|
Analyte
<br />Benchmark
<br />Level
<br />9/27/2010
<br />I
<br />3/31/2011
<br />6/28/2011
<br />8/31/2011
<br />11/17/2011
<br />3/27/2012
<br />6/27/2012
<br />9/13/2012
<br />11/13/2012
<br />Metals
<br />Arsenic, Dissolved (mg /L)
<br />0 15
<br />0 036
<br />0 021
<br />0 03
<br />0 036
<br />< 0.01 U
<br />< 0 01 U
<br />< 0 01 U
<br />< 0 005 U
<br />0 001 B
<br />Barium, Dissolved (mg /L)
<br />2 0
<br />2.09
<br />1 33
<br />1 09
<br />0 96
<br />1 09
<br />1 42
<br />1 55
<br />1 72
<br />1 26
<br />Boron, Dissolved (mg /L)
<br />0.75
<br />0 7
<br />0 64
<br />0 69
<br />0.78
<br />0 64
<br />0 73
<br />0 72
<br />0 70
<br />0.79
<br />Chromium, Dissolved (mg /L)
<br />0.3
<br /><001 U
<br /><001 U
<br /><001 U
<br /><001 U
<br /><001 U
<br /><001 U
<br /><001 U
<br /><001 U
<br /><001 U
<br />Copper, Dissolved (mg /L)
<br />0.3
<br /><03 U
<br /><03 U
<br /><0.05 U
<br /><03 U
<br /><03 U
<br /><005 U
<br /><03 U
<br /><03 U
<br /><03 U
<br />Iron, Dissolved (mg /L)
<br />0.71
<br />< 0 3 U
<br />0 1 B
<br />0 15
<br />< 0 3 U
<br />0 3 B
<br />0.91
<br />0.8
<br />0 7
<br />0 16
<br />Lead, Dissolved (mg /L)
<br />0.05
<br />< 0 003 U
<br />< 0 003 U
<br />0 0011 B
<br />0.0006 B
<br />< 0 003 U
<br />< 0 003 U
<br />< 0 003 U
<br />< 0 003 U
<br />< 0 003 U
<br />Lithium, Dissolved (mg /L)
<br />2 5
<br />1 3
<br />1 2
<br />1 12
<br />1 1
<br />1 1
<br />1 16
<br />1 2
<br />1 2
<br />1 36
<br />Manganese, Dissolved (mg /L)
<br />0 49
<br />0 08 B
<br />0 12
<br />0 139
<br />0 1
<br />0 12
<br />0 102
<br />0 06 B
<br />0 06 B
<br />0 114
<br />Selenium, Dissolved (mg /L)
<br />0 02
<br />0 0006 B
<br />0 0015
<br />0 0006 B
<br />< 0 001 U
<br />< 0.001 U
<br />< 0.001 U
<br />< 0.001 U
<br />0 0008 B
<br />0 0007 B
<br />Thallium, Dissolved (mg /L)
<br />0 01
<br />< 0 003 U
<br />0 0007 B
<br />< 0 003 U
<br />< 0 003 U
<br />< 0 003 U
<br />< 0 003 U
<br />< 0 003 U
<br />< 0 003 U
<br />< 0 003 U
<br />Uranium, Dissolved (mg /L)
<br />0 03
<br />0 0048
<br />0 0033
<br />0 0025 B
<br />< 0 003 U
<br />0 0011 B
<br />0 0009 B
<br />0.0012 B
<br />0 0012 B
<br />0 0012 B
<br />Zinc, Dissolved(mg /L)
<br />2.0
<br />_ <03 U
<br /><03 U
<br /><005 U
<br /><03 U
<br /><03 U
<br /><005 U
<br /><03 U
<br /><03 U
<br /><03 U
<br />Other
<br />Chloride (mg /L)
<br />3,640
<br />3,050
<br />3,100
<br />3,090
<br />3,240
<br />3,017
<br />3,052
<br />3,079
<br />3,188
<br />2,968
<br />Fluoride (mg /L)
<br />2.1
<br />1 7
<br />1 5
<br />1 5
