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Table 8 <br />Comparison of Quality of Mine Discharge and Stonewall Water Quality <br /> Stonewall New Elk Discharge (MDNE) Golden Eagle Discharge (GE-002) <br />Parameter* Min Max Mean Min Max Mean Min Max Mean <br />Alkalinity (CaCO,), mg/I 46 170 105 N/A N/A N/A N/A N/A N/A <br />Bicarbonate, mg/I 56 150 l 19 730 902 770 38 886 727 <br />Boron, mg/I 0 0.040 0.019 N/A N/A N/A N/A N/A N/A <br />Calcium, mg/l 23 51 38 N/A N/A 8.7 2.7 7.25 4.3 <br />Chloride, mg/I 0.6 2.4 1.4 N/A N/A 6.7 5.7 62 18.9 <br />Fluoride, mg/I 0.2 0.5 0.3 N/A N/A 1.3 1.2 5.5 3.6 <br />Iron (total), mg/I 0.02 1.40 0.44 0.06 0.47 0.17 0.07 2.65 0.67 <br />Magnesium, mg/I 2.3 12 7.4 N/A N/A 3.6 0.72 2.2 I.5 <br />Manganese, mg/l 0 0.04 O.Ol2 < 0.01 0.01 0.01 0.005 0.06 0.014 <br />pH, S.U. 7.4 8.4 8.0 7.3 8.4 7.9 7.17 9.6 8.42 <br />Potassium, mg/l 0.9 2.7 1.4 N/A N/A 4.9 1.0 2.6 1.8 <br />Selenium, mg/I - - - N/A N/A 0.014 0.0025 0.05 < 0.029 <br />Sodium, mg/1 2.l 20 9.0 354 397 377 270 408 322 <br />Specific Conductivity (µmhos/cm) 125 415 289 1394 1729 1618 133 2185 1252 <br />Sulfate, mg/I I l 61 36 N/A N/A 203 5 26 13.8 <br />To!a1 Dissolved Cnliric mg/I 71 253 166 967 1412 1103 106 2250 815.5 <br />Zinc (total), mg/1 0 0.02 0.016 N/A N/A N/A N/A N/A N/A <br />* Concentrations are of dissolved species (mg/l) unless otherwise noted. <br />• • • <br />