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Marc Mine - 2005 Annual Hydrology Report <br />February 2006 <br />TABLE 5 -SITE 793 HISTORIC OVERBURDEN WATER QUALITY DATA <br />Parameters 2005 <br />Tem °C 8.0 <br />H su 7.8 <br />E.C. mhos/cm 20°C 650 <br />TDS 4305 <br />SAR in water 44.9 <br />Calcium dissolved 67.5 <br />Sodium dissolved 1485 <br />Ma nesium dissolved 10.5 <br />Potassium dissolved 23.5 <br />Sulfate 10.0 <br />Chloride 2385 <br />Carbonate as CaC03 <2 <br />Bicarbonate as CaC03 276.5 <br />Nttrate-Nitro en dissolved 0.03 <br />Iron dissolved 2.60 <br />Man anese dissolved 0.105 <br />Note: All values represent mean values for each water year in mgll unless otherwise noted. <br />TABLE 6 -SITE 79-61 HISTORIC OVERBURDEN WATER QUALITY DATA <br />Parameters 1997 1998 1999 2005 <br />Tem °C 8.4 9.5 9.2 8.0 <br />H su 82 8.0 7.9 7.8 <br />E.C. hos/cm 20°C 1165 1035 1130 200 <br />TDS 710 670 740 590 <br />SAR in water 9.71 7.63 3.9 <br />Calcium dissolved 43.3 47.5 43.9 55.8 <br />Sodium dissolved 227 200 219 122.5 <br />Ma nesium dissolved 11.9 13.1 12.1 14.9 <br />Potassium dissolved 3.1 3.5 3.1 2.5 <br />Sulfate 68 70 30 110 <br />Chloride 20 55 12 10.5 <br />Carbonate as CaC03 3.5 5.5 <2 <2 <br />Bicarbonate as CaC03 562 503 566 392.5 <br />Nitrate-Nitro en dissolved <.02 <02 <.2 0.01 <br />Iron dissolved .07 .03 .Ot 0.11 <br />Man anese dissolved .02 .02 .02 0.041 <br />Note: All values represent mean values for each water year in mgll unless otherwise noted. <br />File: 6371/2005/2005 hydrology cpt Page 7 <br />