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Acz <br />ACZ /abarvruriet, /nc. <br />30400 Aownhi/! Orivr <br />Snam6oar Spnngt, CO 80447 <br />(800) 334-5493 <br />Lab Sample ID: L/4753-01 <br />Client Sample ID: AP-1 <br />Client Project ID: <br />ACZ Report lD: RG48670 <br />Kerr Coal Co. Date Sampled: 7/!8/97 17:15 <br />P.O. Box 487 Date Received: 7/2!/97 <br />Walden, CO 80480 Date Reported: 8/6/9 7 <br />Jim Mossman ' <br />cc: Jay James Sample Matrix: Ground Water <br />Field Data <br />Conductivity (Field) Field Measurement 400 umhos/cm 7/18/97 jm <br />pH (Field) Field Measurement 8.0 units 7/18/97 jm <br />Temperature (Field) Field Meaurement 12.0 C 7/18/97 jm <br />Metals Anal sis <br />Calcium, dissolved M200.7 ICP 58.4 mg/L 0.2 I 7/30/97 jaw <br />Iron. dissolved M200.7ICP U mg/L 0.01 0.05 7/]0/97 jaw <br />Magnesium, dissolved M200.7 {CP 47.7 mglL 0.2 I 7f30/97 jaw <br />Manganese, dissolved M200.71CP 0.763 mg/L 0.005 0.03 7!30/97 jaw <br />Po[azsium, dissolved M200 7 ICP 1.2 mg/L 0.7 I 7/30/97 jaw <br />Sodium, dissolved M200.71CP 21.6 mg/L O.l 1 7!30/97 jaw <br />Wet Chemist <br />I' <br />Alkalinity az CaCOJ M23208 <br />Bicarbonate az CaC03 326 mg/L 2 10 724/97 jb <br />Carbonate az CaC03 U mg/L 2 10 724/97 jb <br />Hydro<idc as CaC03 U mg/L 2 10 724/97 jb <br />Total Alkalinity 326 mg/L 2 10 724/97 jb <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 0.9 % 8/6/97 talc <br />Sum of Anions 7.72 meq/L 0.01 0.05 8/6/97 talc <br />Sum of Cations 7.87 meq/L 0.01 0.05 8/6/97 talc <br />Chloride M325.2-Colorimetric (RFA) IJ mg/L I 5 725/97 jb <br />Hardness az CaC03 Calculation hazed on dissolved Ca & Mg 342 mglL 1 7 8/6/97 talc <br />Lab Filtration '•• 721/97 rd <br />Lab Filvation & Acidificazion ••• 721/'97 rd <br />Nitrate az N, dissolved M753.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 723/97 jb <br />Nitrate/Nivite as N, dissolved M353.2-Automated Cadmium Reduction U mg/L 0.02 0.1 723/97 jb <br />Nitrite az N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 723/97 jb <br />Residue. Filterable (TDS) QI80C M160.1 -Grevimetric 390 mg/L 10 20 724/97 ae <br />Sodium Absorption Ratio in Water USGS - 11778-78 0.51 ~ 0.03 0.15 8/6/97 talc <br />Sulfate M375.3-Grevimetric 40 mg/L 10 20 725/97 ac <br />TDS (calculated) Calculation J78 mg/L 10 50 &6/97 talc <br />TDS (ratio - meazured/calculated) Calculation 1.03 816N7 talc <br />a <br />U =Analytc was analyzed for but nor detected at the indicated MDL <br />B =Analytc conccntmtion detected az a value between MDL and PQL i fi! O ~ <br />PQL =Practical Quan[ita[ion Limit I I ` <br />Vice President of Operetions: Ralph Po en <br />REPIN701.03.95.0[ Pege 1 of 1 <br />