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July 2019
<br /> 18107649
<br /> Table 4: Summary of Monitoring Results for MW-3
<br /> Date Interim Narrative 211912014 512112014 8127/2014 11111/2014 2/18/2015 512712015 8/2712015 111912015 2I15/2016 513112.11 811612016 111912016 513112017 11/15/2017 916/7018 11/1512018
<br /> Standard
<br /> Mepif
<br /> ' Arsenic,Dissolved mg/L) 0.01 0.0009 B 0.0005 B NA NA NA NA NA NA NA NA NA NA NA NA NA -0.002 U
<br /> Barium,Dissolved(mg/L) 2.0 2.31 2.02 2.23 2.62 2.25 2.83 2.47 2.81 2.58 3.16 3A6 2.57 2.45 2.93 2.18 2.4
<br /> Boron,Dissolved(mg/L) 0.75 0.74 0.76 0.76 0.78 0.81 0.74 0.79 0.74 0.76 0.74 0.79 0.77 0.75 0.74 0.81 0.77
<br /> Chromium,Dissolved(mg/L) 0.1 <0.004 U <0.004 U NA NA NA NA NA NA NA NA NA NA NA NA NA <0.004 U
<br /> Copper,Dissolved(mg/L) 0.2 <0.05 U <0.05 U NA NA NA NA NA NA NA NA NA NA NA NA NA <0.1 U
<br /> ' Iron,Dissolved(mg/L) 0.3 0.19 0.30 0.29 0.29 0.79 0.19 0.26 0.21 0.2 B 0.2 B 0.17 0.29 0.11 0.14 0.41 0.18
<br /> Lead,Dissolved(m/L) 0.05 <0.001 U 0.0002 B NA NA NA NA NA NA NA NA NA NA NA NA NA <0.001 U
<br /> Lithium,Dissolved m/L 2.5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.69
<br /> Manganese,Dissolved(mg/L) 0.05 0.043 0.05 0.05 0.061 0.054 0.02 B 0.03 B 0.03 B <0.1 U <0.1 U 0.02 B 0.033 0.01 B 0.01 B 0.06 <0.05 U
<br /> Selenium,Dissolved(mg/L) 0.02 <0.0005 U 0.0002 B NA NA NA NA NA NA NA NA NA NA NA NA NA <0.0005 U
<br /> Thallium,Dissolved(mg/L) 0.002 <0.001 U <0.001 U NA NA NA NA NA NA NA NA NA NA NA NA NA <0.001 U
<br /> ' Uranium,Dissolved(mg/L) 0.03 NA I NA NA NA NA NA NA NA NA NA NA NA I NA NA NA 0.0003 B
<br /> Zinc,Dissolved(mg/L) 2.0 0.02 B I <0.05 U NA NA NA NA NA NA NA NA NA NA NA NA NA <0.1 U
<br /> Other
<br /> Chloride (mg/L) 250 !3,890
<br /> 1,580 11520 1,540 1,530 1,620 1,570 1,560 1,640 1,690 1,550 1,550 R3.820
<br /> 1,580 1,560 1,750
<br /> Fluonde(mg/L) 2 2.4 NA NA NA NA NA NA NA NA NA NAjH
<br /> NA NA 2.38
<br /> Nitrate as N m/L) 10 NA NA NA NA NA NA NA NA NA NA NA NA NA <0.1 U
<br /> ' Nitrite as N m/L) 1 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 <0.1 U
<br /> Lab pH(s.0 6.5-8.5 8.3H 8.3H 8.4H 8.2H 8.3H 8.4H 8.3H 8.4 8.3H 8.5H 8.4H 8.3H 8.3H 6.4H
<br /> Total Dissolved Solids,filterable residue(mg/L) 4620' 3,910 H 3.920 3,890 3,920 3,930 3,910 3.970 3,970 4,040 3,790 4.000 3,940 4,020 H 3,850
<br /> Sulfate(mg/L) 25p <125 U <125 U <125 U c 125 U <125 U <125 U c 125 U <125 U <50 U <50 U <50 U <50 U <40 U <40 U <40 U
<br /> Gross Alpha Ci/L) 15 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.15(t7.4)
<br /> ' Gross Beta Ci/L •• NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 3.7 315
<br /> Field Parameters Not Avalible re-2010
<br /> Field pH s.0 6.5-8.5 8.12 7.78 7.94 7.9 7.78 7.78 7.83 8.02 8.4 8.05 7.52 7.77 NA 8.61 7.98 7.83
<br /> Field Conductivity(ps/cm) none 6610 7140 7220 6800 7140 6120 7010 5820 4850 6290 6710 7030 NA 6730 7160 6790
<br /> Temperature(Degrees Celsius none 14.8 17.1 17.0 9.0 14 19.7 18.5 17.3 11.4 18.6 20.7 20.7 NA 10.8 20.1 16
<br /> ' Supplementary
<br /> u menta Ana Not Histaftally ana
<br /> Aluminum.Dissolved m/L 5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.3 U
<br /> Antimon,Dissolved(mg/L) 0.006 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.004 U
<br /> Beryllium,Dissolved(mg/L) 0.004 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.0005 U
<br /> Bicarbonate as CaCO3(mg/L) none 1.220 982 1,270 1,260 NA 1,200 1,170 1,230 1,210 1.300 1,170 1200 1160 1160 1250 NA
<br /> Carbonate as CaCO3(mg/L) none 37 57 <20 U 41.6 NA 56.5 98.5 30.6 37.4 21.4 71.5 44.9 54.5 26.7 19.6 B NA
<br /> ' Cadmium,Dissolved(mg/L) 0.005 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.0005 U
<br /> Calcium,Dissolved(mg/L) none 6.7 7.2 6.7 7.7 8.7 7 7.6 6.9 6.7 7.4 7.8 7.3 6.8 6.5 6.9 1 7.4
<br /> Cobalt,Dissolved m/L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.001 U
<br /> C anitle,Free(mg/L) 0.204.0
<br /> NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.01 U
<br /> Magnesium,Dissolved(mg/L) none 3.1 3.4 3.2 3.3 2.8 3.1 2.9 2.8 3.0 B 3.2 2.6 2.5 2.6 3.1 2.5
<br /> Mercury,Dissolved(mg/L) 0.002 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.001 U
<br /> ' Molybdenum,Dissolved(mg/L) 0.21 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.2 U
<br /> Nickel,Dissolved(mg/L 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.08 U
<br /> Potassium,Dissolved m/L none 3.8 4.0 4.1 4.0 5.3 4.0 4.0 4.1 4.0 4 4A 3.5 4.0 3.4 3.6
<br /> Silver,Dissolvetl m/L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.05U
<br /> Sodium.Dissolved m/L none 1,610 1,500 1,490 1.430 1,480 1,450 1,480 1,540 1,510 1,470 1600 1430 1410 1490 1500
<br /> Vanadium,Dissolved(mg/L) 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <0.05 U
<br /> ' Notes:
<br /> B=Estimated value,less than the practical quanttation limit for that analyte,but greater than the method detection limit
<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 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 constltuent list.
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