<br />1 4
<br />1 6
<br />1 5
<br />1 6
<br />1 5
<br />1 7
<br />Nitrate as N (mg /L)
<br />10
<br />0.14
<br />0 07 B
<br />0 06 B
<br />0 03 B
<br />< 0 1 U
<br />0 04 B
<br />0 04 B
<br />0 03 B
<br />0 04 B
<br />Nitrite as N (mg /L)
<br />1 0
<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 />< 0 05 U
<br />< 0 05 U
<br />Nitrate +Nitrite as N (mg /L)
<br />10
<br />0 14
<br />0 07 B
<br />0 06 B
<br />0 03 B
<br />< 0 1 U
<br />0 04 B
<br />0 04 B
<br />0 03 B
<br />0 04 B
<br />LabpH(su)
<br />7.4 -8.8
<br />86 H
<br />82 H
<br />84 H
<br />83 H
<br />82 H
<br />83 H
<br />83 H
<br />86 H
<br />83 H
<br />Total Dissolved Solids, filterable residue (mg /L:
<br />6,971
<br />6,270
<br />6,390
<br />6,350
<br />6,320
<br />6,140
<br />6,340
<br />6,120
<br />6,270
<br />6,180
<br />Sulfate (mg /L)
<br />250
<br />< 300 U
<br />60 B
<br />90 B
<br />< 100 U
<br />< 250 U
<br />< 250 U
<br />< 250 U
<br />< 250 U
<br />< 250 U
<br />Gross Alpha (pCi /L)
<br />15
<br />15 (±26)
<br />9 8 ( ±25)
<br />18 ( ±24)
<br />0 ( ±26)
<br />38 (±38)
<br />-1 1 ( ±21)
<br />5 1 ( ±12)
<br />-6.2 ( ±13)
<br />-12 ( ±21)
<br />Gross Beta (pCi/L)
<br />none
<br />4 5 (±30)
<br />42 ( ±31)
<br />12 ( ±29)
<br />0 ( ±27)
<br />73 ( ±44)
<br />8 5 (±29)
<br />82 (±30)
<br />21 ( ±26)
<br />11 ( ±28)
<br />Supplementary Analytes (Not Historically analyzed)
<br />Bicarbonate as CaCO3 (mg /L)
<br />none
<br />993
<br />965
<br />978
<br />953
<br />914
<br />995
<br />968
<br />964
<br />978
<br />Carbonate as CaCO3 (mg /L)
<br />none
<br />108
<br />< 20 U
<br />37
<br />22
<br />57
<br />< 20 U
<br />21
<br />< 20 U
<br />23
<br />Calcium, Dissolved (mg /L)
<br />none
<br />14
<br />14
<br />14 4
<br />16
<br />15
<br />15 5
<br />14
<br />16
<br />16 3
<br />Magnesium, Dissolved (mg /L)
<br />none
<br />8
<br />8
<br />7 8
<br />7
<br />7
<br />7 4
<br />8
<br />8
<br />8 0
<br />Potassium, Dissolved (mg /L)
<br />none
<br />7 B
<br />8 B
<br />7 4
<br />4 B
<br />6 B
<br />6 6
<br />7 B
<br />7 B
<br />10 8 B
<br />Sodium, Dissolved (mg /L)
<br />none
<br />2,480
<br />2,430
<br />2,470
<br />2,410
<br />2,260
<br />2,410
<br />2,420
<br />2,420
<br />2,310
<br />January 2013
<br />Table 2: Summary of Monitoring Results for MW -2
<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 />Values in Bold exceeded benchmark levels
<br />1 \10 \81640 \0100104 2012 Sampling _Fnl- 23Jan131DataRequest_Tables 1-4 xlsxMW -2
<br />103 -81640
<br />Golder
<br />Associates
<br />
|