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I AC2 LABORATORIES INC DATA MANAGEMENT SYSTEM I <br />105/19/93 Watar Analysis Report 09:43 I <br />_____°__°_____°_____________~_____________________= Page 1 °_______° <br />Client Yampa Valley Coal Corp. <br />Address 29588 Routt County Road dk27 <br />Dak Creek, Colorado 80467 <br />tn. Mr. Rick Mills <br />Project 68400A, TS Agreement Ik1266 <br />Sample ]D: GWA2 Lab No. 93-WI/04049 <br />Sample Date Time: 04:29/93 13:15 Date Received: 04/29/93 <br />Parameters <br />Conductivity (Field) 1670. umhos/cm <br />pH (Field) 7.0 units <br />Temperature (Field) 14, <br />Alkalinity as CaCO3 458. mg/1 <br />Bicarbonate as HCO3 559. mg/1 <br />Carbonate as CO3 0. mg/I <br />Calcium, dissolved 287. mg/I <br />Conductivity ~ 25C 1820. umhos/cm <br />Hardness as CaCO3 1205. mg/1 <br />Magnesium, dissolved 119. mg/1 <br />Nitrogen, ammonia 0.41 mg/1 <br />Ammonia as N (unionized) -0.05 mg/1 <br />hJitrate as N, dissolved .03 mg/1 <br />Nitrite as N, dissolved -0.01 mg/1 <br />f~aitrate/Nitrite as N 0.03 mg/1 <br />Phosphorus, ortho diss -0.005 mg/1 <br />SAR in water .70 <br />Sodium, dissolved 55. mg/1 <br />Sulfate 873. mg/1 <br />Solids, total dissolved 1644. mg/1 <br />Cadmium, dissolved -.1 ug/1 <br />Iron, dissolved 1240. ug/I <br />Manganese, dissolved 2360. ug/1 <br />Lead, dissolved -20. ug/1 <br />Molybdenum, dissolved -10. ug/l <br />Mercury, dissolved -.1 ug/1 <br />Selenium, dissolved -1. ug/1 <br />Remarks: <br />Note: Negative sign "-" denotes that the value is less than "<" <br />Scott Habermehl, Quality Assurance Officer/s'(f <br />Frank E. Polniak, Inorganic Laboratory Supervisor~~ <br />`' <br />