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ACZ <br />ACZ Laborarories, /nc. <br />7 10400 Downhi!! Drive <br />Sreambow Springy, CO 80487 <br />(800) 334-5493 <br />Cyprus TWentymile Coal Co. <br />29515 Routt County Road 27 <br />Oak Creek, CO 80467 <br />Joe Shoemaker <br />Lab Sample ID: LJ8335-04 <br />Client Sample ID: 26SP3 <br />Client Project [D: <br />ACZ Report ID: RG675/ 1 <br />Date Sampled: 5/1/98 11:35 <br />Date Received: 8///98 <br />Date Reported: 5/!8/98 <br />Sample Matrix: Ground Wafer <br />Contluchvny (Field) <br />pH (Field) <br />Temperature (Field) <br />Metals Anal sis Field Measurement <br />Field Meazurcment <br />Field Measurement ISSU <br />6.8 <br />12.1 umhos/em <br />units <br />C 5/1/98 <br />5/1/98 <br />5/1/98 cm <br />cm <br />cm <br />Cadmium, dissolved M7131 GFAA U mglL O.000S 0.003 5!9798 jb <br />Calcium, dissolved M6010 ICP 163 mg/L 0.2 I 5/5/98 kr <br />Iron, dissolved M60101CP U mg/L 0.01 005 5/5/98 kr <br />Lead, dissolved M6010ICP U mg/L 0.04 0.2 5/5/98 kr <br />Magnesium, dissolved M6010 iCP 125 mg/L 0.2 I 5/5/98 kr <br />Manganese, dissolved M60101CP 0.006 B mg/L 0.005 0.03 5/5/98 kr <br />Mercury, dissolved M7470 CVAA U mg/L 0.0002 0.001 5/8/98 bg <br />Molybdenum, dissolved M60101CP U mg/L 0.01 0.05 5/5/98 kr <br />Selenium, dissolved SM 3500-Se C, AA-Hydride 0.005 mg/L 0.001 0.005 5/I 1/98 bg <br />Sodium, dissolved M60101CP 11.2 mg/L 0.3 I 5/5/98 kr <br />5 <br />Alkalinity az OaCU3 M232UB <br />Bicarbonate az Bicarbonate 597 mg/L 2 10 5/9/98 sls <br />Carbonate az Carbonate U mg/L 2 10 5/9/98 sts <br />Hydroxide az Hydroxide U mg/L 2 10 ' 5/9/98 sts <br />Total Alkalinity 489 mg/L 2 10 5/9/98 sts <br />Ammonia az N, un-ionized M}50.1 -Calculation U mg/L 0.01 0.05 5/18/98 talc <br />Conductivity C25C M9050 -Meter 1260 umhos/em I 10 5/9/98 sts <br />Hardness as CaC03 Calculation based on dissolved Ca 8: Mg 921 mg/L 1 7 5/18/98 talc <br />Lab Filtration •'• 5/4/98 laa <br />Lab Filtration & AcidiOcation ••• 514/98 laa <br />Nitrate as N, dissolved M353.2 -Automated Cadmium Reduction 2.04 mg/L 0.02 0.1 52/98 ss <br />Nitrate/Nitrile as N, dissolved M353.2 -Automated Cadmium Reduction 2.04 mg/L 0.02 0.1 52198 ss <br />Nitrite u N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 5/2198 ss <br />Nitrogen, ammonia M350.1 -Automated Phenate U mg/L 0.05 0.3 5/12198 mh <br />pH (lab) MI50.1 - Electrometric 7 0 units 0.1 0 I 5/9/98 sts <br />Phosphorus, orlho dissolved M365.1 -Automated Ascorbic Acid U mg/L 0.005 0.01 5/7/98 mh <br />Residue, Filterable (TDS)©ISOC M160.1-Gravimetric 1250 mg/L 10 20 5/6/98 cj <br />Sodium Absorption Ratio in Water USGS - 11738-78 0.16 0 03 0.15 5/18/98 talc <br />Sulfate M375.3-Gravimetric 540 mgR- 10 20 5/14/98 bk/cj <br />r <br />U =Analyte was analyzed for but not detected at the indicated MOL , <br />B =Analyte concentration detected at a value between MDL and PQL i <br />,~//~~. <br />IPQL =Practical Quantitmion Limit - - <br />_ ___ ___ _ Vitt l'rcsidenl of Operations: Ralph Poulson <br />REPIN10t 03.95 01 Page 1 of t <br />