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July 2014 1400159 Table 7: Summary of Monitoring Results for MW-7 Date 3/19/2013 5/29/2013 8/27/2013 11/14/2013 2/18/2014 5/21/2014 Metals Arsenic Dissolved m /L 0.010 0.010 B 0.011 0.008 B 0.015 0.009 B Barium Dissolved m /L 0.16 B 0.14 B 0.33 2.08 1.78 3.52 Boron, Dissolved m L 0.6 0.9 0.79 0.75 0.75 0.7 Chromium Dissolved m /L <0.01 U <0.02 U 0.009 B <0.02 U <0.02 U <0.02 U Copper, Dissolved m /L <0.5 U <0.5 U <0.3 U <0.3 U <0.3 U <0.5 U Iron Dissolved m /L 1.6 3.4 1.5 2.9 2.9 2.8 Lead, Dissolved m /L <0.003 U <0.005 U <0.005 U <0.005 U <0.005 U <0.005 U Manganese, Dissolved m /L 0.27 0.66 0.51 0.61 0.53 0.41 Selenium, Dissolved m /L 0.0025 0.006 <0.003 U 0.002 B 0.001 B 0.001 B Thallium Dissolved m /L <0.003 U <0.005 U <0.005 U <0.005 U <0.005 U <0.005 U Zinc, Dissolved m /L <0.5 U <0.5 U <0.3 U1 <0.3 U <0.3 U <0.5 U Other Chloride m /L 3,701 5,280 6 040 6,430 6,030 6,510 Fluoride m L 1.3 1.0 1.1 1.1 1 1.04 Lab pH s.0 8.1 H 8.0 H 7.9 H 7.9 H 8 H 7.6 H Total Dissolved Solids,filterable residue m /L 8,640 11,500 10,200 H 10,700 H 10,300 10 600 H Sulfate m /L 1,589 1,240 510 1 130 B 104 B 60.9 B Supplementary Anal es Bicarbonate as CaCO3 m /L 458 596 696 715 838 822 Carbonate as CaCO3 m /L <20 U <20 U <20 U < 20 U <20 U <20 U Calcium, Dissolved m /L 105 142 103 72 67.8 58 Magnesium, Dissolved m /L 40 43 30 25 22 21 Potassium, Dissolved m /L 11 B 13 B 12 1 11 10 10 Sodium, Dissolved m /L 3,200 4,150 4,720 1 4,280 4,020 4,350 Notes: B= Estimated value, less than the practical quantitation limit for that analyte, but greater than the method detection limit U =Analyte not detected, reported less than the practical quantitation limit H =Analysis exceeded method hold time. pH is a field test with an immediate hold time. ti Golder I:\14\1400159\0110\BcettcherQuarry GWSamp Q2 2014_Fnl-29JuI I MTables\Tables 1-7 DalaRequest_Tables 1-7.xIsxMW-7 OAssociates