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TABLE 13 <br />SECOND ALKALI CREEK WATER QUALITY DATA <br />(Monitoring Point SA -1) <br />PARAMETER <br />UNITS <br />2011 Sample Date: <br />2nd QTR. 4th QTR <br />2011 <br />AVERAGE <br />1991 - 2011 <br />MIN AVE. MAX. <br />No Flow <br />No Flow <br />No Flow <br />pH (field) <br />units <br />7.2 <br />7.7 <br />8.0 <br />Conductivity (field) <br />umhos/cm <br />107 <br />267 <br />440 <br />Temperature (field) <br />deg C <br />8.3 <br />14 3 <br />19.2 <br />Solids, total suspended <br />mg /I <br />0 <br />150 <br />874 <br />Solids, total dissolved <br />mg /I <br />108 <br />358 <br />930 <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 />1.95 <br />3.93 <br />Bicarbonate as CaCO3 <br />mg /I <br />60 <br />110 <br />205 <br />Calcium <br />mg /I <br />19.5 <br />36 7 <br />69.9 <br />Chlonde <br />mg /I <br />1 <br />4 <br />10 <br />Magnesium <br />mg /I <br />5 30 <br />13.98 <br />32.70 <br />Nitrogen, nitrate nitnte <br />mg /I <br />0 00 <br />0.04 <br />0.08 <br />Selenium <br />mg /I <br />0.00 <br />0 00 <br />0 00 <br />Phosphorus, ortho <br />mg /I <br />0.11 <br />0.15 <br />0.18 <br />Phosphorus, total <br />mg /I <br />0.22 <br />0 22 <br />0 22 <br />Sodium <br />mg /I <br />13 <br />63 <br />157 <br />Sulfate <br />mg /I <br />30 <br />182 <br />470 <br />Aluminum <br />mg /I <br />0.84 <br />3.08 <br />5.89 <br />Arsenic <br />mg /I <br />0.0020 <br />0.0022 <br />0.0030 <br />Cadmium <br />mg /I <br />0.000 <br />0 000 <br />0.000 <br />Copper <br />mg /I <br />0 00 <br />0 00 <br />0.00 <br />Iron <br />mg /I <br />0.17 <br />1.90 <br />4.36 <br />Lead <br />mg /I <br />0 00 <br />0.00 <br />0.00 <br />Manganese <br />mg /I <br />0.00 <br />0.02 <br />0.04 <br />Mercury <br />mg /I <br />0.0000 <br />0.0000 <br />0.0002 <br />Molybdenum <br />mg /I <br />0 00 <br />0.00 <br />0.09 <br />Zinc <br />mg /I <br />0.00 <br />0 02 <br />0.03 <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 - 2011 Annual Hydrology Report April 25, 2012 <br />2011 AHR text doc <br />Page 23 <br />