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___ <br />I ACZ ~.ABORATORIES 1NC DATA MANAGEMENT SYSTEM I <br />112/10/92 Water Analysis Report 11:29 1 <br />~~_________________'===e====e=aa=====_~___________= Page 1 =ova=.=tea <br />Client Yampa Valley Coal Corp. <br />J~~ress 29588 Routt County Road ik27 <br />(~ Oak Creek, Colorado 80467 <br />n. Mr. Rtck Mills <br />Projer_t Twentymile dk1134 <br />Sample ID: GWB-1 Lab No. 92-WI/09336 <br />Sample Date Time: 11/23/92 12:50 Date Received: 11/25/92 <br />Parameters <br />~• <br />Remarks <br />Conductivity (Field) 1130. umhos/cm <br />pH (Field) 9.2 units <br />Temperature (Field) 3. <br />Hlkalinity as CaCO3 284. mg/1 <br />Bicarbonate as HCO3 317. mg/l <br />Carbonate as CO3 14. mg/1 <br />Calcium, dissolved 4. mg/1 <br />Conductivity ~i1 25C 872. umhos/cm <br />Hardness as CaCO3 14. mg/1 <br />Magnesium, dissolved 1. mg/I <br />Nitrate as N, dissolved -.02 mq/1 <br />Nitrite as N, dissolved -0.01 mg/! <br />Nitrate/Nitrite as N -0.02 mg/1 <br />Phosphorus, ortho diss 0.009 mg/1 <br />SAR to water 22.73 <br />Sodium, dissolved 194. mg/! <br />Sulfate 105. mg/1 <br />Solids, total dissolved 486. mg/1 <br />Cadmium, dissolved -.1 ug/1 <br />Iron, dissolved 20. ug/1 <br />Manganese, dissolved -10. 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 Habermehl, Quality Assurance Officer~,S~ / <br />Frank E. Polniak, Inorganic Laboratory Supervisor/~ <br />• <br />