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S'
<br />May 2013
<br />Table 4: Summary of Monitoring Results for MW-4
<br />103- 81640Y3
<br />Date
<br />Benchmark
<br />Level
<br />1 9 /27/2010
<br />3/3112011
<br />6/28/2011
<br />8131/2011
<br />11/172011
<br />3/27/2012
<br />6/27/2012
<br />9113/2012
<br />11/13/2012
<br />3119/2013
<br />Metals
<br />Arsenic, Dissolved (mg /L)
<br />017
<br />0 068
<br />004
<br />0 055
<br />0 076
<br /><0 02 U
<br />< 0 02 U
<br />00009 B
<br />< 0 01 U
<br />< 0 01 U
<br />< 0 01 U
<br />Barium, Dissolved (mg /L)
<br />20
<br />8.69
<br />8.84
<br />7.83 '
<br />8.93
<br />7.94
<br />8.73
<br />8.41
<br />8.91
<br />8.67
<br />9.22
<br />Boron, Dissolved (mg /L)
<br />075
<br />07
<br />05 B
<br />062 '
<br />07
<br />07
<br />07
<br />0.8 B
<br />05
<br />072
<br />07
<br />Chromium, Dissolved (mg /L)
<br />03
<br />< 0 02 U
<br />< 0 02 U
<br />< 0 02 U
<br />< 0 02 U
<br />< 0 02 U
<br />< 0 02 U
<br />00014 B
<br />< 0 02 U
<br />< 0 02 U
<br />< 0 02 U
<br />Copper, Dissolved(mg /L)
<br />03
<br /><05 U
<br /><05 U
<br /><05 U
<br /><05 U
<br /><05 U
<br /><05 U
<br /><1 U
<br /><05 U
<br /><05 U
<br /><05 U
<br />Iron, Dissolved (mg /L)
<br />061
<br />03 B
<br />03 B
<br />0 28 '
<br />0.8
<br />< 0 5 U
<br />06
<br />1
<br /><05 U
<br />032 U
<br />0.8
<br />Lead, Dissolved (mg /L)
<br />005
<br /><0005 U
<br />< 0 005 U
<br />0 002 B
<br />0 001 B
<br />< 0 005 U
<br />< 0 005 U
<br />< 0 01 U
<br />< 0 005 U
<br />< 0 005 U
<br />< 0 005 U
<br />Lithium, Dissolved (mg /L)
<br />25
<br />2
<br />1 9
<br />2 25 '
<br />1 8
<br />1 6
<br />1 8
<br />1 9 B
<br />1 9
<br />238
<br />NA
<br />Manganese, Dissolved (mg /L)
<br />1 2
<br />< 0 3 U
<br />< 0 3 U
<br />< 0 3 U
<br />< 0 3 U
<br />< 0 3 U
<br />< 0 3 U
<br />< 0 5 U
<br />< 0 3 U
<br />0 018 B
<br />< 0 3 U
<br />Selenium, Dissolved (mg /L)
<br />002
<br />< 0 003 U
<br />0 012
<br />< 0 003 U
<br />< 0 003 U
<br /><0 003 U
<br />0 007
<br />00029
<br />< 0 003 U
<br />0 002 B
<br />0 003 B
<br />Thallium, Dissolved (mg /L)
<br />001
<br />< 0 005 U
<br />0 001 B
<br />< 0 005 U
<br />< 0 005 U
<br />< 0 005 U
<br />< 0 005 U
<br />< 0 01 U
<br />< 0 005 U
<br />< 0 005 U
<br />< 0 005 U
<br />Uranium, Dissolved (mg /L)
<br />003
<br />< 0 005 U
<br />0 001 B
<br />< 0 005 U
<br />0 002 B
<br />< 0 005 U
<br />< 0 005 U
<br />< 0 01 U
<br />< 0 005 U
<br />< 0 005 U
<br />NA
<br />Zinc, Dissolved(mg /L)
<br />20
<br /><05U
<br /><05U
<br /><05U
<br /><05U
<br /><05U
<br /><05U
<br /><1U
<br /><05U
<br /><05U
<br /><05U
<br />Other
<br />Chloride (mg /L)
<br />8,895
<br />6,300
<br />6,200
<br />6,200
<br />6,500
<br />6,282
<br />6,063
<br />6,105
<br />6,566
<br />6,077
<br />6,744
<br />Fluoride (mg /L)
<br />20
<br />1 1
<br />1 1
<br />1
<br />1 1
<br />1 1
<br />1 0
<br />1 1
<br />1 2
