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April 2015 <br />n <br />a <br />Table 3: Summary of Monitoring Results for MW -3 <br />1520788 <br />Date <br />Benchmark <br />Level <br />Benchmark B2013 <br />2/18/2014 <br />5/21/2014 <br />8/27/2014 <br />11/11/2014 <br />2118/2015 <br />Metals <br />Arsenic, Dissolved (mg/L <br />0.062 <br />Statistical Lir2 U <br />0.0009 B <br />0.0005 B <br />NA <br />NA <br />NA <br />Barium, Dissolved (mg /L) <br />2.0 <br />Regulatory U5 <br />2.31 <br />2.02 <br />2.23 <br />2.62 <br />2.25 <br />Boron, Dissolved (mg /L) <br />0.75 <br />Statistical Lirb <br />0.74 <br />0.76 <br />0.76 <br />0.78 <br />0.81 <br />Chromium, Dissolved (mg/L <br />0.1 <br />Regulatory Li4 U <br />< 0.004 U <br />< 0.004 U <br />NA <br />NA <br />NA <br />Copper, Dissolved (mg/L <br />0.2 <br />Statistical Lir6 U <br />< 0.05 U <br />< 0.05 U <br />NA <br />NA <br />NA <br />Iron, Dissolved (mg/L <br />0.3 <br />Regulatory U4 <br />0.19 <br />0.30 <br />0.29 <br />0.29 <br />0.79 <br />Lead, Dissolved (mg/L <br />0.05 <br />Regulatory Lid U <br />< 0.001 U <br />0.0002 B <br />NA <br />NA <br />NA <br />Lithium, Dissolved (mg/L <br />2.5 <br />Statistical LirA <br />NA <br />NA <br />NA <br />NA <br />NA <br />Manganese, Dissolved (mg/L <br />0.08 <br />Statistical Lirl <br />0.043 <br />0.05 <br />0.05 <br />0.061 <br />0.054 <br />Selenium, Dissolved (mg/L <br />0.02 <br />Statistical Lira B <br />< 0.0005 U <br />0.0002 B <br />NA <br />NA <br />NA <br />Thallium, Dissolved (mg/L <br />0.01 <br />Statistical Lirl U <br />< 0.001 U <br />< 0.001 U <br />NA <br />NA <br />NA <br />Uranium, Dissolved (mg/L <br />0.03 <br />Statistical LirA <br />NA <br />NA <br />NA <br />NA <br />NA <br />Zinc, Dissolved (mg /L) <br />2.0 <br />Statistical Lir5 U <br />0.02 B <br />< 0.05 U <br />NA <br />NA <br />NA <br />Other <br />Chloride (mg/L <br />1,620 <br />Statistical LirO <br />1,570 <br />1,580 <br />1,520 <br />1,540 <br />1,530 <br />Fluoride (mg /L) <br />3.6 <br />Statistical Lir3 <br />2.4 <br />2.4 <br />NA <br />NA <br />NA <br />Nitrate as N (mg/L <br />10 <br />Statistical Llrq <br />NA <br />NA <br />NA <br />NA <br />NA <br />Nitrite as N (mg/L <br />1.0 <br />Statistical Lir4 <br />NA <br />NA <br />NA <br />NA <br />NA <br />Nitrate +Nitrite as N (mg /L) <br />10 <br />Statistical 1-0 1, <br />NA <br />NA <br />NA <br />NA <br />NA <br />Lab pH (s.u) <br />7.6 -9.3 <br />Statistical Lir4 H <br />8.4 H <br />8.3 H <br />8.3 H <br />8.4 H <br />8.2 H <br />Total Dissolved Solids, filterable residue m /L <br />4,546 <br />Regulatory Li0 H <br />3 890 <br />3,910 H <br />3,920 <br />1 3,890 <br />3,920 <br />Sulfate (mg /L) <br />250 <br />Regulatory Lib U <br />< 125 U <br />< 125 U <br />< 125 U <br />< 125 U <br />< 125 U <br />Gross Alpha Ci /L <br />15 <br />Regulatory LiA <br />NA <br />NA <br />NA <br />NA <br />NA <br />Gross Beta Ci /L <br />none <br />a <br />NA <br />NA <br />NA <br />NA <br />NA <br />Supplementary Anal es Not Historical) anal zed <br />Bicarbonate as CaCO3 (mg/L <br />none <br />0 <br />1,220 <br />982 <br />1,270 <br />1,260 <br />NA <br />Carbonate as CaCO3 (mg/L <br />none <br />37 <br />57 <br />< 20 U <br />41.6 <br />NA <br />Calcium, Dissolved (mg/L <br />none <br />8 <br />6.7 <br />7.2 <br />6.7 <br />7.7 <br />8.7 <br />Magnesium, Dissolved (mg/L <br />none <br />8 <br />3 <br />3.1 <br />3.4 <br />3.2 <br />3.3 <br />Potassium, Dissolved (mg/L <br />none <br />9 <br />4.0 <br />3.8 <br />4.0 <br />4.1 <br />4.0 <br />Sodium, Dissolved (mg/L <br />none <br />0 <br />1,570 <br />1,610 <br />1,500 <br />1,490 <br />1,430 <br />Notes: <br />B = Estimated value, less than the practical quantitation limit for that analyte, but gn <br />U = Analyte not detected, reported less than the practical quantitation limit <br />H = Analysis exceeded method hold time. pH is a field test with an immediate hold t <br />NA = Analyte not analyzed <br />Values in Bold exceeded benchmark levels <br />Determination of benchmark levels presented in Golder 2011, Results of the Septet <br />Y <br />\15 \15207BB�A110\BcettcherGWSartp <br />Golder <br />qu <br />142015_1n1WIApr15 \Tables \Tables1- 7WI.11 est_Tables 1 -7 xlsxMW3 & <br />Associates <br />