2020-08-10_HYDROLOGY - M1977348

• Permit No: M1977348
• IBM Index Class Name: HYDROLOGY
• Doc Date: 8/10/2020
• Doc Name: Water Monitoring - Groundwater
• From: Golder Associates
• To: DRMS
• Annual Report Year: 2020
• Report Quarter_Month: 1
• Email Name: AME
• Media Type: D
• Archive: No

lAugust202O 20144265-2-L-0
Table 4: Summary of Monitoring Results for MW-4
Interim
Date Narrative 5126/1999 7/21/1999 9/23/1999 11/10/1999 1/19/2000 3/13/2000 5/16/2000 7/10/2000 9/27/2010 3I31I2011 6/28/2011 8/31I2011 11/172011 3127I2012 6/27/2012 9/13/2012 11/13/2012 3/19/2013 5/28/2013 8/26/2013 11/15/2013
Standard
Metals
Arsenic,Dissolved m /L 0.01 NA <0.005 U NA 0.0894 0.08 0.075 0.103 0.08 0.068 0.04 0.055 0.076 <0.02 U <0.02 U 0.0009 B <0.01 U <0.01 U <0.01 U <0.01 U <0.01 U <0.01 U
Barium,Dissolved m /L` 2 0.14 0.29 0.461 0.55 0.69 0.81 0.92 0.972 8.69 8.84 7.83 8.93 7.94 8.73 8.41 8.91 8.67 9.22 8.74 9.13 8.8
IIIIIIIIIIIII13oron,Dissolved m /L 0.75 0.49 0.54 0.53 0.59 0.56 0.6 0.6 0.55 0.7 0.5 B 0.62 ` 0.7 0.7 0.7 0.8 B 0.5 0.72 0.7 0.7 0.6 0.7
Chromium,Dissolved m /L` 0.1 <0.3 U <0.3 U <0.25 U <0.3 U <0.3 U NA <0.3 U <0.05 U <0.02 U <0.02 U <0.02 U <0.02 U <0.02 U <0.02 U 0.0014 B <0.02 U <0.02 U <0.02 U <0.02 U <0.02 U <0.02 U
Copper,Dissolved m /L 0.2 <0.3 U <0.3 U 0.11 B <0.3 U <0.3 U NA <0.3 U <0.05 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <1 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U
Iron Dissolved m /L` 0.3 <0.3 U <0.3 U 1.13 0.07 B 0.05 B 0.17 B 0.44 0.04 B 0.3 B 0.3 B 0.28 0.8 <0.5 U 0.6 1.0 <0.5 U 0.32 U 0.8 0.5 U 0.4 B 0.3 B
Lead Dissolved m /L 0.05 <0.01 U <0.005 U <0.005 U I<0,005 U <0.005 U NA 0.009 <0.01 U I<0.005 U <0.005 U 0.002 B 0.001 B <0.005 U I<0.005 U <0.01 U <0.005 U <0.005 U <0.005 U I<0.005 U <0.005 U <0.005 U
Lithium,Dissolved m /L' 2.5 0.9 1.2 1.3 11.4 1.5 1.6 1.5 1.51 2 1.9 2.25 1.8 1.6 1.8 1.9 B 1.9 2.38 NA NA NA NA
Manganese,Dissolved m /L` 0.05 0.21 0.89 0.977 0.94 0.87 0.81 0.75 0.703 <0.3 U <0.3 U <0.3 U <0.3 U <0.3 U <0.3 U <0.5 U <0.3 U 0.018 B <0.3 U <0.3 U <0.3 U <0.3 U
Selenium Dissolved m /L` 0.02 <0.5 U <0.005 U <0.005 U <0.005 U <0.005 U <0.005 U <0.005 U <0.005 U <0.003 U 0.012 <0.003 U <0.003 U <0.003 U 0.007 0.0029 <0.003 U 0.002 B 0.003 B 0.006 <0.003 U <0.003 U
Thallium Dissolved m /L' 0.002 <5 U <0.01 U <5 U <0.0003 U <0.005 U <0.001 U <0.003 U <0.005 U <0.005 U 0.001 B <0.005 U <0.005 U <0.005 U <0.005 U <0.01 U <0.005 U <0.005 U <0.005 U <0.005 U <0.005 U <0.005 U
Uranium Dissolved m /L 0.03 NA NA NA 0.0235 0.019 0.0168 0.0138 0.015 <0.005 U 0,001 B <0.005 U 0.002 B <0.005 U <0.005 U <0.01 U <0.005 U <0.005 U NA NA NA NA
Zinc Dissolved m /L 2 1.07 1.03 1.71 <0.3 U <3 U <0.3 U <0.3 U 0.01 B <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <1.0 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U
t)Uter
Chloride m /L 250 2,770 2,940 4,260 4,800 4,970 5,200 6,900 5,300 6,300 6,200 6,200 6,500 6,282 6,063 6,105 6,566 6,077 6,744 6,490 6,470 6,750
Fluoride m /L 2 1 1.1 0.9 0.9 1.1 1.1 1.4 1.1 1.1 1.1 1 1.1 1.1 1.0 1.1 1.2 1.1 1.1 1.1 1.1 1.1
