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Table 17-10. Water Chemistry and Saturation Indices from Chemical Modeling <br />• <br />• <br /> <br />Site Spoil Spg #1 GY-N27 GY•N4 GN•N20 GN•N9 GW•N9 GWN21 <br />Date May 20, 7987 Oct 29, 7987 Jun 23, 1983 Jul 12, 7986 Dec 18, 1987 Jun 23, 1983 Jul 72, 1986 <br />Envir Spoil Spoil Coal N Coal NE Obdn, toaL N Obdn, Coal N Obdn NE <br /> HATER CHEMISTRY <br />pH (field) 6.83 6.36 6.8 4.68 7.2 6.7 7.17 <br />Alk 386 382 438 428 328 300 <br />As <0.05 <0.05 <0.20 15.1 <0.10 <0.20 <0.05 <br />As <1 <1.0 <2.00 4 <1.00 <2.00 <1.0 <br />Be 10 20 <br />Bicarb 471 466 534.34 400.14 365.93 <br />B 280 370 120 738 170 130 <br />Cd <5 <5. 11 <5 <2.00 8 <5.0 <br />Ca 637 593 497 434 554 551 670 <br />Cl 18 14 53 6 23 3 1 <br />Cr <10 <10. <br />Conductivity 3290 2870 5720 2930 4270 3540 2580 <br />Cu 10 <10. 20 10 20 <20.00 <10. <br />F 1 1.4 0.99 0.1T 0.74 0.6 1.39 <br />Fe, diss 1.77 0.21 1.51 51.8 3.09 1.69 0.04 <br />Pb <20.00 <20. 140 70 c20.00 110 60 <br />Mg, diss 284 216 850 202 424 320 77 <br />Nn, diss 7.92 0.64 2.58 2.26 1.97 2.28 0.03 <br />Hg <0.20 <,20 <1.00 <0.20 <0.02 <1.00 <.20 <br />Ni 20 <20 0.73 1.34 0.46 <br />NHL 0.29 0.04 0.02 0.07 0.52 0.02 0.78 <br />N02 <0.02 <0.01 1.12 <br />N03 0.05 0.39 <br />K 10 8 24 15 11 7.1 3 <br />Se <1.00 <1. 3 <1.00 <1.00 2 2 <br />Ag 10 <10. <br />Na 42 53 213 57 83 25 15 <br />504 2223 1894 4570 2196 2729 2300 7616 <br />Zn 0.01 0.02 1.1 0.8 0.73 0.25 0.04 <br />TOS, MEAS. 3422 3076 6710 3060 4420 3660 2552 <br /> SATURATION INDI CES <br />Calcite 0.2853 •0.1965 0.0445 0.5365 -0.0028 0.5735 <br />Dolomite 0.4228 •0.6371 0.5272 1.0961 •0.057 <br />Gypsun 0.2962 0.2458 0.2922 0.1837 0.2843 0.2556 0.291 <br />Otavite 0.0715 •0.1688 <br />Cerrusite -0.3438 •0.4651 -0.5963 <br />Fluorite -0.1824 0.1452 •0.5828 -7.206 •0.5093 -0.6793 0.3179 <br />Barite 0.3579 0.6406 <br />Magnesite •0.3576 •0.935 -0.018 0.0728 -0.5481 •0.6853 <br />Rhodochrosite -0.4519 •1.3801 •0.4546 •0.6105 •1.9902 <br />Gibbsite 0.2055 <br />log C02 press. •7.3132 -0.8435 •1.1678 •1.6909 -1.2666 •1.7644 <br />17-45 <br />Revised 04/11/88 <br />