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I ACZ~LABORATORIES 1NC DATA MANAGEMENT SYSTEM I <br />112/10/92 Water Analysis Report 11:29 I <br />=..a=====~_____'_____°°=====o===e===~~e=e~~~aa=~== Page 1 =_=====ea <br />Client Yampa Valley Coal Corp. <br />dress 29588 Routt County Road 1k27 <br />Oak Creek, Colorado 80467 <br />n. Mr. Rick Mills <br />Project Twentymile Ik1134 <br />Sample ID: GWA-1 Lab No. 92-WI/09334 <br />Sample Date Time: 11/23/92 11:45 Date Received: 11/25/92 <br /> Parameters <br /> Conductivity (Field) 1650. umhos/cm <br /> pH (Field) 7.4 units <br /> Temperature (Field) 3. <br /> Alkalinity as CaC03 616. mg/1 <br /> Bicarbonate as HC03 752. mg/I <br /> Carbonate as CD3 0. mg/l <br /> Calcium, dissolved 142. mg/1 <br /> Conductivity (il 25C 1140. umhos/cm <br /> Hardness as CaC03 609. mg/1 <br /> Magnesium, dissolved 62. mg/1 <br /> Nitrogen, ammonia 0.52 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 dtss 0.024 mg/1 <br /> SAR in water .55 <br /> Sodium, dissolved 31. mq/I <br /> Sulfate 130. mg/1 <br /> Solids, total dissolved 736. mg/1 <br /> Cadmium, dissolved -.1 ug/1 <br /> Iron, dissolved 4670. ug/1 <br /> Manganese, dissolved 3330. ug/1 <br /> Lead, dissolved -20. ug/1 <br /> Molybdenum, dissolved -50. 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~, <br />Frank E. Polniak, Inorganic Laboratory Supervisor/~j <br /> <br />