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'August 2020 20144265-2-L-0
<br /> 'Table 6:Summary of Monitoring Results for MW-6(Continued)
<br /> Date Units Interim Narrative 5131/2017 11/15/2017 6/6/2018 11/15/2018 6/12/2019 12/12/2019 12/12/2019
<br /> Standard
<br /> IIANdt
<br /> Arsenic,Dissolved m /L 0.01 NA NA NA 0.007 B 0.0074 0.007 B 0.009 B
<br /> Barium,Dissolved m /L 2 7.85 7.77 7.65 7.25 6.66 6.84 6.64
<br /> Boron,Dissolved m /L 0.75 0.7 0.8 0.6 0.6 0.6 B 0.67 0.58
<br /> Chromium,Dissolved m /L 0.1 NA NA NA <0.02 U <0.002 U <0.02 U <0.04 U
<br /> Copper,Dissolved m /L 0.2 NA NA NA <0.02 U <0.002 U <0.02 U 0.05
<br /> Iron,Dissolved m /L 0.3 1.7 3.4 3.0 2.9 2.2 2.87 1.93
<br /> Lead,Dissolved m /L 0.05 NA NA NA <0.005 U <0.0005 U <0.005 U <0.01 U
<br /> Lithium,Dissolved m /L 2.5 NA NA NA 11.74 1.87 2.21 1.81
<br /> Manganese,Dissolved m /L 0.05 0.14 B 0.07 B 0.06 B 10.09 0.0733 U 0.079 0.072
<br /> Selenium,Dissolved m /L 0.02 NA NA NA <0.003 U 0.0009 <0.003 U <0.003 U
<br /> Thallium,Dissolved m /L 0.002 NA NA NA
<br /> <0.005 U <0.0005 U <0.0005 U <0.003 U
<br /> Uranium,Dissolved m /L 0.03 NA NA NA 10.0134 0.0023 0.004 B 0.003 B
<br /> Zinc,Dissolved m /L 2 NA NA NA <0.5 U <0.5 U <0.3 U <0.02 U
<br /> Other
<br /> Chloride m /L 250 6,130 5,900 5,880 6,490 6,610 H 6,390 7,100
<br /> Fluoride m /L 2 NA NA NA 1.09 1.2 1.2 1.1
<br /> Nitrate as N m !L 10 NA NA NA NA NA <0.1 U <0.1 U
<br /> Nitrite as N m /L 1 NA NA NA NA NA <0.05 U <0.05 U
<br /> Nitrate+Nitrite as N m /L 10 NA NA NA NA NA <0.1 U <0.1 U
<br /> Lab pH s.0 6.5-8.5 8.1 H 7.7 H 7.8 H 8 H 7.9 H 8.1 H 8.1 H
<br /> Total Dissolved Solids,filterable residue m /L 1.25 x Background* 10,500 10 400 10 500 10,700 10,600 10,300 10,700
<br /> Sulfate m /L 250 <250 U <200 U 51.4 B <200 U <200 U < N U <200 U
<br /> Gross Alpha Ci/L 15 NA NA INA 147 336 -33 t24 0.0 t52 16 t29
<br /> Gross Beta I pCi/L NA INA INA 143 t35 56 t47 0.78 t63 33 t46
<br /> Fisid Parameters Not Available Pre-MO)
<br /> Field pH s.0 6.5-8.5 17.79 17.86 17.76 17.34 17.76 17.72 17.29
<br /> Field Conductivity PS/Cm I none 117,850 117,470 118,950 117,560 118,000 111,290 114,930
<br /> Temperature Degrees Celsius I none 116.6 111.3 117.7 111.1 117.9 110 121.5
<br /> Supplementary Anal es Not Historical) Analyzed]
<br /> 'Aluminum,Dissolved m /L 5 NA NA NA <2 U <3 U <0.3 U <0.3 U
<br /> Antimony,Dissolved m /L 0.006 NA NA NA <0.02 U 0.0014 B <0.02 U <0.04 U
<br /> Beryllium,Dissolved m /L 0.004 NA NA NA
<br /> <0.003 U <0.0003 U <0.003 U <0.0003 U
<br /> Bicarbonate as CaCO3 m /L none 658 639 652 NA 685 H 702 720
<br /> Carbonate as CaCO3 m /L none <20 U <20 U <20 U NA <20 UH <20 U <20 U
<br /> Cadmium,Dissolved m /L 0.005 NA NA NA <0.003 U 0.00006 B <0.003 U <0.0003 U
<br /> Calcium,Dissolved m /L none 51 44 41 47 40 45.4 43.2
<br /> Cobalt,Dissolved m /L 0.05 NA NA NA <0.003 U 0.00024 B <0.003 U <0.005 U
<br /> Cyanide,Free m /L 0.2 NA NA NA 0.009 B 0.012 <0.01 U 0.004 B
<br /> Magnesium,Dissolved m /L none 16 16 16 16 14 15.8 15
<br /> Mercury,Dissolved m /L 0.002 NA NA NA <0.001 U <0.001 U <0.001 U <0.001 U
<br /> Molybdenum,Dissolved m /L 0.21 NA NA NA 0.025 B 0.0208 U 0.021 0.022
<br /> Nickel,Dissolved m /L 0.1 NA NA NA 0.007 B 0.0063 U 0.010 0.02
<br /> Potassium Dissolved m /L none 9 B 9 B 8 B 10 9 B 11.6 14.8
<br /> Silver,Dissolved m /L 0.05 NA NA NA <0.005 U <0.0005 U <0.005 U <0.01 U
<br /> Sodium,Dissolved m /L none 3,920 4,060 3,870 3,960 3 910 3,960 3,890
<br /> Vanadium,Dissolved m /L 0.1 NA NA NA U 0.0005 U <0.02 U j<0.04 U
<br /> Notes:
<br /> B=Estimated value,less than the practical quantitation 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 /> A=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
<br /> approved constituent list
<br /> '� GOLDER 212
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