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Seneca Mine <br />Paradox Hydrology System <br />Water Quality Report <br />Site : NPDES10 NPDES 010 (YOAST) <br />Loc: 5.87 8 <br />Elev: 6780 <br /> 10/12/2009 11/2/2009 12/1/2009 1/11/2010 2/2/2010 3/2/2010 <br />Field Ph S.U. 8.140 8.420 7.950 7.410 7.250 7 <br />280 <br />Temperature C 7.800 10.100 1.000 1.000 1.000 . <br />1 <br />000 <br />Field Conductivity UMHOS/CM 2,430.000 2,650.000 2,500.000 2,650.000 2 <br />540.000 . <br />2 <br />530.000 <br />Flow CFS 0.036 0.045 0.046 0.037 , <br />0.047 , <br />0.047 <br />Alk As CaC03, Ph 4.5 MG/L 185.000 <br />Alk, Bicarb As CaC03 MG/L 182.000 <br />Alk, Carb As CaC03 MG/L B 3.000 <br />Alk, Hydrox As CaC03 MG/L < 2.000 <br />Boron, Dissolved UG/L 160.000 <br />Calcium, Dissolved MG/L 208.000 <br />Chloride MG/L 44.000 <br />Conductivity UMS/CM2 2,520.000 <br />Hardness As CaC03 MG/L 1,390.000 <br />Iron, Total MG/L B 0.090 <br />Magnesium, Dissolved MG/L 212.000 <br />Mercury, Total UG/L 0.001 0 <br />002 <br />Ammonia Nitrogen <br />N MG/L < 0.050 . <br />_ <br />Nitrate Nitrogen_N MG/L B 0.070 <br />Nitrite NitrogenN MG/L <br />_ < 0.010 <br />Nitrate/Nitrite N <br />itrogen_N MG/L B 0.070 <br />Ph At 25 Deg. Cent. S.U. 8.300 <br />Potassium, Dissolved MG/L 8.300 <br />Selenium, Dissolved UG/L < 0.200 B 200 <br />0 <br />Sodium, Dissolved MG/L 120.000 . <br />Solids, Dissolved, MG/L 2,320.000 2,270.000 2,350.000 2,360.000 2 <br />290.000 2 <br />370 <br />000 <br />Solids, Suspended MG/L B 7.000 , , <br />. <br />Sulfate MG/L 1,420.000 <br />Sulfide MG/L < 0.020 <br />Bicarbonate As HC03 MG/L 222.000 <br />Carbonate As C03 MG/L < 2.000 <br />Hydroxide As OH MG/L < 2.000 <br />Cation Anion Balance PERCENT -2.200 <br />Sar RATIO 1.420 <br />Solids, Diss. (Calc) MG/L 2,120.000 <br />Sum of Anions MEQ/L 34.800 <br />Sum Of Cations MEQ/L 33.300 <br />.p <br />w <br />T