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I AC2 LABORATORIES INC DATA MANAGEMENT SYSTEM I <br />I •12/10/92 Water Analysis Report 11:29 I <br />Client Yampa Valley Coal Corp. <br />~''ddress 29588 Routt County Road 1F27 <br />l~ Oak Creek, Colorado 80467 <br />n. Mr. Rick Mills <br />Project Twentymile 111134 <br />Sample ID: GWB-2 Lab No. 92-W1/09335 <br />Sample Date Time: 11/23/92 13:30 Date Received: 11/25/92 <br />Parameters <br /> <br />Remarks: <br />Conductivity (Field) 690. umhos/cm <br />pH (Field) 9.1 units <br />Temperature (Field) 1. <br />Alkalinity as CaC03 258. mg/1 <br />Bicarbonate as HC03 290. mq/1 <br />Carbonate as C03 12. mg/1 <br />Calcium, dissolved 3. mg/1 <br />Conductivity ~ 25C 515. umhos/cm <br />Hardness as CaC03 3. mg/1 <br />Magnesium, dissolved -1. mg/1 <br />Nitrate as N, dissolved -.02 mg/] <br />Nitrite as N, dissolved 0.03 mg/1 <br />Nitrate/Nitrite as N 0.03 mg/1 <br />Phosphorus, ortho diss 0.007 mg/! <br />SAR in water 29.35 <br />Sodium, dissolved 123. mg/1 <br />Sulfate 51. mg/1 <br />Solids, total dissolved 244. mg/1 <br />Cadmium, dissolved .1 ug/1 <br />Iran, di~~solved 80. ug/1 <br />Manganese, dissolved -10. ug/1 <br />Lead, dissolved -20. ug/I <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 Habermehl, Quality Assurance Officer~,s~. / <br />Frank E. Polniak, Inorganic Laboratory Supervisor /,~ <br /> <br />