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I , M nh 2004 Ken Coa! Company * 2003 Annao! Hydrokpy Report * CO Permit No. C-80-006 ~ PaQe 13 <br />-_ TABLE 5. t <br />- HISTORIC LOADOUT AREA ALLUVIAL WATER OUALiTY DATA ~~ . ~> <br />. .. ,SITE AP-2 > ; ~ ap, <br />Parameters 1997 1998 1999 2000 2001. - 2002 - ~, :' ,':, <br />~ <br />~. <br />' 2003 <br />Tem °C 10.6 12.5 11.0 10.0 10.7 12.7 13 <br />H su 7.9 7.8 7.9 7.9 7.9 8.0 8.0 <br />E.C.(µmhos/cm) ~ <br />20°C 571 517 483 500 433 471 480 <br />TDS 373 333 340 397 333 393 508 <br />SAR in water 1.01 0.82 0.77 1.11 0.76 1.03 1.49 <br />Calcium dissolved 54.6 53.8 56.3 57.4 51.9 53.7 61.7 <br />Sodium dissolved 38.9 31.7 30.1 44.9 29.0 40.0 67.5 <br />Ma nesium dissolved 36.8 36.7 37.1 39.7 35.1 36.5 44.1 <br />Potassium dissolved 1.8 2.8 1.7 1.9 1.8 1.9 1.9 <br />Sulfate 40 30 37 33 30 37 82 <br />Chloride 7 9 9 7 7 8 10 <br />Carbonate as CaC03 <2 <2 <2 <2 <2 <2 <2 <br />Bicarbonate (as <br />CaC03 320 294 307 348 302 322 392 <br />Fluoride 0.40 0.37 0.4 - <br />Nitrate-Nitrogen <br />dissolved 0.03 0.02 0.06 0.04 0.01 0.14 0.09 <br />Iron dissolved 0.10 0.13 0.06 0.26 0.24 0.16 0.19 <br />Man anese dissolved 0.56 0.29 0.15 0.30 0.20 0.22 0.381 <br />Aluminum dissolved <0.03 <0.03 0.02 <br />Barium dissolved 0.12 0.13 0.12 <br />Boron dissolved 0.05 0.05 0.06 <br />Cadmium dissolved <0.003 <0.003 <0.003 <br />Chromium dissolved <0.01 <0.01 <0.01 <br />Co er dissolved <0.01 <0.01 <0.01 <br />Lead dissolved <0.2 <0.04 <0.04 <br />Mercu dissolved <0.0002 <0.0002 <0.0002 <br />Molybdenum <br />dissolved <0.01 <0.01 <0.01 <br />Nickel dissolved <0.01 <0.01 <0.01 <br />Phosphorus (ortho <br />dissolved 0.01 <0.005 0.008 <br />Vanadium dissolved <0.005 <0.005 <0.005 <br />Notes: All values represent mean values in mg/I unless otherwise noted. Monitoring program parameter list reduced as <br />of 2000. <br />MWH * 1475 Aine Grave Rd, Ste. 109, * Steamboat Spnngr, Colorado 80477 * (970) 879-6260 <br />Ir:\WNl:xr(rARJJ\Aamd HlMWpn~\HOi\XOi H~/.rty I4pn <br />I/19/M M <br />