Nitrate as N m /L 10 <0.1 U 0.07 <0.1 U <0.1 U 0.13 NA <0.1 U 0.73 <0.1 U <0.1 U <0.1 U <0.1 U <0.1 U 1.83 0.04 B 0.04 B 0.04 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 NA <0.05 U <0.05 U <0.05 U 0.01 B <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 m /L` 10 <0.1 U 0.07 B <0.1 U <0.1 U 0.13 NA <0.1 U 0.73 -0.1 U 0.02 B <0.1 U <0.1 U <0.1 U 1.83 0.04 B 0.04 B 0.04 B NA NA NA NA
Lab pH s.0 6.5-8.5 8.1 7.7 7.8 7.8 8.1 7.6 8 8 8.3 H 8.2 H 8.2 8.2 H 8.3 U 8.1 H 8.1 H 8.1 H 8.2 H 8.1 H 8.2 H 8.1 H 8.1 H
Total Dissolved Solids filterable residue m /L 10 212` 5 870 7 610 8 170 8 660 8 670 9 110 8 980 9 350 11 000 11 100 11 100 10 900 11,100 11 200 10 800 11 100 10 800 11 100 11 000 10 900 10 300 H
Sulfate m /L 250 970 600 460 390 3150 290 270 250 <500 U <500 U <500 U <300 U <500 U <500 U <500 U <500 U <500 U <500 U NA NA<500 U <500 U <500 U
Gross Alpha Ci/L` 15 26 12 53 -4.3 57 4.7 0 65 -10 t39 73 t47 16 t37 40 t52 19 t52 -33 t18 260 t76 -0.11 t17 -15 t30 NA NA
'Gross Beta Ci/L ** 123 137 127 -24 118 120 14.7 18.6 -7.5 t53 80 t49 22 t45 51 t57 66 t63 38 t51 270 t61 53 t53 9.9 t42 NA INA INA INA
Field Paramtwe Not Avalible Pre-2010
Field pH s.0 6.5-8.5 INA INA INA INA NA INA NA INA 17.95 17.85 17.68 17.97 7.92 6.23 17.48 7.84 18.05 17.53 17.36 17.73 6.57
Field Conductivity S/cm none INA INA INA INA NA INA NA INA 11,825 11,959 117,420 118,450 18,230 118,500 19 it 17,080 118,790 111,720 118,800 118,750 19,055
Temperature(Degrees Celsius' Inone INA INA INA INA INA INA INA INA 117.7 115 119.9 123.4 14 114.6 11&6 122.0 112.3 112.1 116.7 118.8 11.46
Supplementary Anal s Not Historical) Anal zed'
'Aluminum,Dissolved m /L' 5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Antimony,Dissolved m /L' 0.006 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Beryllium,Dissolved m /L' 0.004 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Bicarbonate as CaCO3 m /L` none NA NA NA NA NA NA NA NA 585 565 569 562 573 597 580 576 571 573 567 590 576
Carbonate as CaCO3 m /L none NA NA NA NA NA NA NA NA 16 B -<20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U
Cadmium,Dissolved m /L 0.005 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Calcium,Dissolved m /L none NA NA NA NA NA NA NA NA 37 38 79 37 35 36 42 38 39.2 37 37 37 36
Cobalt,Dissolved m /L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA INA NA NA
Cyanide,Free m /L` 0.2 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Magnesium,Dissolved m /L' none NA NA NA NA NA NA NA NA 18 18 38 16 16 17 22 19 18.9 18 18 17 16
Mercury,Dissolved m /L` 0.002 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Molybdenum,Dissolved m /L' 0.21 NA NA NA NA NA NA NA NA NA NA NA NA 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 NA NA NA NA NA NA NA NA
Potassium Dissolved m /L none NA NA NA NA NA NA NA NA 10 B 12 B 20 B 7 0 B 9.0 B 7.0 B 15 B 10 B 22 10 B 10 B 9.0 B 9 B
Silver Dissolved m /L 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Sodium,Dissolved m /L none NA NA NA NA NA NA NA NA 4,270 4,180 4 280 4,200 3 930 4,220 4,240 4.250 4 150 4 390 4 260 4,350 4 070
'Vanadium,Dissolved m /L` 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA INA INA NA
Notes:
B=Estimated value,less than the practical quantitation limit for that analyte,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.
NA=Analyte 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.
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