2019-03-05_REVISION - M1977348 (5)

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March 2019 18107649 Table 7:Summary of Monitoring Results for MW-6 ' Date Interim Narrative Standard 3119/2013 5/28/2013 812712013 1111412013 2/18/2014 5/21/2014 8/27/2014 11111/2014 2/18/2015 5/27/2015 8/27/2015 11/9/2015 2/1512016 5/31/2016 8I16/2016 11/912016 Meals ' Arsenic,Dissolved(mg/L) 0.01 0.002 B -0.01 U <0.01 U <0.01 U 0.004 B 0.007 NA NA NA NA NA NA NA NA NA NA Barium,Dissolved m/L) 2 0.97 3.22 3.56 4.12 5.95 3.32 3.46 4.37 7.37 7.47 8.74 8.12 8.34 8.26 8.42 8.25 Boron,Dissolved(m/L 0.75 0.6 0.7 0.6 0.6 0.58 0.7 0.6 0.7 0.6 B 0.6 0.65 0.6 0.57 0.5 0.5 0.55 Chromium,Dissolved m/L 0.1 <0.01 U <0.02 U 0.018 B <0.02 U <0.02 U <0.01 U NA NA NA NA NA NA NA NA NA NA Copper,Dissolved m/L 0.2 <0.5 U <0.5 U <0.5 U <0.3 U <0.3 U <0.5 U NA NA NA NA NA NA NA NA NA NA Iron,Dissolved m/L 0.3 1.0 1.3 0.6 0.6 0.6 2.1 1.9 1.3 2.5 4.1 3.9 5.2 5.3 5.5 5.4 5 m' Lead,Dissolved IL 0.05 <0.003 U <0.005 U <0.005 U <0.005 U <0.005 U <0.003 U NA NA NA NA NA NA NA NA NA NA Lithium,Dissolved m/L 2.5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Mangan Dissolved m IL 0.05 0.33 0.29 B 0.2 B 0.19 0.19 0.21 B 0.2 B 0.25 B 0.3 B 0.31 0.39 0.42 0.45 0.37 0.35 0.31 Selenium,Dissolved m IL 0.02 0.0048 0.007 0.0016 0.002 B 11% 1 B 0.0033 NA NA NA NA NA NA NA NA NA NA Thallium,Dissolved m/L 0.002 <0.003 U <0.005 U <0.005 U <0.005 U <0.005 U -0.003 U NA NA NA NA NA NA NA NA NA NA Uranium,Dissolved m/L 0.03 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Zinc,Dissolved m/L 2 <0.5 U <0.5 U <0.5 U <0.3 U <0.3 U <0.5 U NA NA NA NA NA NA NA NA NA NA ' Otlrar Chloride m/L 250 5.090 5,680 6.080 U 5.860 6,020 6,520 5,610 1 6,110 5,960 5,680 5,880 5,800 5,590 5,520 6,050 5620 Fluoride m/L 2 1.3 1.4 1.4 1.3 1.3 1.25 NA NA NA NA NA NA NA NA NA NA Lab H s.0 6.5-8.5 8.1 H 8.2 H 8.2 H 8.2 H 8.2 H 7.9 H 8.0 H 8.1 H 7.7 H 7.8 H 7.8 H 7.7 H 7.78 7A H 7.6 H 7.7 H Total Dissolved Solids,filterable residue m/L 1.25 x Back round' 9 110 10 200 9 340 H 10,100 H 10 900 8,800 H 9,350 10,400 10,600 10,300 ^ 8,840 ^ 10,200 9,780 10,800 10,400 10500 Sulfate(mg m/L 250 249.7 <250 U <250 U 98.6 B <250 U 52.5 B <250 U <250 U <250 U <250 U <250 U <250 U <250 U <250 U <250 U <250 U ' Gross Alpha Ci/L 15 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Gross Beta Ci/L NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA S Mal Aluminum,Dissolved MQ Nnone NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Antimon Dissolved m/L NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Be Ilium,Dissolved m/L NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Bicartonate as CaCO3 m/L 463 507 513 529 558 580 608 632 NA 656 673 702 691 736 716 715 Carbonate as CaCO3 m/L <20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U NA <20 U <20 U <20 U <20 U <20 U <20 U <20 U Cadmium,Dissolved m/L NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA /L 58 44 33 34 32.2 40 41 45 51 49 57.9 63 68 67 69 66.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA C snide,Free m/L 0.2 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Ma nesium,Dissolved m/L Onone 21 20 18 17 16 16 17 18 22 17 18 17 18 16 19 17.3 Mercury,Dissolved m IL NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Molybdenum,Dissolved m/L NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Nickel,Dissolved m/L NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Potassium,Dissolved m/L 14 B 12 B 12 B 11 10 11 10 10 13 B 10 10 t0 11 9 6 10 10.7 Silver,Dissolved m/L NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Sodium,Dissolved m/L 3,600 3,220 3 860 4 000 3 960 4,060 3,770 3,710 3,840 3,930 3,850 3,840 4,100 3,770 3,780 3,960 ' Vanadium,Dissolved m IL 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Notes: B=Estimated value,less than the practical quantitation limit for that analyle,but greater than the method detection limit U=Analyle not detected,reported less than the practical quantitalion limit H=Analysis exceeded method hold time.pH is a field test with an immediate hold time. NA=Analyle not analysed =Second and third quarter 2015 reports presented calculated total dissolved solids results ' Per Section 41.5(C)(6)the of Regulation 41,the"Interim Narrative Standard",is the minimum of Table i-Table 4 of The Basic Standards for Groundwater(BSGW) 'TDS standard is 1.25'Background,where background is the average of the 1999-2000 sampling Values in bold indicate a value greater than the BSGW "The regulatory standard for Gross Bela is provided in units of exposure,millirems per year(mrems/yr),which would require the measurement of specific nuclides(Tritium and Strontium)with known energy levels. Specific nuclides were not pan of the approved constituent list. ' GOLDER