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TABLE 5 <br />MW -23 WATER QUALITY DATA <br />PARAMETER <br />UNITS <br />2011 Sample Dates: <br />06/06/11 12/08/11 <br />2011 <br />AVERAGE <br />1979 - 2011 <br />MIN AVE. MAX. <br />pH (lab) <br />units <br />85 <br />85 <br />85 <br />62 <br />82 <br />8.9 <br />Conductivity at 25C <br />umhos /cm <br />1230 <br />951 <br />1091 <br />210 <br />1006 <br />2820 <br />Temperature (field) <br />deg C <br />15.7 <br />12 1 <br />13.9 <br />10 0 <br />14.7 <br />24.5 <br />Solids, total dissolved <br />mg /I <br />820 <br />640 <br />730 <br />156 <br />651 <br />1870 <br />Bicarbonate as CaCO3 <br />mg /I <br />418 <br />253 <br />336 <br />150 <br />350 <br />1100 <br />Calcium, dissolved <br />mg/I <br />19 2 <br />58 5 <br />38.9 <br />2 2 <br />10.1 <br />58.5 <br />Chloride <br />mg /I <br />22 <br />24 <br />23 <br />3 <br />16 <br />24 <br />Magnesium, dissolved <br />mg /I <br />3 7 <br />13 2 <br />8 5 <br />0 0 <br />1.5 <br />13.2 <br />Nitrogen, ammonia <br />mg/I <br />0 08 <br />0.00 <br />0.04 <br />0.00 <br />0 25 <br />5.50 <br />Nitrogen, nitrate nitrite <br />mg /I <br />0.24 <br />0 41 <br />0.33 <br />0 04 <br />0 37 <br />0.64 <br />Phosphorus, ortho <br />mg/I <br />0.03 <br />0.03 <br />0.03 <br />0.00 <br />0.06 <br />0 23 <br />Phosphorus, total <br />mg /I <br />0 00 <br />0.06 <br />0 07 <br />Sodium, dissolved <br />mg/I <br />269 <br />142 <br />206 <br />29 <br />243 <br />652 <br />Sulfate <br />mg /I <br />190 <br />182 <br />186 <br />10 <br />174 <br />348 <br />Arsenic, dissolved <br />mg /I <br />0 0000 <br />0 0014 <br />0.0050 <br />Cadmium, dissolved <br />mg /I <br />0.00 <br />0.00 <br />0.01 <br />Iron, dissolved <br />mg /I <br />0.05 <br />0.13 <br />0.09 <br />0.00 <br />0.83 <br />24.20 <br />Manganese, dissolved <br />mg /I <br />0.082 <br />0.047 <br />0.065 <br />0.000 <br />0.034 <br />0.697 <br />Mercury, dissolved <br />mg /I <br />0 0000 <br />0.0000 <br />0 0005 <br />Selenium, dissolved <br />mg /I <br />0.000 <br />0.002 <br />0.053 <br />Zinc, dissolved <br />mg /I <br />0 00 <br />0.03 <br />0.24 <br />NOTES: <br />1 Zero data values = parameter was analyzed for but not detected <br />2. Blank data field = no data. <br />EFCI Southfield Mine - 2011 Annual Hydrology Report April 25, 2012 <br />2011 AHR text doc <br />Page 13 <br />