Experiment 3. Measured concentrations for chamber
Experiment 4. Measured concentrations for chamber
study using a 1.0-L volume of VOCs in 5 mL of tetra-
study using a 10-L volume of VOCs in 5 mL of tetra-
glyme fortification solution and a 55-day exposure
glyme fortification solution and a 22-day exposure
period.
period.
Sample TDCE
Ben
TCE
Tol
PCE
p-Xyl
Sample TDCE
Ben
TCE
Tol
PCE p-Xyl
CRREL surface (mg/kg)
CRREL surface (mg/kg)
Dry
0.55 0.018
0.75
0.30
0.91
0.56
Dry 1 4.9
2.3
4.4
3.5
5.1
3.6
10%
0.48 0.002
0.55
0.14
0.63
0.25
Dry 2 4.8
1.9
3.6
3.0
4.1
3.2
20%
0.71 0.001
0.66
ND*
0.63
ND
10% 1 4.9
0.91
2.9
1.7
3.4
1.5
Sat'd
0.25 ND
0.28
ND
0.27
ND
10% 2 3.4
1.2
IF*
1.8
3.2
1.6
20% 1 5.2
0.35
2.9
0.97
2.9
0.53
CRREL deep (mg/kg)
20% 2 4.6
0.91
2.7
1.4
2.7
1.1
Dry
0.030 0.001
0.071 0.027
0.12
0.061
Sat'd
0.73 0.60
0.49
0.059
0.33
0.33
10%
0.088 0.003
0.13 0.034
0.21
0.048
20%
0.20 0.0008
0.21
ND
0.16
ND
CRREL deep (mg/kg)
Sat'd
0.20 0.002
0.21 0.004
0.16
ND
Dry 1 0.14 0.012
0.22
0.25
0.46
0.35
Dry 2 0.18 0.015
0.26
0.25
0.46
0.31
Wisconsin (mg/kg)
10% 1 1.4
0.057
0.84
0.45
0.98
0.33
Dry
0.069 0.004
0.19
0.071
0.28
0.15
10% 2 0.81 0.047
0.75
0.47
1.2
0.42
5%
0.11 0.005
0.22
0.070
0.31
0.14
20% 1 2.1
0.090
1.1
0.58
0.98
0.32
10%
0.14
ND
0.22
ND
0.31
ND
20% 2 2.2
0.095
1.1
0.59
0.90
0.32
Sat'd
0.18 ND
0.23
ND
0.25
ND
Sat'd
2.2
0.048
1.0
0.30
0.60
0.14
Water--membrane (mg/L)
Wisconsin (mg/kg)
1
1.3
0.046
1.4
0.37
0.94
0.36
Dry
0.72 0.058
1.1
0.90
1.4
0.98
2.
1.3
0.044
1.3
0.38
0.96
0.30
5%
0.5.2 0.036
0.73
0.43
1.0
0.28
Water--no cover (mg/L)
10%
1.3
0.054
1.1
0.52
1.2
0.30
1
1.2
0.046
1.2
0.34
0.74
0.31
Sat'd
2.1
0.001
1.3
0.002
1.3
0.057
2
1.2
0.044
1.2
0.34
0.72
0.29
Water--membrane (mg/L)
Chamber gas (mg/L)
1
18
7.3
8.6
4.1
4.5
1.7
0.17 0.005
0.19
0.034
0.21
0.028
2
16
7.0
8.4
4.2
4.8
1.7
* Not detected.
Chamber gas (mg/L)
1.8
0.70
1.1
0.46
0.98
0.20
* Instrument failure.
14
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