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1 Acz <br />ACZ Laboraroner, loc. <br />30J00 Downhill Dnve <br />S(eamboal Springs. CO 80187 <br />(800) 331-5193 <br />Kerr Coal Co. <br />P.O. Box -787 <br />' Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: L20833-03 <br />Client Sample ID: AO-1A <br />Client Project ID: <br />ACZ Report ID: RG80574 <br />Date Sampled: /0/21/9809:05 <br />Date Received: !0/23/98 <br />Date Reported: !1/5/98 <br />Sample Matrix: Ground Water <br /> <br />' Hardncss as CaC03 SM2340B -Calculation 540 mg/L I 7 11/5/98 talc <br /> Lab Filtration "• <br /> Lab Filtration & Acidification •" <br />' Nitrate as N, dissolved Calculaion: N03N02 minus N02 0.02 <br /> NitrateMitritc as N, dissolved M353.2 - Automazed Cadmium Reduction 0.02 <br /> Nivite as N, dissolved M353.2 - Automazed Cadmium Reduction <br /> Phosphorus. Doha dissolved M365.1 -Automated Ascorbic Acid <br /> Residuc. Filterablc (TDS) ral180C M160.1 -Gravimetric I03C <br /> Sodium Absorption Ratio in Water USGS -11738-78 2.52 <br /> Sulfate M375.3-Gmvimevic 490 <br />' TDS (calcula¢d) Calculation IOSC <br /> TDS (ratio - measured/calculatcd) Calculaion 0.98 <br />1 <br />1 <br />s. <br />U = Analytn was analyzed for but not detected at the indicated MDL <br />t B = Analyse concentration detected az a value between MDL and PQL <br />PQL =Practical Quantilation Limit <br />' REPIN101.03 95.01 Page 2 0l 2 <br />1023/98 Iaa <br />10/23/98 lae <br />B mg/I- 0.02 0.1 II/5/98 talc <br />B mg/L 0.02 0.1 1023/98 ss <br />U mg/L 0.01 0.05 1023/98 ss <br />U mg/L 0.005 0.03 1023/98 u <br /> mgJL 10 20 1026198 cd <br /> 0.03 0.15 11/5198 talc <br /> mg/I- 10 20 1023/98 sts <br /> mg/L 10 50 11/5/98 talc <br /> II/5/98 talc <br />Vice President of ()penti~~~ h Poulson <br />