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Status Report Robinson Seep Investigation <br />Climax Molybdenum Company <br />Table 3.2: Metal Concentrations - Reconnaissance and Water Sampling Program <br />Parameter <br />PZ -04 <br />RL -17 <br />EVS- <br />004 <br />EVS- <br />005 <br />EVS- <br />006 <br />EVS- <br />007 <br />EVMW- <br />1S <br />' EVMW - <br />1D <br />Toe Drain <br />Piezometers <br />Weir -I <br />Pump <br />House <br />Spring <br />Spring <br />Toe <br />Drain <br />Monitoring Wells <br />Downgradient of <br />Cutoff Wall <br />Electrical <br />Conductivity <br />(NS /cm) <br />1,940 <br />1,929 <br />315 <br />282 <br />1,491 <br />1,837 <br />1,371 <br />1,010 <br />pH (S.U.) <br />8.2 <br />8.0 <br />7.8 <br />8.2 <br />7.5 <br />7.5 <br />7.5 <br />7.8 <br />Total Alkalinity <br />51 <br />91 <br />58 <br />111 <br />75 <br />73 <br />208 <br />103 <br />Total Dissolved <br />Solids <br />2,340 <br />2,080 <br />200 <br />170 <br />1,610 <br />1,920 <br />1,070 <br />720 <br />Aluminum <br />0.52 <br />0.1 <br />0.04 <br /><0.03 <br />0.2 <br />0.56 <br /><0.03 <br /><0.03 <br />Antimony <br /><0.0004 <br /><0.0004 <br /><0.0004 <br /><0.0004 <br /><0.0004 <br /><0.0004 <br /><0.0004 <br /><0.0004 <br />Arsenic <br /><0.0002 <br />0.0007 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br />Barium <br />0.029 <br />0.049 <br />0.036 <br />0.032 <br />0.024 <br />0.021 <br />.017 <br />.043 <br />Beryllium <br />0.0016 <br />0.00023 <br /><0.00005 <br /><0.00005 <br />0.00052 <br />0.00085 <br /><0.00005 <br /><0.00005 <br />Cadmium <br />0.0006 <br />0.0006 <br />0.0002 <br />1 <0.0001 <br />0.0004 <br />0.0008 <br />1 <0.0001 <br /><0.0001 <br />Calcium <br />467 <br />438 <br />45 <br />42 <br />330 <br />414 <br />200 <br />76 <br />Chloride <br />11 <br />11 <br />1 <br />1 <br />8 <br />10 <br />5 <br />6 <br />Chromium <br /><0.0005 <br /><0.0005 <br /><0.0005 <br /><0.0005 <br /><0.0005 <br /><0.0005 <br /><0.0005 <br /><0.0005 <br />Cobalt <br />0.0277 <br />0.0242 <br />0.0004 <br />0.0002 <br />0.0098 <br />0.0094 <br />0.00074 <br />0.00031 <br />Copper <br />0.0016 <br />0.0014 <br />0.0021 <br />0.0023 <br /><0.0005 <br /><0.0005 <br />0.0007 <br />0.0007 <br />Fluoride <br />5.3 <br />5.7 <br />1.2 <br />1 0.9 <br />5.7 <br />6.7 <br />0.2 <br />0.2 <br />Iron <br />3.7 <br />6.26 <br />0.04 <br /><0.02 <br />4.77 <br />0.4 <br />2.41 <br /><0.02 <br />Lead <br /><0.0001 <br />0.0003 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br />Magnesium <br />88.9 <br />72.2 <br />12.6 <br />10.5 <br />64.3 <br />59.2 <br />66.5 <br />30.1 <br />Manganese <br />14.4 <br />17.7 <br />0.031 <br /><0.005 <br />8.18 <br />4.4 <br />0.893 <br />0.069 <br />Mercury <br /><0.0002 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br /><0.0002 <br />Molybdenum <br />2.7 <br />2.2 <br />0.5 <br />0.1 <br />2.8 <br />1.7 <br />0.43 <br /><0.02 <br />Nickel <br />0.0254 <br />0.0203 <br />0.001 <br /><0.0006 <br />0.0078 <br />0.0121 <br />0.0006 <br />0.0023 <br />Nitrate /Nitrite <br />as N <br />0.06 <br />0.03 <br /><0.02 <br />0.18 <br />0.18 <br />1.57 <br /><0.02 <br /><0.02 <br />Potassium <br />27 <br />33 <br />2 <br />2 <br />26 <br />31 <br />2.4 <br />2.1 <br />Selenium <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001 <br />Silver <br /><0.01 <br /><0.01 <br /><0.01 <br /><0.01 <br /><0.01 <br /><0.01 <br /><0.01 <br /><0.01 <br />Sodium <br />40 <br />36 <br />2 <br />1 <br />29 <br />34 <br />25.1 <br />100 <br />Sulfate <br />1,800 <br />1,500 <br />92 <br />43 <br />1,100 <br />1,400 <br />580 <br />410 <br />Thallium <br /><0.0001 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br /><0.0001 <br />Vanadium <br />0.011 <br />0.009 <br /><0.005 <br /><0.005 <br />0.014 1 <br />0.009 <br /><0.005 <br /><0.005 <br />Zinc 1 <br />0.01 1 <br />0.01 <br />0.03 <br />0.01 <br /><0.01 1 <br />0.03 <br /><0.01 <br /><0.01 <br />Notes: <br />1. Data collected June 18, 2013, except for EVMW -1 S and EVMW -1 D collected June 28, 2013 <br />2. All values are in mg /L except when specified <br />3. Electrical Conductivity and pH are field data <br />Tetra Tech, Inc. November 2013 30 <br />