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1 ACZ LABORATORIES INC DATA <br />°I 0519/93 Water Analysis Report <br />Client Yampa Valley Coal Corp. <br />Address 29588 Routt County Road X27 <br />Dak Creek, Colorado 80467 <br />n. Mr. Rick Mills <br />roject 68400A, TS Agreement 1k1266 <br />MANAGEMENT SYSTEM I <br />09:42 I <br />Page 1 =________ <br />Sample ID: SW-3 Lab No. 93-W[/04043 <br />Sample Date Time: 04/29/93 10:10 Date Received: 04/29/93 <br />Parameters <br />Conductivity (Field) 560. umhos/cm <br />pH (Field) 8.9 units <br />Temperature CField) il. <br />Alkalinity as CaC03 152. mg/1 <br />Bicarbonate as HC03 165. mg/1 <br />Carbonate as C03 0. mg/1 <br />Calcium, dissolved 49. mg/1 <br />Conductivity ~ 25C 419. umhos/cm <br />Hardness as CaC03 221, mg/1 <br />Magnesium, dissolved 24. mg/1 <br />Nitrogen, ammonia 0.06 mg/1 <br />Ammonia as N (unionized) -0.05 mg/1 <br />Nitrate as N, dissolved .15 mg/1 <br />Nitrite as N, dissolved 0.02 mq/1 <br />Nitrate/Nitrite as N 0.17 mg/1 <br />Phosphorus, ortho diss 0.050 mg/1 <br />SAR in water .44 <br />Sodium, dissolved 15. mg/1 <br />Sulfate 103. mg/1 <br />Solids, total dissolved 'Z 74. mg/I <br />Solids, total suspended 128. mg/1 <br />Cadmium, total recov. -.1 ug/1 <br />Iran, total recov. 4120. ug/1 <br />Manganese, tot. rec. 130. ug/1 <br />Molybdenum, total recov. -10. ug/1 <br />Mercury, total recov. -.1 ug/1 <br />Selenium, total recov. -1. ug/1 <br />Silver, total recov. -.5 ug/1 <br />Zinc, total recov. 20. ug/1 <br />Remarks: <br />Note: Negative sign "-" denotes that the value is less than "<" <br />Scott Habermehl, Quality Assurance Officer~$.~. <br />Frank E. Polniak, Inorganic Laboratory Supervisor/~ <br />v <br />