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EFC1 Southfield Mine - 2008 Annual Hydrology Report April 15, 2009 <br />TABLE 10 <br />NEWLIN CREEK (DOWNSTREAM) WATER QUALITY DATA <br />(Monitoring Point NC-1) <br /> <br />PARAMETER <br />UNITS 2008 Sample Dates: <br />2nd QTR. 4th QTR. 2008 <br />AVERAGE 1997 -2008 <br />MIN. AVE. MAX. <br /> No Flow No Flow No Flow <br />pH (field) units 7.6 8.5 10.0 <br />Conductivity (field) umhos/cm 83 139 275 <br />Temperature (field) de C 6.2 11.9 23.0 <br />Solids, total suspended m /I 0 20 68 <br />Solids, total dissolved m /I 110 124 180 <br />Oil and Grease (visual) es/no 0 0 0 <br />SAR in water m /I 0.00 0.24 0.37 <br />Bicarbonate as CaC03 mg/I 55 71 129 <br />Calcium TR m /I 17 21 38 <br />Chloride m /I 0 1 2 <br />Magnesium TR m /I 4.2 5.6 8.9 <br />Nitrogen, nitrate nitrite m /I 0.00 0.03 0.10 <br />Selenium TR m /I 0.0 0.0 0.0 <br />Phosphorus, ortho mg/I 0.01 0.02 0.04 <br />Sodium TR m l 4 5 9 <br />Sulfate m /I 10 21 40 <br />Aluminum TR m /l 0.00 1.03 2.50 <br />Arsenic TR m /I 0.0000 0.0002 0.0010 <br />Cadmium TR m /I 0.000 0.000 0.000 <br />Copper TR m /I 0.00 0.00 0.00 <br />Iron TR m /I 0.25 0.99 1.85 <br />Lead TR m /I 0.00 0.00 0.00 <br />Manganese TR m /I 0.008 0.021 0.040 <br />Mercury T m /I 0.00 0.00 0.00 <br />Molybdenum TR m I 0.00 0.00 0.00 <br />Zinc TR m /I 0.00 0.01 0.04 <br />NOTES: <br />1. Zero data values = parameter was analyzed for but not detected. <br />2. Blank data fields = no data. <br />2008 AHR.doc WP Page 23