sum of Cations 5.3 meq/L 0.1 0.5 7l26N9 talc <br />' Chloride M325.2 -Colorimetrie (RFA) J B mg/L I 5 722/99 bg <br /> Hardness az CaC03 SM2340B -Calculation 211 mg/L 1 7 728/99 talc <br /> Lab Filtration ••• 7/15/99 tdr <br /> Lab Filtration d Acidification ••' 7/15/99 tdr <br />' Nitrate az N, dissolved Calculation: N03N02 minus N02 0.05 B mg/L 0.02 0.1 728/99 talc <br /> NitrateMitritc u N, dissolved M353.2 • Automated Cadmium Reduction 0.05 B mg/L 0.02 0.1 7/15/99 u <br /> NitriteazN. Dissolved M353.2-Automated Cadmium Reduction U mg/L 0.01 0.05 7/1$/99 ss <br />' Residue, Filtcrablc ITDS) ~180C M160.1 -Gravimetric 250 mg/L 10 20 7/15/99 ss/cd <br /> Sodium Absorption Ratio in Water USGS - 11738.78 0.75 0.03 0. I $ 726/99 talc <br /> Sulfate MJ75.3-Gravimevie 20 mg/L 10 20 7/16/99 ed <br />' TDS (calculated) Calculation 253 mg/L 10 50 728/99 talc <br /> TDS (ratio - measured/calculated) Calculation 0.99 726/99 talc <br /> <br /> a <br /> U = Analyze was analyzed for but not detected az the indicated MDL <br />' 8 = Analyse concentration deterred at a value between MDL end PQL -G' I <br />J f ~~ <br />Q Il <br />'+-. ~L Y n ~ r <br /> PQL =Practical Quantization Limit <br /> Vice President ofOperazions: Ralph Poulson <br />' REPINtO1.OJ.95.0[ Page t of t <br />