October2019GW PfasResults 2020Update · 2020. 12. 18. · GP-18 GP-19 GP-20 GP-21 GP-22 GP-23 GP-24...
Transcript of October2019GW PfasResults 2020Update · 2020. 12. 18. · GP-18 GP-19 GP-20 GP-21 GP-22 GP-23 GP-24...
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Document Path: G:\Fort Gratiot Landfill\a_MXD_PDFs\ChemboxFigures_2020\Octob er2019GW_PfasResults_2020Update.mxd
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ON-SITE PFAS GROUNDWATER SAMPLING LOCATIONS AND RESULTSFORT GRATIOT LANDFILL
FIGURE 6
EGLEFT. GRATIOT LANDFILL,
FORT GRATIOT TOWNSHIP,MICHIGAN
Sanitary Sewer
@A? Monitoring Well (DEEP)
@A? Monitoring Well (SHALLOW)
ED PZ Wells
Leachate Breakout Trench
Contours
Fence
&< Gas Monitoring Probe
Leachate Collection Sump
Groundwater Collection Trench
Leachate Force Main
Site Boundary
1. Green monitoring well chem boxes and well symbols indicate DEEP monitoring wells.2. Blue monitoring well chem boxes and well symbols indicate SHALLOW monitoring wells
3. All results are reported innanograms per liter (ng/L) or partsper trillion (ppt)4. -Red Text and Yellow highlighting indicates that the concentrations exceedregulatory cleanup criteria
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0 150 30075Feet
9/26/2018
PFOS 139
PFOA 84
PFAS (Total) 664.01
SP-2
5/8/2018
PFOS 140
PFOA 30
PFAS (Total) 500
SP-6
12/5/2018 4/25/2019
PFOS ND ND
PFOA ND ND
PFAS (Total) ND ND
MW-2
12/4/2018 4/25/2019
PFOS ND ND
PFOA ND ND
PFAS (Total) ND 3.60
MW-1 *(Abandoned)
12/4/2018 4/25/2019
PFOS ND ND
PFOA ND ND
PFAS (Total) ND ND
MW-4
12/5/2018 4/25/2019
PFOS ND ND
PFOA ND ND
PFAS (Total) ND 1.85
MW-5
12/5/2018 4/25/2019
PFOS ND ND
PFOA 5 1.96
PFAS (Total) 24 21.25
MW-8
12/5/2018 4/25/2019 10/2/2019
PFOS 6 2.72 7.19
PFOA 41 5.88 26
PFAS (Total) 70 22.48 49.88
MW-12
12/4/2018 4/25/2019 10/1/2019
PFOS ND ND 2.56
PFOA ND ND ND
PFAS (Total) ND ND 2.56
MW-18
12/4/2018 4/25/2019 10/3/2019
PFOS ND ND 2.76
PFOA ND ND ND
PFAS (Total) ND 17.07 2.76
MW-21
4/25/2019 10/2/2019
PFOS 63.5 100
PFOA 11.8 11.6
PFAS (Total) 152.27 160.85
MW-22
12/5/2018 4/25/2019 10/1/2019
PFOS ND 8.57 ND
PFOA 3 3.37 ND
PFBS 3,100 4,790 2,310
PFAS (Total) 3,141 4,845 2,325
MW-23
10/1/2019
PFOS 4.41
PFOA 2.45
PFAS (Total) 18.19
MW-26
12/5/2018 4/25/2019 11/25/2019
PFOS 340 386.0 164.0
PFOA 30 35.9 29.2
PFAS (Total) 382 447.16 261.69
MW-14/14R