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avv....vscvavv..cc....v..a..v..vav.vv.vcv.avc.avav.vv.vavvcvcvd.~avav. <br />1 AC2 LABORATORIES INC DATA MANAGEMENT SYSTEM I <br />1 D3/18/93 Water Analysis Report 09:15 I <br />..........° ........................................ Page 1 ......... <br />Client Yampa Valley Coal Corp. <br />~ress 29588 Routt County Road #27 <br />Oak Creek, Colorado 80467 <br />tn. Mr. Rick Mills <br />Project 68400A, TS Agreement #1266 <br />Sample ID: GWB-1 Lab No. 93-WI/01530 <br />Sample Dete Time: 02/26/93 14:30 Date Received: 02/26/93 <br />Parameters <br /> <br />Remarks: <br />Conductivity (Field) 9000. umhos/cm <br />pH (Field) 8.9 units <br />Temperature (Field) 6. <br />Alkalinity as CaC03 300. mg/1 <br />Bicarbonate as HC03 342. mg/1 <br />Carbonate es C03 12. mg/1 <br />Calcium, dissolved 5. mg/1 <br />Conductivity e 25C 1050. umhos/cm <br />Hardness as CaC03 21. mg/l <br />pH Clab) 8.6 units <br />Magnesium, dissolved 2. mg/1 <br />Nitrogen, ammonia 0.61 mg/1 <br />Ammonia as N (unionized) -0.05 mg/1 <br />Nitrate as N, dissolved .01 mg/1 <br />Nitrite as N, dissolved 0.01 mg/1 <br />Nitrate/Nitrite as N 0.02 mg/1 <br />Phosphorus, ortho disa 0.047 mg/1 <br />SAR in water 24.27 <br />Sodium, dissolved 251. mg/1 <br />Sulfate 272. mg/1 <br />Solids, total dissolved 632. mg/I <br />Cadmium, dissolved -.1 ug/1 <br />Iron, dissolved 40. 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/~~ 7 <br />Frank E. Polniak, Inorganic Laboratory Supervisor/~ <br />•, <br />