12
8
Ben
Tol
4
E-Ben
p-Xyl
o-Xyl
TDCE
TCE
PCE
0
4
8
12
16
20
Holding Time (days)
a) 21 2C.
12
8
Ben
Tol
4
E-Ben
p-Xyl
o-Xyl
TDCE
TCE
PCE
0
4
8
12
16
20
Holding Time (days)
b) 4 2C.
Figure 2. Contaminated soil stored in sealed ampoules and held at two different
temperatures.
3