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EFCI Southfield Mine - Year Z007Annua/ Hydrology Report April 21, 2008 <br />TABLE 15 <br />MAGPIE CREEK (DOWNSTREAM) WATER QUALITY DATA <br />_ (Monitoring Point MC-2) <br /> <br />PARAMETER <br />UNITS 2007 Sample Date: <br />2nd QTR. 4th QTR. 2007 <br />AVERAGE 1997 - 2007 <br />MIN. AVE. MAX. <br /> No Flow No Flow No Flow <br />H field units 6.2 7.4 8.3 <br />Conductiv' field umhoslcm 5 241 36 <br />Tem nature field d C 5.2 14.0 25.8 <br />Solids, total sus nded m 64 302 67 <br />Solids, total dissolved m 11 23 34 <br />Oil and Grease visual es/no N Na Na <br />SAR in water m 0.00 0.32 0.56 <br />Bicarbonate as CaC03 m 16.00 20.60 27.00 <br />Calaum m 4.30 34.58 56.70 <br />Chloride m 0.00 1.20 2.00 <br />Ma r-esium m I 4.90 14.74 43.00 <br />Nitro n, nitrate nitrite m 0.09 0.41 1.23 <br />Selenium m I 0.000 0.000 0.000 <br />Phosphorus, ortho m 0. 0. 0.17 <br />Sodium m 3. 10. 17.1 <br />Sulfate m 30. 120. 190. <br />Aluminum 9.1 49. 188. <br />Arsenic m 0.0010 0.0057 0.0200 <br />Cadmium m 0. 0. 0.01 <br />Co r m 0. 0.07 0.2 <br />Iron m 7.01 48. 193. <br />Lead m 0. 0. 0. <br />Man anew m 0.17 0.90 3.49 <br />Me 0.0000 0.0000 0.0000 <br />Mol enum m ll 0.00 0.00 0.00 <br />Zinc m A 0.04 0.19 0.73 <br />NOTES: <br />1. Zero data values =parameter was analyzed for but not detected. ' <br />2. Blank data fields = no data. <br />2007 AHR.doC WP Page 27 <br />