1990-03-27_REPORT - C1981013 (5)

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TABLE 1-14 WYOMING FUEL COMPANY NEW ELK/GOLDEN EAGLE MINES Surface Water PRS-2 Data Minimum Maximum Mean Minimum Maximum Mean Minimum Maximum Mean Minimum Maximum Mean Minimum Maximum Mean Minimum Maximum Mean Entry Value Value Average Value Value Average Value Value Average Value Value Average Value Value Average Value Value Average SAMPLING DATE 1984 1984 1984 1985 1985 1985 1986 1986 1986 1987 1987 1987 1988 1988 1988 1989 1989 1989 Parameter Units ----- Staff Gauge feet 1.20 2.60 1.62 Flow cfs 11.8 180.8 46.9 15.8 87.5 - 18.8 90 47.68 6.53 78 35.43 5.9 95 28.40 18.45 37.40 27.92 PH standard 7.2 8.2 7.7 7.3 8.3 7.8 7.1 8.4 7.8 6.3 8.4 7.56 7.5 8.8 8.30 7.10 9.30 8.56 Conductivity umhos/cm 144 415 287 175 364 277 176 364 277 181 497 357.50 225 386 304.27 299.00 610.00 376.33 Temperature 0 C 0.3 15.2 8.3 0.4 19.5 8.1 0 14.7 8.1 0 18.1 9.33 0.7 22.8 11.32 0.00 23.10 8.97 Dissolved Oxygen PPm 17.9 14.1 - 1.3 13.3 7.77 6.3 13.4 8.27 4.90 14.50 9.83 Iron mg/t 0.66 0.13 0.44 0.29 0.29 0.29 0.2 0.2 0.2 0.21 0.21 0.21 TSS mg/l 30 10 10 4 7 5.00 TDS mg/t 220 199 179 215 184 191.00 TCS mg/t <10 11 34 23 38 67.00 Carbonate mg/l <1 3 <1 0.5 0.5 2.00 Bicarbonate mg/t 183 156 149 152 174 162.00 Manganese mg/l 0.19 <.01 0.02 0.03 0.02 0.02 Sodium mg/t 17 8.3 7.1 9.6 8.6 9.00 Chloride mg/l 3.7 1.2 1 5.8 1.4 1.30 Sulfate mg/l 34 43 32 40 29 26.00 Calcium mg/t 47 46 44 49 47 46.00 Magnesium mg/l 9.7 9.1 8.1 9.8 8.5 7.96 Potassium mg/l 1.13 1.08 0.82 0.97 0.88 1.01 Hydroxide mg/l - - <.05 0.25 0.50 Fluoride mg/t 0.1 0.2 0.2 0.30 Lead mg/t <.01 <.01 0.005 0.025 0.03 Selenium mg/t <.01 - <.01 0.005 0.05 0.05 SAR standard 0.59 0.29 0.26 0.33 0.31 0.32