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Table 3. Summary Statistics of Constituent Concentrations from Wells in Vicinity of Logan Wash Mine (Hester, 1983) and LW -001 Mine Water <br />Notes- <br />1: Values as reported by Hester (1983), units assumed to be mg /L and metals are assumed to be dissolved concentrations, <br />(9 alluvial wells, 12 deep bedrock wells (200 to 1,400 ft deep), 15 bedrock wells near retorts, and 2 springs). <br />2: Hester (1983) data reported conductivity, not specific conductivity; LW -001 values are specific conductivity <br />3. Hester (1984) data units for turbidity are unknown. <br />J - Estimated concentration; U - Not detected above the reporting limit; UJ - not detected, reporting limit is estimated, R - Rejected, " -" Not analyzed <br />Page 3 of 3 <br />Wells in Vicinity of Logan Wash Mine' <br />LW -001 Mine Water <br />Parameters <br />Units <br />N <br />Min <br />Max <br />Mean <br />Std Dev <br />Min <br />Max <br />Mean <br />Std Dev <br />Volatile Organic Compounds - BTEX <br />Benzene <br />mg /I <br />0 001 U <br />0.001 U <br />0.001 U <br />0.001 U <br />Ethylbenzene <br />mg /I <br />0 001 U <br />0.001 U <br />0 001 U <br />0.001 U <br />Toluene <br />mg /I <br />0.001 U <br />0.001 U <br />0.001 U <br />0.001 U <br />Xylenes (total) <br />mg /I <br />3.0 U <br />3.0 U <br />3.0 U <br />3.0 U <br />Petroleum Products <br />Total Petroleum Hydrocarbons - <br />Extractable (DRO) <br />mg /I <br />0.21 <br />42 <br />14 <br />24.12 <br />Field Parameters <br />Conductivity, field <br />umhos /cm <br />- <br />- <br />- <br />- <br />- <br />1959 <br />3111 <br />2734 <br />29404 <br />Dissolved oxygen (DO), field <br />mg /I <br />377 <br />0.30 <br />1190 <br />3 82 <br />1.85 <br />3.65 <br />9.4 <br />7 <br />1.19 <br />eH, field <br />millivolts <br />- <br />- <br />- <br />- <br />- <br />1006 <br />194.7 <br />137 <br />50.33 <br />Oxidation reduction potential (ORP), field <br />millivolts <br />-4.7 <br />538 <br />148 <br />99.35 <br />pH, field <br />S. U. <br />1058 <br />4.90 <br />12.00 <br />7.94 <br />0.92 <br />7.06 <br />8.52 <br />8 <br />0.29 <br />Temperature, ambient <br />Deg C <br />- <br />- <br />- <br />- <br />-4 <br />34 <br />19 <br />10.92 <br />Temperature, ambient <br />Deg F <br />- <br />- <br />- <br />- <br />- <br />70 <br />75 <br />73 <br />2.89 <br />Temperature, field <br />Deg C <br />904 <br />2.00 <br />150.00 <br />1360 <br />8.08 <br />7.8 <br />12.62 <br />10 <br />1.73 <br />Turbidity, field <br />NTU' <br />640 <br />0.30 <br />1062500.00 <br />1899.79 <br />4202486 <br />0.08 <br />2.59 <br />1 <br />0.66 <br />Notes- <br />1: Values as reported by Hester (1983), units assumed to be mg /L and metals are assumed to be dissolved concentrations, <br />(9 alluvial wells, 12 deep bedrock wells (200 to 1,400 ft deep), 15 bedrock wells near retorts, and 2 springs). <br />2: Hester (1983) data reported conductivity, not specific conductivity; LW -001 values are specific conductivity <br />3. Hester (1984) data units for turbidity are unknown. <br />J - Estimated concentration; U - Not detected above the reporting limit; UJ - not detected, reporting limit is estimated, R - Rejected, " -" Not analyzed <br />Page 3 of 3 <br />