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EPCI Southfield Mine -Year 2006 Annual Hydrology Report Ap~zl 25, 2007 <br />MAGPIE CREEK (DOWNSTREAM) WATER QUALITY DATA i ~ I <br />~ ~ (Monitoring Point MC-2) ! ! ~ <br /> ~~ ( i -~ ~ <br /> 2006 Sample Date: (~~- <br />j <br />( 2nd QTR. p 4th QTR. ( 2006 1997 - 2004 <br />,PARAMETER UNITS AVERAGE MIN. !. AVE. MAX. <br /> No Flow No Flow No Flow <br />pH (field units 6.20 ' 7.38 8.30 <br />(Conductivity feld) umhos/cm 53.20 ! 240.66 360.10 <br />(Temperature (field) _ _ <br />(Solids, total suspended deg C <br />mg/I __ __ 5.20 I _ 14.00_ <br />64.00 301.60 __25.8_0 <br />678.00 <br />!Solids, total dissolved mg/I 110.00 230.00 ~ 340.00 <br />Oil and Grease (visual) yes/no n/a n/a n/a <br />TSAR in water mg/I 0.00 0.32 0.56 <br />'Bicarbonate as CaC03 mg/I 16.00 ' <br />20.60 27.00 <br />!Calcium m /I ___ _ <br />4.30: ~34.58 _ <br />56.70 <br />'.Chloride mg/I 0.00: 1.20 2.00 <br />'.Ma nesium m /I 4.90 I 14.74 43.00 <br />:Nitrogen, nitrate nitrite_ <br />Selenium mg/I _ <br />mg/l __ _ I __ __ __ 0.09__: __ 0.41 <br />0.000 0.000 __ 1.23 <br />0.000 <br />:Phosphorus, ortho mg/I 0.00 0.05 0.17 <br />;Sodium mg/I 3.30 ; 10.64 17.10 <br />Sulfate mg/I 30.00 'i 120.00 190.00 <br />(Aluminum mg/I 9.120 ' 49.044 188.000 <br />!Arsenic mg/I 0.0010: 0.0057 0.0200 <br />'.Cadmium mg/I 0.0000 0.0014 0.0070 <br />'.Copper mg/I 0.000 0.068 0.290 <br />Ilron m /I 7.010 I. 48.456 193.000 <br />:Lead mg/I 0.000. 0.000 0.000 <br />(Manganese mg/I 0.171 !, 0.899 3.490 <br />(Mercury mg/I 0.000( 0.000 0.000 <br />!Molybdenum mg/I 0.000 i 0.000 0.000 <br />(Zinc mg/I 0.040 i 0.186 0.730 <br /> <br />I NOTES: <br />1. Zero data values =parameter was analyzed for but not detected. <br />l 2. Blank data fields = no data. <br />6 41 712 0 0 6 annua~hyd rytdoc NWCC INC. Page 30 <br />