6
MeOH/CR-A
Tet/Ft. E
c
MeOH/Ft. E
Tet/Pt. B
Tet/CR-A
MeOH/Pt. B
a/b
b
a
c
a/b
c
a
a
4
a
a
a
a
a a
b
b
b
a
b
a/b
a/b
2
c
c
a
a
c
b
a
a
0
0
20
40
60
80
0
20
40
60
80
Time (days)
Time (days)
a. TDCE.
b
MeOH/CR-A
Tet/Ft. E
a/b
MeOH/Ft. E
Tet/Pt. B
12
b
Tet/CR-A
MeOH/Pt. B
a
a/b
a/b
a
a/b
c
8
c
a
a/b
b
b
b
b
b
4
a
c
b/c
a
a/b
a/b
c
c
c
a
b
a
0
0
20
40
60
80
0
20
40
60
80
Time (days)
Time (days)
b. CDCE.
MeOH/CR-A
Tet/Ft. E
b
a
MeOH/Ft. E
Tet/Pt. B
a
a/b
Tet/CR-A
MeOH/Pt. B
a
a/b
a/b
a/b
8
b
c
a/b
b
a/b/c
c
a/c
b
b
b
4
a
a
c
b/c
a/b
b
d
a
c
c/d
b
a
0
0
20
40
60
80
0
20
40
60
80
Time (days)
Time (days)
c. Ben.
Figure 2. Mean analyte concentrations determined for each extractant and extraction period for the
CR-A, Ft. E, and Pt. B vapor-fortified soils with MeOH and tetraglyme. Soils designated with differ-
ent letters are significantly different at the 95% confidence level.
9
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