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Marc Mine - 2006 Annual Hydrology Report <br />Maroh 2006 <br />FIGURE 1A <br />MINE AREA WATER LEVELS <br />0 <br />-s <br />-tn <br />`a <br />9 <br />s° -ts <br />E <br />0 <br />w <br />LL <br />.p <br />-25 <br />w 498 497 49B 498 4100 10101 4/02 8102 BN2 10N2 4N3 603 8N3 70N3 4104 8104 604 10N4 INS BNS 8N5 1405 4N8 BNB 8N8 <br />DATE <br />+7&i (OB) -7&81 (Coal) x]93 (O~ <br />TABLE 2 -SITE SP-01 HISTORIC MINE AREA SPOIL WATER QUALITY DATA <br />Parameters 2002 2003 2004 2005 2006 <br />Tem °C 12.7 12.0 10.3 11.7 15.3 <br />Hsu 8.2 7.8 7.7 7.8 7.9 <br />E.C. mhos/cm 20°C 1700 1400 575 (') 367 (') 1673 <br />TDS 1313 1287 1273 1253 1240 <br />SAR in water 44.3 44.1 42.8 43.4 43.4 <br />Calcium dissolved 7.9 9.2 8.2 7.6 8.1 <br />Sodium dissolved 491 524 483 471 481 <br />Ma nesium dissolved 1.0 1.1 1.1 0.9 0.9 <br />Potassium dissolved 2.4 2.3 1.8 1.8 2.1 <br />Sulfate 157 63 28 13.3 11.7 <br />Chloride 60 63 57 52.3 47.7 <br />Carbonate as CaC03 <2 <2 <2 <2 <2 <br />Bicarbonate as CaC03 849 1053 1055 1047 1043 <br />NRrate-Nitro en dissolved 0.11 0.09 0.04 0.01 D.O7 <br />Iron dissolved 0.06 0.26 0.38 0.28 0.78 <br />Man anese dissolved 0.024 0.044 0.038 0.031 .033 <br />Note: All values represent mean values for each water year in mgll unless otherwise noted. <br />' =Equipment malfunction <br />File: 6371/TD06/2f106 hydrology tpt Page 6 <br />