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...a.....vv.v...a..........v..v.....v......v..........s.v...v.vs...... <br />I AC2 LABORATORIES INC DATA MANAGEMENT SYSTEM I <br />1 03/18/93 Water Analysis Report 09:14 I <br />................................................... Page 1 ......... <br />Client Yampa Valley Coal Corp. <br />~~ress 29588 Routt County Road #27 <br />Oak Creek, Colorado 80467 <br />Attn. Mr. Rick Mills <br />Project 68400A, TS Agreement #1266 <br />Sample ID: GWA2 Lab No. 93-WI/01527 <br />Sample Date Time: 02/26/93 14:45 Date Received: 02/26/93 <br />Parameters <br /> <br />Remarks: <br />Conductivity (Field) 1840. umhos/cm <br />pH (Field) 7.3 units <br />Temperature (Field) 4. <br />Alkalinity as CaCO3 776. mg/1 <br />Bicarbonate as HCO3 947. mg/1 <br />Carbonate es CO3 0. mg/1 <br />Calcium, dissolved 309. mg/1 <br />Conductivity ~ 25C 2000. umhos/cm <br />Hardness as CaCO3 1310, mg/l <br />Magnesium, dissolved 131. mg/1 <br />Nitrogen, ammonia 0.78 mg/1 <br />Ammonia as N (unionized) -0.05 mg/1 <br />Nitrate as N, dissolved .02 mg/1 <br />Nitrite es N, dissolved 0.02 mg/1 <br />Nitrate/Nitrite as N 0.04 mg/I <br />Phosphorus, ortho digs 0.043 mg/1 <br />SAR in water .74 <br />Sodium, dissolved 61. mg/1 <br />Sulfate 576. mg/1 <br />Solids, total dissolved 1538. mg/1 <br />Cadmium, dissolved 3.0 ug/1 <br />Iron, dissalvcd 1650. ug/1 <br />Manganese, dissolved 4000. ug/1 <br />Lead, dissolved -20. ug/1 <br />Molybdenum, dissolved -50. ug/1 <br />Mercury, dissolved -.1 ug/1 <br />Selenium, dissolved -1. ug/1 <br />Note: Negative sign "-" denotes that the value is less than "<" <br />Scott Habermahl, Quality Assurance Office~~i~/' y~/"//~T <br />Frank E. Polniak, Inorganic Laboratory Suparvisor[~ <br />• <br />