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1 AC2 LABORATORIES INC DATA MANAGEMENT SYSTEM I <br />~1 05/13/93 Water Analysis Report 17:35 I <br />=...e.e==..=__====.n...==____=.==tee====.ve.=..._... Page 1 =__•_•__° <br />Client Yampa Valley Coal Corp. <br />Address 29588 Routt County Road #27 <br />( Oak Creek, Colorado 80467 <br />cn. Mr. Rick Mills <br />Pro)ect 68400A, TS Agreement dk1266 <br />Sample ID: GWA1 Lab No. 93-WI/04051 <br />Sample Date Time: 04/29/93 14:05 Date Received: 04/29/93 <br /> Parameters <br /> Conductivity (Field) 1100. umhos/cm <br /> pH (Field) 7.8 units <br /> Temperature (Field) 13. <br /> Alkalinity as CaC03 396. mg/t <br /> Bicarbonate as HC03 483. mg/1 <br /> Carbonate as C03 0. mg/1 <br /> Calcium, dissolved 158. mg/1 <br /> Conductivity ~ 25C 1120. umhos/cm <br /> Hardness as CaC03 686. mg/1 <br /> Magnesium, dissolved 71. mg/1 <br /> Nitrogen, ammonia 0.23 mg/1 <br /> Ammonia as N (unionized) -0.05 mg/1 <br /> Nitrate as N, dissolved .04 mg/1 <br /> hJitrite as N, dissolved 0.02 mg/1 <br /> Nitrate/Nitrite as N 0.06 mg/1 <br /> Phosphorus, ortho diss -0.005 mq/1 <br /> SAR in water 1.29 <br /> Sodium, dissolved 77. mg/1 <br /> SulFate 416. mg/1 <br /> Solids, total dissolved 1008. mg/1 <br /> Cadmium, dissolved -.1 ug/1 <br /> Iron, dissolved 160. ug/1 <br /> Manganese, dissolved 690. ug/1 <br /> Lead, dissolved -20. ug/1 <br /> Molybdenum, dissolved -10. ug/1 <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~, <br />Frank E. Polniak, Inorganic Laboratory Supervisor/~ <br />v <br />