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I AC2 LABORATORIES INC DATA MANAGEMENT SYSTEM I <br />I .12/10/92 Water Analysis Report 11:28 I <br />~~.e~=se.eee »>~==~a.=~~a~~a~==~~e~~=~~=~==~b~z~.=. Page 1 =~~~~a~~= <br />Client Yampa Valley Coal Carp. <br />r-dress 29588 Routt County Road #27 <br />Oak Greek, Colorado 80467 <br />~tn. Mr. Rick Mills <br />Pro)ect Twentymile 1k1134 <br />Sample ID: GWA-2 Lab No. 92-WI/09333 <br />Sample Date Time: 11/23/92 1'2:30 Date Received: 11/25/92 <br /> Parameters <br /> Conductivity (Field) 2400. umhos/cm <br /> pH (Field) 7.2 units <br /> Temperature (Field) 2. <br /> Alkalinity as CaCO3 580. mg/1 <br /> Bicarbonate as HCO3 708. mg/1 <br /> Carbonate as CO3 0. mg/1 <br /> Calcium, dissolved 25U. mg/1 <br /> Conductivity ~ 25C 1450. umhos/cm <br /> Hardness as CaCO3 1051. mg/l <br /> Magnesium, dissolved 104. mg/1 <br /> Nitrogen, ammonia 0.56 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 disc 0.011 mg/1 <br /> SAR in water .72 <br />• Sodium, dissolved 53. mg/1 <br /> Sulfate 410. mg/1 <br /> Solids, total dissolved 1332. mg/1 <br /> Cadmium, dissolved -.1 ug/1 <br /> Iron, dissolved 1320. ug/1 <br /> Manganese, dissolved 3240. ug/1 <br /> Lead, dissolved -20. ug/l <br /> Molybdenum, dissolved -50. ug/1 <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 Hebermehl, Quality Assurance OfFicer~s ~ / <br />Frank. E. Polniak, Inorganic Laboratory Supervisor/f~ <br />i <br />