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Final Technical Report, 2014 Monitoring Well Rehabilitation Program Bowie Mine 21 <br />Table 3. Water Quality Data Summary for Well CWI -DH -60 <br />Well ID: CWI -DH -60 <br />Sample Collection Date <br />10/20/2014 <br />Analytical Laboratory <br />Accutest Laboratories <br />Laboratory Sample ID <br />Baseline <br />D63664 -1 <br />FIELD PARAMETERS <br />Units <br />Min <br />Ave <br />Max <br />Static Water Level <br />Feet <br />1,073 <br />1,073 <br />1,073 <br />947.35 <br />Water Elevation <br />Feet <br />6,887 <br />6,887 <br />6,887 <br />Field Comments <br />See footnotes <br />H <br />s.u. <br />7.29 <br />Conductivity <br />mhos /cm <br />4,540 <br />Temperature <br />Celsius <br />16.0 <br />LAB PARAMETERS <br />Units <br />Bicarbonate <br />m <br />3,440 <br />Carbonate <br />m /L <br /><5.0 <br />Chloride <br />m <br />106 <br />Conductivi <br />mhos /cm <br />3,090 <br />Hardness <br />m /L <br />168 <br />Acidity <br />m <br />Nitrate - Nitrite <br />m <br />Nitrogen - Nitrate <br />m <br /><0.050 <br />Nitrogen - Nitrite <br />m <br /><0.020 <br />Ammonia <br />m <br />0.15 <br />H <br />s.u. <br />7.45 <br />Phosphate <br />m <br />Phosphorus Total <br />m <br />0.32 <br />Residue Filterable -TDS <br />m /L <br />2,970 <br />Sulfate <br />m <br />27.2 <br />Arsenic (Dissolved )2 <br />m <br /><0.025 <br />Cadmium (Dissolved )2 <br />ma <br /><0.010 <br />Calcium (Dissolved )2 <br />m /L <br />53 <br />Iron (Dissolved)2 <br />m /L <br />0.0377 <br />Iron (Total )2 <br />m <br />22.3 <br />Magnesium Dissolved 2 <br />m <br />8.64 <br />Manganese (Dissolved)2 <br />m /L <br />0.086 <br />Manganese (Total )2 <br />m /L <br />0.295 <br />Mercury (Dissolved)' <br />m <br /><0.0001 <br />Selenium (Dissolved )2 <br />m /L <br /><0.050 <br />Sodium (Dissolved )2 <br />m <br />1,220 <br />Zinc (Dissolved )2 <br />m /L <br />0.030 <br />Adapted from Bowie (2014b). <br />1 Note: Well has been dry since September 15, 2010; there are no baseline data for any of the lab parameters for this well <br />(Bowie, 2014b) <br />2 Note: Designated values for samples collected October 20, 2014 were converted from µg/1, to mg/L. <br />November 2014 HydroGeo, Inc. <br />