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0 0 0 <br />TABLE B-3"•PAW-1 Ground Water Well Above Mine Site Summary of Water Quality Data <br />Parameters Year 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 <br />Depth, Mean rase 6.3 6.2 6.4 7.5 6.6 8.6 7.5 7.5 8.3 7.9 6.8 9.8 7.9 8.1 <br />Depth, Minimum feet 6.2 5.7 6.1 6.0 6.5 7.8 7.5 7.0 7.3 7.4 6.0 7.0 7.3 7.9 <br />Depth, Maximum feet 6.7 6.5 7.0 9.2 6.7 11.0 7.6 8.0 9.0 8.3 8.5 17.7 8.5 8.4 <br />pH Mean (field) stenderd 7 7.2 7.2 7.96 8.92 7.45 7.96 8.11 8.2 8.31 8.9 8.88 8.27 8.895 <br />pH, Minimum (field) stenderd 6.6 6.9 6.3 7.2 7.6 7.1 6.8 7.1 7.2 7.86 8.89 8.32 8.14 8.12 <br />H Maximum field standard 8 7.7 8.2 8.6 10.3 7.8 8.9 9.2 8.91 8.61 8.92 9.31 8.4 9.53 <br />H (Lab) standard 7.9 <br />Conductivity, Mean umhos/cm 325.3 336 248.6 183.4 123.5 117.3 203.2 124.7 815 319.25 246 124 191 155.5 <br />Conductivity, Minimum umhos/cm 208 219 207 91 115 9.4 113 84 202 111 64 96 131 110 <br />Conductivity, Maximum umhos/cm 394 414 336 328 129 160 323 169 1519 708 672 157 250 192 <br />Temperature, Mean °c 9.3 8.7 10.2 7.6 9.2 10.4 12.67 14.5 16.2 13.06 13.8 13.3 12.2 9.85 <br />Temperature, Minimum °c 6.5 6 6.5 4.2 6 7.3 10 11 11.9 11.3 7.2 9.3 12 8.6 <br />Temperature, Maximum °C 12 12.4 12.1 10.6 12.4 13.1 15.4 17.6 20.5 17.1 16.8 20.4 12.4 11.1 <br />Dissolved Oxygen m 4.1 4.4 3.7 1.3 <br />Iron (total) mg/1 <.05 <.05 <.05 0.025 0.05 0.08 <.03 0.015 13 0.15 0.32 7.49 15.7 12.1 <br />Iron (total recoverable) mg/1 13.6 <br />Iron dissolved m g/1 <br />0.4 <br />TSS mg/1 49 450 4 22 68 54 30 20 10 56 30 <br />TDS ® 180C mg/1 180 122 153 111 84 64 67 121 90 61 130 110 190 80 <br />TDS (calculated) mg/1 77 198 114 <br />TCS m g/1 20 130 5 120 90 22 <10 51 <br />Carbonate mg/1 <1 <1 <1 0.5 0.5 2 <1 0.5 6 3 <2 <2 <2 <br />Bicarbonate n 1g/1 191 143 150 92 60 64 60 134 73 67 54 160 99 <br />Manganese mg/1 0.18 0.09 0.08 0.02 0.01 0.005 <.01 0.005 0.09 <br />Manganese (total) mg/1 0.013 0.123 0.337 0.052 <br />Manganese dissolved mg/1 0.006 <br />Sodium mg/1 16 15 17 9 9.9 10.1 9 17 12 10 13.6 13.8 <br />Sodium dissolved M g/1 15.2 <br />Chloride mg/l 4.3 1.7 1.2 6.2 2.6 2.1 3.2 3 4.12 4 7 4 4 <br />Sulfate m /I 22 15 20 11 5 5 14 5 3.52 2 12 30 10 <br />Calcium mg/1 40 25 30 18 6.7 5.63 7 11.6 11 6.9 6.2 38.6 <br />Calcium dissolved mg/1 <br />11.8 <br />Magnesium mg/1 9.6 7.1 8.6 5.6 4.5 5.76 5 9.2 7.2 6 5.1 14.1 <br />Magnesium dissolved m g/1 11.8 <br />Potassium mg/1 1.3 1.25 1.36 1.07 0.77 1.04 1 1.51 1.2 0.5 0.7 1.6 <br />Potassium dissolved m g/1 <br />1 4 <br />Hydroxide m9/1 <.05 0.25 0.5 <1 0.5 0.5 <2 <2 <2 <br />Fluoride m g/1 0.2 0.3 0.2 0.2 0.2 0.1 0.21 0.2 0.2 0.3 0.2 <br />Lead mg/1 <.01 <.01 0.005 0.025 0.025 0.05 0.025 <.01 0.025 <.02 0.02 <br />Lead dissolved m /I <,001 <br />Selenium mg/1 <.01 <.01 0.005 0.05 0.05 <.1 0.05 0.001 0.003 <.001 <,001 <br />Selenium dissolved m g/1 <br /><.001 <br />Mercury mg/1 <br />SAR standard 0.59 0.68 0.7 0.48 0.73 0.72 0.62 0.9 0.313 0.67 0.99 0.48 0.75 <br />Settleable Solids mg/1 <br />Zino mg/1 <br />Hardness m g/1 78