1990-03-27_REPORT - C1981013 (5)

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TABLE 1-14 WYOMING FUEL COMPANY NEW ELK/GOLDEN EAGLE MINES Surface Water PRS-1 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 0.20 0.60 0.35 Flow cfs 5.9 52.7 19.7 5.5 81.7 25.3 7.2 122 28 5.34 63.97 22.62 3.17 116.2 23.31 17.26 17.60 17.43 PH standard 7 8.1 7.6 7.2 8.3 7.4 6.3 8.2 7.4 7.3 8 7.66 6.4 8.8 8.19 6.90 9.20 8.16 Conductivity u hos/cm 109 360 261 160 350 282 143 353 264 179 467 344.75 229 411 315.45 280.00 590.00 355.13 Temperature 0 C 0.1 17.9 8.1 0.6 17.9 7.5 1.8 15.9 7.5 0 19.3 6.89 0.3 18.2 9.15 0.60 22.50 10.10 Dissolved Oxygen ppm 16.9 14.5 1.8 12.4 8.35 6.8 13 9.21 5.00 12.70 9.38 Iron mg/t 0.47 0.17 0.21 0.06 0.22 0.10 TSS mg/l 25 11 4 2 4 10.00 TDS mg/l 203 207 180 228 172 177.00 TCS mg/l 30 15 18 14 51 10.00 carbonate mg/l <1 <1 <1 0.5 0.5 1.00 Bicarbonate mg/t 169 153 159 172 154 141.00 Manganese mg/l 0.08 <.01 0.01 0.01 0.02 0.01 Sodium "A 7.9 8.3 7.1 8.7 7.5 6.60 Chloride mg/t 3.5 1.2 1.1 6 1.6 1.20 Sulfate mg/l 43 48 39 44 34 31.00 Calcium mg/l 50 46 44 51 46 43.00 Magnesiurn mg/l 9.4 9.3 7.9 10.1 8.9 7.30 Potassium mg/l 1.21 1.18 0.93 1.01 1.17 0.92 Hydroxide mg/l - - <.05 0.25 - 0.50 Fluoride mg/t 0.1 0.2 0.2 0.30 Lead mg/l <.01 <.01 0.005 0.025 0.03 Selenium mg/t <.01 - <.01 0.005 0.05 0.05 SAR standard 0.27 0.29 0.26 0.29 0.27 0.24