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I AC2 LABORATORIES INC DATA MANAGEMENT SYSTEM I <br />108/11/93 Water Analysis Report 16:11 1 <br />~aa~~ama~~ass~~_~=~~~_eman~~sase~_~se~~~_~saa~e~aae Page 1 ~n~~~_a~~ <br />Client Yampa Valley Coal Corp. <br />.Address 29588 Routt County Road 4k27 <br />Oak Creek, Colorado 80467 <br />ttn. Mr. Rick Mills <br />Project 68400A, TS Rgreement Ik1266 <br />Sample ID: SW-4 Lab No. 93-WI/07554 <br />Sample Date Time: 07/22/93 11:50 Date Received: 07/22/93 <br />Parameters <br /> Conductivity (Field) 790. umhos/cm <br /> pH (Field) 8.2 units <br /> Temperature (Field) 20. <br /> Alkalinity as CaCO3 322. mg/1 <br /> Bicarbonate as HCO3 364. mg/1 <br /> Carbonate as CO3 14. mg/1 <br /> Calcium, dissolved 89. mg/1 <br /> Conductivity ~ 25C 798. umhos/cm <br /> Hardness as CaCO3 452. mg/1 <br /> Magnesium, dissolved 56. mg/1 <br /> Nitrogen, ammonia 0.06 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 diss 0.041 mg/1 <br /> SAR in water .58 <br /> Sodium, dissolved 28. mg/1 <br /> Sulfate 189. mg/1 <br /> Solids, total dissolved 498. mg/1 <br /> Solids, total suspended 20. mg/1 <br /> Cadmium, total recov. -.1 ug/1 <br /> Iron, total recov. 390. ug/1 <br /> Manganese, tot. rec. 70. ug/1 <br /> Molybdenum, total recov. -50. ug/1 <br /> Mercury, total recov. -.2 ug/1 <br /> Selenium, total recov. -5, ug/1 <br /> Silver, total recov. -.5 ug/1 <br /> Zinc, total recov. -10. ug/1 <br />Remarks: <br />Note: Negative sign "-" denotes that th e value is less than "<" <br />Scott Habermehl, Project Manager/s~. <br />Frank E. Polniak, Inorganic Laboratory Supervisor/~ <br />