<br />1 1
<br />1 1
<br />Nitrate as N (mg /L)
<br />10
<br />< 0 1 U
<br />< 0 1 U
<br />< 0 1 U
<br />< 0 1 U
<br />< 0 1 U
<br />1 83
<br />004 B
<br />004 B
<br />004 B
<br />NA
<br />Nitrite as N (mg /L)
<br />1 0
<br />< 0 05 U
<br />001 B
<br />< 0 05 U
<br />< 0 05 U
<br />< 0 05 U
<br />< 0 05 U
<br />< 0 05 U
<br />< 0 05 U
<br />< 0 05 U
<br />NA
<br />Nitrate +Nitrite as N (mg /L)
<br />10
<br />< 0 1 U
<br />002 B
<br />< 0 1 U
<br />< 0 1 U
<br />< 0 1 U
<br />1 83
<br />004 B
<br />004 B
<br />004 B
<br />NA
<br />Lab pH(su)
<br />65 -85
<br />83H
<br />82H
<br />82
<br />82H
<br />83U
<br />8 1 H
<br />81H
<br />81H
<br />82H
<br />81H
<br />Total Dissolved Solids, filterable residue (mg /L)
<br />10212
<br />11,000
<br />1 11,100
<br />11,100
<br />10,900
<br />11,100
<br />11,200
<br />10,800
<br />11,100
<br />10,800
<br />11,100
<br />Sulfate (mg /L)
<br />1322
<br />< 500 U
<br />< 500 U
<br />< 500 U
<br />< 300 U
<br />< 500 U
<br />< 500 U
<br />< 500 U
<br />< 500 U
<br />< 500 U
<br />< 500 U
<br />Gross Alpha (pCi /L)
<br />15
<br />-10 (t39)
<br />73 ( ±47)
<br />16 (t37)
<br />40 (t52)
<br />19(+52)
<br />-33 (t18)
<br />260 (t76) -0 11 (t17)
<br />-15 (t30)
<br />NA
<br />Gross Beta (pCi /L)
<br />none
<br />-7 5 (t53)
<br />80 (t49)
<br />22 (345)
<br />51 (f57)
<br />66 ( ±63)
<br />38 (t51)
<br />270 (t61) 53 (t53)
<br />9 9 (t42)
<br />NA
<br />Supplementary Analytes (Not Historically analyzed)
<br />Bicarbonate as CaCO3 (mg /L)
<br />none
<br />585
<br />565
<br />569
<br />562
<br />573
<br />597
<br />580
<br />576
<br />571
<br />573
<br />Carbonate as CaCO3 (mg /L)
<br />none
<br />16 B
<br />< 20 U
<br />< 20 U
<br />< 20 U
<br />< 20 U
<br />< 20 U
<br />< 20 U
<br />< 20 U
<br />< 20 U
<br />< 20 U
<br />Calcium, Dissolved (mg /L)
<br />none
<br />37
<br />38
<br />79
<br />37
<br />35
<br />36
<br />42
<br />38
<br />392
<br />37
<br />Magnesium, Dissolved (mg /L)
<br />none
<br />18
<br />18
<br />38
<br />16
<br />16
<br />17
<br />22
<br />19
<br />189
<br />18
<br />Potassium, Dissolved (mg /L)
<br />none
<br />10 B
<br />12 B
<br />20 B
<br />7 B
<br />9 B
<br />7 B
<br />15 B
<br />10 B
<br />22
<br />10B
<br />Sodium, Dissolved (mg /L)
<br />none
<br />4270
<br />4,180
<br />4,280
<br />4,200
<br />3,930
<br />4,220
<br />4,240
<br />4,250
<br />4,150
<br />4,390
<br />Notes
<br />B = Estimated value, less than the practical quantitation limit for that analyte, but greater than the method detection limit
<br />U = Result less than method detection limit for that analyte
<br />H = Analysis exceeded method hold time pH is a field test with an immediate hold time
<br />NA = Analyte not analyzed
<br />` Reanalysis preformed for analyte, reanalysis result reported
<br />Values in Bold exceeded benchmark levels
<br />
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