DEQ-CFW_00075037

Chemours Groundwater data with the most hits above 1MAC 2007-2015 for PFOA
Sampling Date
Number of
SMW-05P
SMW-06B
Sampling Points
u
u
9/2015
14 sampled, (2 dry
5.3 *
1.0
points)
4/2014
14 sampled, (2 dry
0.88
3.9
points)
6/2013
32 sampled, (2 dry
1.1
7.3
points)
3/2012
9 sampled, (2 dry
0.050
NS
points)
3/2011
9 sampled, (2 dry
3.6
NS
points)
3/2010
9 sampled, (2 dry
9.2
NS
oints)
3/2009
9 sampled, (2 dry
6.1
NS
points)
2/2008
9 sampled (1 dry
2.7
NS
point)
2/2007
10 sampled, (1
17
NS
point destroyed)
NS — Not sampled
• Note that a hit of 11 ug/I was found in LTW-05 for PFPeA during the 2015 sampling event.
DEQ-CFW 00075037

Chemours Groundwater data with the most hits above IMAC 2007-2015 for PFQA
Sampling Date
Number of
SMW-05P
SMW-06B
Sampling Points µ
/l
ug/1
9/2015
14 sampled, (2 dry
5.3*
1.0
points)
S3 uo f0t
4/2014
14 sampled, (2 dry
0.88
3.9
Dints)
Vd..�_
6/2013
32 sampled, (2 dry
1.1
7.3
Dints)
I+ u o t
3/2012
9 sampled, (2 dry
0.050
NS
5"", pip t-
_points)
3/2011
9 sampled, (2 dry
3.6
NS
to 00
_points)_
3/2010
9 sampled, (2 dry
9.2
NS
Dints)
UL)
3/2009
9 sampled, (2 dry
6.1
NS
rots)
I"
2/2008
9 sampled (I dry
2.7
NS
merit)
u
2/2007
10 sampled, (1
17
NS
Dint destroyed)
' ' '� D Py9t
NS — Not sampled
• Note that a hit of 11 ug/I was found in LTW-05 for PFPeA during the 2015 sampling event.
DEQ-CFW 00075038