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March 2019
<br /> 18107649
<br /> Table 3: Summary of Monitorinq Results for MW-2
<br /> Date Interim Narrative 2/18/2014 512112014 8/27/2014 11/11/2014 2/18/2015 5/2712015 8/2712015 11/912015 2/1512016 5131/2016 8/1612016 11/9120'16 513112017 1111512017 6/6/2018 11/15/2018
<br /> Standard
<br /> 11111101"
<br /> Arsenic,Dissolved m/L 0.01 0.004 B 0.006 NA NA NA NA NA NA NA NA NA NA NA NA NA 0,004 B
<br /> Barium,Dissolved(mg/L) 2.0 1.74 2.28 2.57 1.71 2.03 2.65 2.06 1.90 2.0 1.93 2.23 1.88 2.81 2.77 3.32 3.22
<br /> Boron,Dissolved(mgIL) 0.75 0.7 0.75 0.75 0.74 0.73 0.72 0.75 0.68 0.79 0.68 0.73 0.71 0.77 0.72 0.78 0.75
<br /> Chromium,Dissolved m L 0.1 0.01 U 0.01 U NA NA NA NA NA NA NA NA NA NA NA NA NA <0.01 U
<br /> Copper,Dissolved m L 0.2 <0.05 U <0.05 U NA NA NA NA NA NA NA NA NA NA NA NA NA 0.005 B
<br /> Iron,Dissolved m/L 0.3 1.51 2.6 1.16 0.82 0.38 0.6 0.7 0.4 0.4 B 0.2 B 1.2 0.28 0.5 0.3 0.3 0.4
<br /> Lead,Dissolved m/L 0.05 <O.003 U <0.003 U NA NA NA NA NA NA NA NA NA NA NA NA NA <0.003 U
<br /> Lithium,Dissolved m/L 2.5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 1.16
<br /> Manganese,Dissolved m/L 0.05 0.099 0.097 0.105 0.103 0.075 0.05 B 0.07 B 0.08 B 0.08 B 0.05 B 0.10 0.06 0.05 B -0.1 U 0.06 B 0.04 B
<br /> Selenium,Dissolved m/L 0.02 c 0.001 U 0.0007 B NA NA NA NA NA NA NA NA NA NA NA NA NA <0.001 U
<br /> Thallium,Dissolved m L 0.002 <0.003 U <0,003 U NA NA NA NA NA NA NA NA NA NA I NA NA NA <0.003 U
<br /> Uranium,Dissolved m L 0.03 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.0028 B
<br /> ' Zinc,Dissolved 2.0 <0.05 U <0.05 U NA NA NA NA NA NA NA NA NA NA NA NA NA <0.3 U
<br /> OdW
<br /> Chloride m/L 250 3,180 3,240 2,930 2,980 2.990 3.150 3.100 3.040 3.240 3.120 3.110 3.010 3.170 3.070 3,030 3,530
<br /> Fluoride(mg/L) 2 1.5 1.48 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.3
<br /> Nitrates N m L 10 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.08 B
<br /> Nitrite as N m L 1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.05 U
<br /> ' Nitrate+Nitrite as N(mg/L) 10 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.08 B
<br /> Lab H s.0 6.5-8.5 8.0 H 8.0 H 8.0 H 8.3 H 8.0 H 8.0 H 8.3 H 8.2 H 8.3 8.1 H 8.4 H 8.4 H 8.2 H 8.0 H 8.0 H 8.2 H
<br /> Total Dissolved Solids,filterable residue m L 7084• 5.720 6 D40 H 5,730 6,180 6,230 6 000 ^ 5.520 ^ 6.020 6.230 6,080 6.010 6.300 6.160 6.400 6.270 H 6.280
<br /> Sulfate(mg/L) 250 <250 U <250 U <250 U <250 U <250 U <250 U <250 U <250 U <250 U <125 U <250 U <125 U <250 U <200 U 22 B <100 U
<br /> Gross Alpha Ci/L 15 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 20 218
<br /> Gross Beta Ci/L •' NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 25 t21
<br /> And Not Historical) anal ad
<br /> ' Aluminum,Dissolved m/L 5 017.6
<br /> NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.8 U
<br /> Antimony,Dissolved m L 0.006 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.01 U
<br /> Be Ilium,Dissolved m/L 0.004 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <O.001 U
<br /> Bicarbonate as CaCO3 m L none 1,100 1,080 1,100 NA 1.070 1 040 1,050 1,040 1.100 1,000 1,010 1.070 1 030 1.080 NA
<br /> Carbonate as CaCO3 m/L none U -20 U <20 U <20 U NA <20 U <20 U <20 U <20 U <20 U 40.9 40.7 <20 U <20 U <20 U NA
<br /> Cadmium Dissolved m L 0.005 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.001 U
<br /> Calcium,Dissolved m L none 18.2 17.9 17.4 17.5 17.3 17.3 17.2 18 16.9 17.5 16.6 16.7 16.6 16.8 18.6
<br /> Cobalt Dissolved m L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.001 U
<br /> C snide Free m L 0.2 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.01 U
<br /> Ma nesium,Dissolved m/L none 7.3 6.9 6.6 7.4 7.4 7.0 8.0 7.0 8.0 B 7.0 8.0 6.6 7.0 7.0 7.0 7.0
<br /> Merou Dissolved m/L 0.002 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.001 U
<br /> Mol btlenum Dissolved m/L 0.21 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.01 U
<br /> ' Nickel Dissolved m/L 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.02 U
<br /> Potassium,Dissolved m/L none 6.2 6.5 6.1 6 6.4 7.0 7.0 6.0 8.0 6.0 6.0 6.7 6.0 6.0 6.0 9.0
<br /> Silver Dissolved m L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.003 U
<br /> Sodium,Dissolved m/L none 2,440 2,440 2,330 2 260 2 390 2,270 2,370 2,260 2,560 2,350 2,230 2,430 2,430 2,270 2 360 2,460
<br /> Vanadium Dissolved m/L 0.1 1 NA NA NA NA I NA NA NA NA NA NA NA NA NA NA NA <0.1 U
<br /> ' Notes:
<br /> B=Estimated value,less than the practical quantitation limit for that analvte,but greater than the method detection limit
<br /> U=Analyle 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 time.
<br /> NA=Analyte not analyzed
<br /> ^=Second and third quarter 2015 reports presented calculated total dissolved solids results
<br /> Per Section 41.5(C)(6)the of Regulation 41,the"Interim Narrative Standard",is the minimum of Table 1-Table 4 of The Basic Standards for Groundwater(BSGW)
<br /> •TDS standard is 1.25'Background,where background is the average of the 1999-2000 sampling
<br /> Values in bold indicate a value greater than the BSGW
<br /> -The regulatory standard for Gross Beta 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 part of the approved constituent list.
<br /> ' J GOLDER 2
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