Laserfiche WebLink
' farsuarv ?000 Kerr Coa( Company • 1999 Annna! Hydro(oAy Report * CO Permrt Na. C-80-006 ~ Page 6 <br /> <br />1 <br /> <br />1 <br />t <br />1 <br /> <br /> <br />LJ <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />TABLE 2 <br />HISTORIC MINE AREA COAL AQUIFER WATER QUALITY DATA <br />SITE 79-61 <br />Parameters 1995 1996 1997 1998 1999"' <br />Tem (°CI 8 7.1 8.4 9.5 9.2 <br />H Isul 7.5 7.7 8.2 8.0 7.9 <br />E.C. 1 mhos/cml @ 20° C 550 643 1165 1035 1130 <br />TDS 437 543 710 670 740 <br />SAR lin water) 6.99 5.33 9.71 7.63 <br />Calcium Idissolvedl 20 37.4 43.3 47.5 43.9 <br />Sodium Idissolvedl 134 144 227 200 219 <br />Ma nesium Idissolvedl 6.0 10.3 11.9 13.1 12.1 <br />Potassium Idissolvedl 2.0 2.8 3.1 3.5 3.1 <br />Sulfate 22 59 66 70 30 <br />Chloride 7 14 20 55 12 <br />Carbonate (as CaC03) <2 <2 3.5 5.5 <2 <br />Bicarbonate las CaC031 355 375 562 503 566 <br />Fluoride 1.2 1.0 1.3 1.0 1.0 <br />Nitrate-Nitro en Idissolvedl 0.04 <0.2 <0.02 <0.02 <0.2 <br />Iron Idissolvedl 0.32" 0.29 0.07 0.03 0.01 <br />Man anese Idissolvedl <0.01'~' 0.05 0.02 0.02 0.02 <br />Aluminum Idissolvedl <0.05 <0.03 0.06 <0.03 <0.03 <br />Barium Idissolvedl 0.3 0.39 0.35 0.49 0.46 <br />Boron Idissolvedl 0.17 0.18 0.17 0.20 0.19 <br />Cadmium (dissolved) <0.005 <0.003 <0.003 <0.003 <0.003 <br />Chromium Idissolvedl <0.01 <0.01 <0.01 <0.01 <0.01 <br />Copper Idissolvedl <0.01 <0.01 <0.01 <0.01 <0.01 <br />Lead Idissolvedl <0.02 <0.02 <0.02 <0.04 <0.04 <br />Mercur (dissolved) <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <br />Molybdenum Idissolvedl <0.01 <0.01 <0.01 <0.01 <0.01 <br />Nickel (dissolved) <0.02 <0.01 <0.01 <0.01 <0.01 <br />Phos horns lortho dissolved) 0.54 0.53 0.40 0.47 0.35 <br />Vanadium (dissolved) <0.01 <0.005 <0.005 <0.005 <0.005 <br />Notes: All values represent mean annual values in mg/I unless otherwise noted. <br />"' 1999 values are based on October 1998 sampling event only. No additional sampling <br />performed. <br />'~' On 4/4/95, the laboratory reported total recoverable Fe and Mn instead of dissolved <br />values. These values were not included in the 1995 mean annual values reported in this <br />table. <br />Montgomery Wauon * /? O. Box 774018 * SteamEroot Springt, Colorado 80477 * X970) 879-6260 <br />' W.16JlUuuu~Rgort\1999\1991 N}Irolop R9on <br />1/d)/W1m/ <br />