2019-03-05_REVISION - M1977348 (5)

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March 2019 18107649 ' Table 4: Summary of Monitoring Results for MW-3 Date Interim Narrative 9/27/2010 3/3112011 613012011 8/31/2011 11117/2011 3/27/2012 6/27/2012 9113/2012 11/1312012 3119/2013 612812013 812612013 11/1412013 Standard Meals ' Arsenic,Dissolved m/L O.Ot 0.019 0.01 0.011 0.02 c 0.004 U <0.01 U 0.0011 B <0.005 U 0.0005 B 0.0008 B <0.005 U 0.001 B <0.002 U Barium,Dissolved(mg/L) 2 2.4 2.95 2.23 2.73 2.25 2.51 2.08 2.52 2.23 2.5 2.20 2A7 2.26 Boron,Dissolved(mg/L) 0.75 0.77 0.75 0.74 0.8 0.78 0.77 0.76 0.76 0.86 0.79 0.84 0.75 0.76 Chromium,Dissolved m L 0.1 0.003 B 0.001 B <0.01 U 0.004 B <0.004 U <0.01 U <0.002 U <0.01 U -0.01 U <0.004 U <0.01 U <0.01 U <0.004 U Copper,Dissolved m L 0.2 <0.1 U <0.1 U <0.3 U <0.1 U <0.1 U <0.05 U <0.05 U <0.3 U <0.3 U <0.05 U <0.3 U <0.3 U <0.05 U Iron,Dissolved m/L 0.3 0.04 B 0.27 <0.3 U <0.1 U 0.1 0.22 0.32 <0.3 U 0.1 0.11 <0.3 U <0.3 U 0.14 Lead,Dissolved m/L 0.05 <0.001 U 0.0007 B 0.0002'B 0.0004 8 <0.001 U <0.003 U 0.0007 <0.003 U 0.0003 B <0.001 U <0.003 U <0.003 U <0.001 U Lithium,Dissolved m/L 2.5 0.8 0.74 0.8 0.71 0.64 0.72 0.7 0.7 0.83 NA NA NA NW- Manganese,Dissolved m/L 0.05 E0.0 0.05 0.03 B 0.04 B 0.03 B 0.021 B 0.034 <0.1 U 0.047 0.026 <0.1 <0.1 U 0.031 Selenium,Dissolved m/L 0.02 0.0012 <0.001 U 0.0005 <0.005 U 0.006 0.0007 <0.001 U 0.0005 B 0.00060.0043 <0.001 U 0.0003 B Thallium,Dissolved m L 0.002 <0.001 U <0.003 U <0.001 U <0.001 U <0.003 U <0.0005 U <0.003 U <0.003 U <0.001 U <0.003 U <0.003 U <0.001 U Uranium,Dissolved m L 0.03 0.0008 B 0.001 B 0.0006 B O%OU 0.0006 B 0.0011 0.0005 B 0.0005 B NA NA NA NA Zinc,Dissolved(mg/L) 2 <0.1 U <0.3 U <0.1 U <0.1 U <0.05 U <0.05 U <0.3 U <0.3 U <0.05 U <0.3 U <0.3 U <0.05 U Odw Chloride m L 250 1,650 1630 1550 1,620 1,530 1,665 1,506 11681 1,721 1665 1620 1570 16'10 Fluoride(mg/L) 2 2.4 2.3 2.2 2.4 2.4 2.3 2.5 2.3 2.4 2.3 2.4 2.4 2.3 Nitrate as N m/L 10 <0.1 U 0.37 0.79 0.03 B <0.1 U <0.1 U 0.02 B 0.17 0.09 B NA NA NA NA Nitrite as N m/L 1 <0.05 U <0.05 U <0.05 U <0.05 U <0.05 U <0.05 U <0.05 U <0.05 U <0.05 U NA NA NA NA ' Nitrate+Nitrite as N(mg/L) 10 <0.1 U 0.37 0.79 0.03 B <0.1 U <0.1 U 0.02 B 0.17 0.09 B NA NA NA NA Lab pH s.0 6.5-8.5 8.6H 8.4H 8.6H 8.5H 8.2H 8.4H 8.4H 8.5H 8.5H 8.5H 8.4H 8.5H 8.4H Total Dissolved Solids,filterable residue m L 4620' 3,930 3,940 4,000 3,940 3,860 4,000 3,790 4,000 3,960 3,990 4 000 4,000 3,880 H Sulfate(mg/L) 250 <100 U <100 U <300 U <50 U <125 U <125 U 30.1 B <125 U <125 U <125 U <125 U <125 U <125 U Gross Al he CiIL 15 5.7 t13 33 320 5.7 t17 15 318 20 218 8 t13 66 t27 0.85 t14 -8.2 t8.6 NA NA NA NA Gross Beta Ci/L " 3.2 t17 25 t21 7.2 t18 5 t19 5.4 t18 13 318 110 t24 15 t17 A.9 t18 NA NA NA NA ' A Not Hbtoriul anal Aluminum,Dissolved m/L 5 NA NA NA NA NA NA NA NA NA NARNA NA NA Anlimon,Dissolvedm/L 0.006 NA NA NA NA NA NA NA NA NA NA NA NA Be Ilium Dissolved m/L 0.004 NA NA NA NA NA NA NA NA NA NA NA NA Bicarbonate as CaCO3 m L none 1,110 1,130 1,100 1,090 1,100 1,160 1,130 1,130 1,130 1140 1130 1170 Carbonate as CaCO3 m/L none 98 31 96 75 78 50 52 51 78 71 75 40 Cadmium,Dissolved m IL 0.005 NA NA NA NA NA NA NA NA NA NA NA NA Calcium,Dissolved m/Lnone 6.6 11.9 7 7.5 6.8 6.3 9.4 7 7.5 6.1 8 6.8 Cobalt Dissolved m L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA Cyanide,Free m/L 0.2 NA NA NA NA NA NA NA NA NA NA NA NA NA Magnesium,Dissolved m L none 3 3.4 3 B 2.7 2.8 2.9 2.9 4 B 3.6 3.0 3 1 3 B 2.8 Memory,Dissolved (mg/L 0.002 NA NA NA NA NA NA NA NA NA NA NA NA NA Molybdenum,Dissolved m/L 0.21 NA NA NA NA I NA NA NA NA NA NA NA NA NA Nickel,Dissolved m L 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA Potassium,Dissolved m/L none 4.4 5.5 5.0 6 3.2 3.6 4.2 4.1 4.0 B 6.9 4.4 4.0 4.0 B 3.9 Silver,Dissolvetl m L 0.05 NA NA NA NA I NA NA NA NA NA NA NA NA NA Sodium,Dissolved m/L none 1,600 1,450 1,560 1,490 1,370 1,550 1,530 1,580 1,550 1.620 1,590 1,600 1,600 Vanadium Dissolved m/L 0.1 NA NA I NA I NA I NA NA NA NA NA NA NA NA NA Notes: B=Estimated value,less than the practical quantitalion limit for that analvte,but greater than the method detection limit U=Analyte not detected,reported less than the practical quantitation limit H=Analysis exceeded method hold time.pH is a field test with an immediate hold time. n NA=AnaMe not analyzed ^=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 1-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 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. ' GOLDER 1