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TABLE 11 <br />MAGPIE CREEK (UPSTREAM) WATER QUALITY DATA <br />(Monitoring Point MC -1) <br />PARAMETER UNITS <br />2012 Sample Date: <br />2nd QTR. 4th QTR. <br />2012 <br />AVERAGE <br />1991 - 2012 <br />MIN. AVE. MAX. <br />No Flow <br />No Flow <br />No Flow <br />pH (field) <br />units <br />6.5 <br />7.6 <br />8.8 <br />Conductivity (field) <br />umhos /cm <br />30 <br />67 <br />201 <br />Temperature (field) <br />deg C <br />5.0 <br />11.1 <br />16.9 <br />Solids, total suspended <br />mg /I <br />0 <br />1115 <br />4920 <br />Solids, total dissolved <br />mg /I <br />60 <br />131 <br />260 <br />Oil and Grease (visual) <br />yes /no <br />0 <br />0 <br />0 <br />SAR in water <br />mg /I <br />0.00 <br />0.43 <br />0.76 <br />Bicarbonate as CaCO3 <br />mg /I <br />20 <br />35 <br />82 <br />Calcium <br />mg /I <br />9 <br />60 <br />399 <br />Chloride <br />mg /I <br />0 <br />4 <br />20 <br />Magnesium <br />mg /I <br />1.7 <br />16.9 <br />55.0 <br />Nitrogen, nitrate nitrite <br />mg /I <br />0.06 <br />0.37 <br />0.65 <br />Selenium <br />mg /I <br />0.0 <br />0.0 <br />0.0 <br />Phosphorus, ortho <br />mg /I <br />0.03 <br />0.11 <br />0.21 <br />Phosphorus, total <br />mg/I <br />0 <br />0 <br />1 <br />Sodium <br />mg /I <br />4 <br />13 <br />55 <br />Sulfate <br />mg /I <br />0 <br />38 <br />100 <br />Aluminum <br />mg /I <br />0.09 <br />66.10 <br />254.00 <br />Arsenic <br />mg /I <br />0.0010 <br />0.0097 <br />0.0300 <br />Cadmium <br />mg /I <br />0.000 <br />0.001 <br />0.005 <br />Copper <br />mg /I <br />0.00 <br />0.07 <br />0.28 <br />Iron <br />mg /I <br />0.06 <br />63.58 <br />239.00 <br />Lead <br />mg/I <br />0.00 <br />0.04 <br />0.20 <br />Manganese <br />mg /I <br />0.020 <br />0.945 <br />3.510 <br />Mercury <br />mg /I <br />0.00 <br />0.00 <br />0.00 <br />Molybdenum <br />mg /I <br />0.00 <br />0.00 <br />0.00 <br />Zinc <br />mg /I <br />0.0 <br />0.2 <br />0.7 <br />NOTES: <br />1. Zero data values = parameter was analyzed for but not detected. <br />2. Blank data fields = no data. <br />EFCI Southfield Mine - 2012 Annual Hydrology Report <br />April 18, 2013 <br />2012 AHR text.doc <br />Page 24 <br />