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I•ACZ t_ABORATORIES INC DATA MANAGEMENT SYSTEM I <br />1.12/10/92 Water Analysis Report <br />_______________°____°______________°°__________°__= Page <br />Client <br />dress <br />~n. <br />Project <br />Yampa Valley Coal Corp. <br />29588 Routt County Road 1k27 <br />Oak Creek, Colorado 80467 <br />Mr. Rick Mills <br />. Twentymile 1k1134 <br />i , III'lllllllllllllll <br />sss <br />Doc Date:12/11/2001 <br />Sample ID: SW-4 <br />Sample Date Time: 11/23/92 12:00 <br />Parameters <br />i. <br />Remarks: <br />Lab No. 92-WI/09330 <br />Date Received: 11/25/92 <br />Conductivity (Field) 610. umhos/cm <br />pH (Field) 8.6 units <br />Temperature (Field) 1. <br />Alkalinity as CaCO3 194. mg/I <br />Bicarbonate as HCO3 227. mg/1 <br />Carbonate as CO3 5. mg/1 <br />Calcium, dissolved 48. mg/1 <br />Conductivity @ 25C 463. umhos/cm <br />Hardness as CaCO3 218. mq/1 <br />Magnesium, dissolved 24. mg/1 <br />Nitrogen, ammonia 0.05 mg/1 <br />Ammonia as N (unionized) -0.05 mg/1 <br />Nitrate as N, dissolved -.02 mg/1 <br />Nitrite as N, dissolved -0.01 mg/1 <br />Nitrate/Nitrite as N -0.02 mg/1 <br />Phosphorus, ortho diss 0.015 mg/1 <br />SAR in water .54 <br />Sodium, dissolved 18. mg/1 <br />Sulfate 78. mg/1 <br />Solids, total dissolved 274. mg/1 <br />Solids, total suspended 4. mg/1 <br />Cadmium, total recov. -.1 ug/1 <br />Iron, total recov. 700. ug/1 <br />Manganese, tot. rec. 40. ug/1 <br />Molybdenum, total recov. -5U. ug/1 <br />Mercury, total recov. -.1 ug/1 <br />Selenium, total recov. -1. ug/1 <br />Silver, total recov. -.5 ug/1 <br />Zinc. total recov. -10. uq/1 <br />Note: Neoative sign "-" denotes that the value is less than "<" <br />Scott Habermehl, Quality Assurance Officer~s~. <br />Frank E. Polniak, Inorganic Laboratory Supervisor/1f7 <br /> <br />i <br />