1990-03-27_REPORT - C1981013 (5)

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TABLE 2-9 WYOMING FUEL COMPANY NEW ELK/GOLDEN EAGLE MINES Groundwater PAW-7 Data Minimum Maximum Mean Minimum Maximum Mean Entry Value Value Average Value Value Average SAMPLING DATE 1988 1988 1988 1989 1989 1989 Parameter Units -------------------------- ----- Water Level feet 6.60 6.90 6.75 7.50 13.00 9.83 pH standard 7.10 8.20 7.60 7.30 8.80 8.17 Conductivity umhos/cm 922.00 1283.00 1045.67 1152.00 1559.00 1310.83 Temperature 0 C 8.90 14.40 12.33 5.20 14.80 10.32 Dissolved Oxygen ppm - - - - - - Iron mg/l 0.03 0.05 0.04 0.08 0.08 0.08 TSS mg/l 660.00 2790.00 1725.00 1280.00 2490.00 1885.00 TDS mg/l 555.00 784.00 669.50 748.00 807.00 777.50 TCS mg/l 328.00 470.00 399.00 388.00 524.00 456.00 Carbonate mg/l 0.50 0.50 0.50 ERR Bicarbonate mg/l 610.00 840.00 725.00 790.00 870.00 830.00 Manganese mg/l 0.01 0.07 0.04 0.01 0.27 0.14 Sodium mg/l 83.00 280.00 181.50 248.00 251.00 249.50 Chloride mg/t 8.10 8.10 8.10 ERR Sulfate mg/l 16.00 16.00 16.00 ERR Calcium mg/l 31.00 83.00 57.00 ERR Magnesium mg/l 9.00 26.00 17.50 ERR Potassium mg/l 1.14 2.42 1.78 ERR Hydroxide mg/l 0.00 0.00 0.00 0.25 0.25 0.25 Fluoride mg/t 0.40 3.80 2.10 3.50 3.60 3.55 Lead mg/I 0.03 0.03 0.03 ERR Selenium mg/l 0.01 0.05 0.03 0.01 0.05 0.03 SAR standard 11.40 11.40 11.40 ERR