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I' Manb 2004 Ken Coal Company * 2003 Annua! Hydmlogy Report * CO Pern+i! No. C-80-006 ~ Page 12 <br />TABLE 4 <br />+: HISTORIC LOADOUT AREA ALLUVIAL WATER QUALITY DATA - <br />.. <br />SITE AP-1. <br />Parameters 1997 1998 1999 2000 2001 2002 2003 <br />Tem °C 8.6 9.5 11.0 10.0 10.3 13.3 13 <br />H su 7.8 7.8 7.9 7.9 8.0 8.0 8.0 <br />E.C. mhos/cm ~ 20°C 500 467 417 400 400 383 344 <br />TDS 363 340 307 303 297 295 296 <br />SAR in water 0.53 0.56 0.64 0.71 0.69 0.61 0.61 <br />Calcium dissolved 55.3 47.4 45.3 44.3 45.1 45.5 44.9 <br />Sodium dissolved 22.1 21.6 23.8 25.8 25.1 22.5 22.3 <br />Ma nesium dissolved 47.8 40.9 37.7 35.3 34.6 35.6 34.8 <br />Potassium dissolved 1.2 1.1 1.1 1.0 1.2 1.2 1.0 <br />Sulfate 36.7 33.3 30.0 33.3 27 20 36 <br />Chloride 9.0 6.7 4.7 4.3 5 4 4 <br />Carbonate as CaC03 <2 <2 3.7 <2 <2 <2 <2 <br />Bicarbonate as CaC03 324 297 281 268 284 259 252 <br />Fluoride 0.6 0.5 0.5 <br />Nitrate•Nitrogen <br />dissolved <0.02 <0.02 0.07 0.03 0.03 0.26 0.11 <br />Iron dissolved 0.09 0.19 0.17 0.12 0.27 0.11 0.32 <br />Man anese dissolved 0.918 0.581 0.574 0.427 0.450 0.463 0.452 <br />Aluminum dissolved <0.03 <0.03 0.023 <br />Barium dissolved 0.09 0.092 0.085 <br />Boron dissolved 0.05 0.05 0.05 <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 <0.04 <0.04 <0.04 <br />Mercu dissolved <0.0002 <0.0002 <0.0002 <br />Mol bdenum dissolved <0.01 <0.01 <0.01 <br />Nickel dissolved <0.01 <0.01 <0.01 <br />Phosphorus (ortho <br />dissolved <0.005 0.009 D.004 <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 <br />as of 2000. <br />MIY/H * 7475 Pine Grove Rd., Ste. 709, * Steamboat Sfrrngg Colorado 80477 * (970J 879-6260 <br />LL":\RR1.lrn fal~efT/IS.W Hide Wpu\hqi\TXIi HJAJy Ryon <br />urn/w.n <br />