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Kerr Coal - 2004 Annual Hydrology Report <br />TABLE 4 -SITE AP-i <br />HISTORIC I.OADOUT AREA ALLUVIAL WATER QUALITY DATA <br />February, 2005 <br />Parameters 1997 1998 1999 2000 2001 2002 2003 2004 <br />Tem °C 8.6 9.5 11.0 10.0 10.3 13.3 12.0 12.0 <br />H su 7.8 7.8 7.9 7.9 8.0 8.0 7.9 7.9 <br />EC mhos/cm 20°C 500 467 417 400 400 383 300 233 <br />TDS 363 340 307 303 297 295 293 290 <br />SAR in water 0.53 0.56 0.64 0.71 0.69 0.61 0.60 0.60 <br />Calcium dissolved 55.3 47.4 45.3 44.3 45.1 45.5 43.7 44.1 <br />Sodium dissolved 22.1 21.6 23.8 25.8 25.1 22.5 22.3 21.4 <br />Ma nesium dissolved 47.8 40.9 37.7 35.3 34.6 35.6 34.6 33.9 <br />Potassium dissolved 1.2 1.1 1.1 1.0 12 1.2 1.0 0.9 <br />Sulfate 36.7 33.3 30.0 33.3 27 20 43.3 23.3 <br />Chloride 9.0 6.7 4.7 4.3 5 4 3.3 3.0 <br />Carbonate as CaC03 <2 <2 3.7 <2 <2 <2 <2 <2 <br />Bicarbonate as CaC03 324 297 281 268 284 259 249 270 <br />Fluoride 0.6 0.5 0.5 <br />Nitrate-Nitro en diss <0.02 <0.02 0.07 0.03 0.03 0.26 0.02 0.01 <br />Iron dissolved 0.09 0.19 0.11 0.12 0.27 0.11 0.42 0.24 <br />Man anew dissolved 0.918 0.581 0.574 D.427 0.45D 0.463 0.499 0.352 <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 <O.Ot <br />Co er dissolved <0.01 <0.01 <D.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 />Phos horns ortho diss <0.005 0.009 0.004 <br />Vanadium dissolved <0.005 <0.005 <0.005 <br />Notes: All values represent water year mean values in mg/I unless otherwise noted. <br />