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EFCI Southfield Mine - 2012 Annual Hydrology Report April 18, 2013 <br />2012 AHR text.doc Page 23 <br />TABLE 10 <br />NEWLIN CREEK (DOWNSTREAM) WATER QUALITY DATA <br />(Monitoring Point NC -1) <br />PARAMETER <br />UNITS <br />2012 Sample Dates: 2012 <br />2nd QTR. 4th QTR. AVERAGE <br />MIN. <br />1997-2012 <br />AVE. <br />MAX. <br />No Flow No Flow <br />H field <br />units <br />7.6 <br />8.4 <br />10.0 <br />Conductivity field <br />umhos/cm <br />83 <br />148 <br />275 <br />Tem erature field <br />deq C <br />6.2 <br />13.1 <br />23.0 <br />Solids, total sus endedm <br />/I <br />0 <br />17 <br />68 <br />Solids, total dissolved <br />m /I <br />110 <br />123 <br />180 <br />Oil and Grease visual <br />es/no <br />0 <br />0 <br />0 <br />SAR in water <br />m /l <br />0.00 <br />0.25 <br />0.37 <br />Bicarbonate as CaCO3 <br />m /l <br />55 <br />71 <br />129 <br />Calcium TR <br />m /l <br />17 <br />21 <br />38 <br />Chloride <br />0 <br />1 <br />2 <br />Ma nesium TR <br />4.2 <br />5.6 <br />8.9 <br />Nitrogen, nitrate nitrite <br />wMg//11l <br />0.00 <br />0.09 <br />0.63 <br />Selenium TR <br />0.0 <br />0.0 <br />0.0 <br />Phosphorus, ortho <br />0.01 <br />0.02 <br />0.04 <br />Sodium TR <br />m /I <br />4 <br />5 <br />9 <br />Sulfate <br />m /l <br />10 <br />20 <br />40 <br />Aluminum TR <br />m /l <br />0.00 <br />1.03 <br />2.50 <br />Arsenic TR <br />m /l <br />0.0000 <br />0.0002 <br />0.0010 <br />Cadmium TR <br />m /l <br />0.000 <br />0.000 <br />0.000 <br />Copper TR <br />m /l <br />0.00 <br />0.00 <br />0.00 <br />Iron TR <br />m /l <br />0.25 <br />0.99 <br />1.85 <br />Lead TR <br />m /l <br />0.00 <br />0.00 <br />0.00 <br />Manganese TR <br />Mg/1 <br />0.008 <br />0.021 <br />0.040 <br />Mercury T <br />m /I <br />0.00 <br />0.00 <br />0.00 <br />Molybdenum TR <br />m /I <br />0.00 <br />0.00 <br />0.00 <br />Znc TR <br />m /I <br />0.00 <br />0.01 <br />0.04 <br />NOTES: <br />1. Zero data values = parameter was analyzed for but not detected. <br />2. Blank data fields = no data. <br />2012 AHR text.doc Page 23 <br />