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' July 2019 18107649
<br /> Table 7:Summary of Monitoring Results for MW-6
<br /> ' Data Interim Narrative 5131/2017 11115/2017 6/6/2018 1111512018
<br /> Standard
<br /> Metals
<br /> ' Arsenic,Dissolved(mg/L) 0.01 NA NA NA 0.007 B
<br /> Barium,Dissolved(m L) 2 7.85 7.77 7.65 7.25
<br /> Boron,Dissolved m/L 0.75 0.7 0.8 0.6 0.6
<br /> Chromium,Dissolved(m/L) 0.1 NA NA NA <0.02 U
<br /> Copper,Dissolved /L) 0.2 NA NA NA <0.02 U
<br /> Iron,Dissolved /L 0.3 1.7 3A 3.0 2.9
<br /> ' Lead,Dissolved(m/L) 0.05 NA NA NA <0.005 U
<br /> Lithium,Dissolved m/L) 2.5 NA NA NA 1.74
<br /> Manganese,Dissolved m/L 0.05 0.14 B 0.07 B 0.06 B 0.09
<br /> Selenium,Dissolved m 0.02 NA NA NA <0.003 U
<br /> Thallium,Dissolved m 0.002 NA NA NA <0.005 U
<br /> Uranium,Dissolved(m L) 0.03 NA NA NA 0.004
<br /> Zinc,Dissolved m L 2 NA NA NA <0.5 U
<br /> Other
<br /> Chloride m/L 250 6,130 5,900 51880 6,490
<br /> Fluoride(mg/L) 2 NA NA NA 1.09
<br /> Lab pH(s.u) 6.5-8.5 8.1 H 7.7 H 7.8 H 8 H
<br /> Total Dissolved Solids,filterable residue m/L 1.25 x Background* 10500 10,400 101500 10,700
<br /> Sulfate m/L 250 <250 U <200 U 51 B <200 U
<br /> Gross Alpha pCill- 15 NA NA NA 47(t36)
<br /> Gross Beta pCi/L NA NA NA 43 t35
<br /> Field Paramten Not AvagbM 2010
<br /> Field pH au 6.5-8.5 7,79 7.86 7.76 7.34
<br /> Field Conductivity(µS/cm) none 17850 174701 18950 17560
<br /> Temperature(Degress Celsius none 16.6 11.3 1 17.7 11.1
<br /> Supplementary Analytee
<br /> Aluminum,Dissolved(m L) 5 NA NA NA <2 U
<br /> Antimony,Dissolved m L) 0.006 NA NA NA <0.02 U
<br /> Beryllium,Dissolved(m/L) 0.004 NA NA NA <0.003 U
<br /> ' Bicarbonate as CaCO3(mg/L) none 658 639 652 NA
<br /> Carbonate as Ca m/L none <20 U <20 U <20 U NA
<br /> Cadmium,Dissolved m/L 0,005 NA NA NA <0.003 U
<br /> Calcium,Dissolved m/L none 51 44 41 47
<br /> Cobalt,Dissolved m A. 0.05 NA NA NA <0.003 U
<br /> Cyanide,Free m/L 0.2 NA NA NA 0.009 B
<br /> ' Magnesium,Dissolved(mg/L) none 16 16 16 16
<br /> Mercury,Dissolved m/L 0.002 NA NA NA <0.001 U
<br /> Molybdenum,Dissolved /L 0.21 NA NA NA 0.025 B
<br /> Nickel,Dissolved /L 0.1 NA NA NA 0.007 B
<br /> Potassium,Dissolved m/L none 9 B 9 B 8 B 10
<br /> Silver,Dissolved m/L 0.05 NA NA NA <0.005 U
<br /> ' Sodium,Dissolved m/L none 3,920 41060 3,870 3,960
<br /> Vanadium,Dissolved m/L 0.1 NA NA NA <0.02 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 not analyzed
<br /> =Secondcond 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
<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,millimms per year(mrems/yr),which would require the measurement of specific
<br /> nuclides(Tritium and Strontium)with known energy levels. Specific nuclides were not part of the approved constituent list.
<br /> V GOLDER
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