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1 <br /> <br />1 <br />1 <br /> <br />1 <br /> <br /> <br />1 <br /> <br /> <br /> <br />1 <br />1 <br /> <br />TABLE4 <br />SITE 79-2 <br />HISTORIC MINE AkEA OVERBURDEN WATER QUALITY DATA <br />PARAMETERS 1989 1990 1991 1992 1993 <br />Temp (deg C) 9 8 8.i 9.i 8.5 <br />pH (.cu) 8.02 B.l 8.5 8.6 8.6 <br />E.C. (umho/an) 3750 3040 2450 2300 2250 <br />TDS 1670 1683 173} 1659 1588 <br />SAR 50.70 58.00 43.44 45.03 44.75 <br />Ca 11 11 11 12 12 <br />Na 687 677 iI2 622 629 <br />Mg 2 1 2 2 2 <br />K 3 3 5 3 3 <br />504 2 2 < 2 28 23 <br />CI 792 755 740 715 759 <br />CO3 0 7 0 8 20 <br />HCO3 392 363 394 387 382 <br />F 1.5 I.G <br />NO3/N 0.04 <0.02 0.13 0.83 0.13 <br />Fe (diss) 0.03 0.02 0.03 0.15 0.07 <br />Mn (diss) 0.04 0.01 0.02 0.01 0.01 <br />Al <0.05 <0.05 0.09 <0.05 0.07 <br />Ba 0.21 0.33 0.30 0.38 0.34 <br />B 0.10 <0.02 0.11 0.11 O.If <br />Cd <0.005 <0.005 <0.005 <0.005 <0.005 <br />Cr <0.01 0.01 <0.01 <0.01 <0.01 <br />Cu <0.01 0.01 <O.DI <0.01 <0.01 <br />Pb <0.02 <0.02 <0.02 <0.02 <0.02 <br />Hg <0.0001 0.0003 <0.0001 <0.0001 0.0007 <br />Mo <0.05 <0.05 <0.05 <0.05 <0.05 <br />Ni <0.02 <0.02 <0.02 <0.02 <0.02 <br />P (Ortho) 0.03 <0.01 <0.01 <0.01 0.01 <br />V <0.0] <0.01 <0.01 <0.01 <0.01 <br />Notes: All values in mg/I unless otherwise no[ed <br />