APPENDIX A: CHAMBER EXPERIMENTS
Concentrations Established for Soil, Water, and Vapor Samples
Experiment 1. Measured concentrations for chamber
Experiment 2. Measured concentrations for chamber
study using a 0.1-L volume of VOCs in 5 mL of tetra-
study using a 1.0-L volume of VOCs in 5 mL of tetra-
glyme fortification solution and a 26-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
0.14
0.004
0.075 0.020
0.097
0.035
Dry 1 0.47 0.056
0.36
0.22
0.40
0.24
10% 0.16
0.0004 0.084 0.004
0.087
ND*
Dry 2 0.56 0.057
0.36
0.23
0.40
0.24
20% 0.097 0.0002 0.062 0.0002
0.065
ND
10% 1 0.12 0.002
0.077
0.017
0.10
0.033
Sat'd 0.083 0.0001 0.053 ND
0.056
ND
10% 2 0.27 0.002
0.23
0.070
0.28
0.11
20% 1 0.091 0.001
0.069
0.002
0.092
0.006
CRREL deep (mg/kg)
20% 2 0.12
ND*
0.068
0.0006
0.080
ND
Dry
0.008 0.0003
0.007 0.001
0.011
0.003
Sat'd
0.034 0.001
0.028
0.0008
0.020
ND
10% 0.018 0.0001
0.013 ND
0.021
ND
20% 0.031 0.0002
0.018 ND
0.020
ND
CRREL deep (mg/kg)
Sat'd
0.034 0.0002
0.021 ND
0.021
ND
Dry 1 0.011 0.003
0.018
0.012
0.034
0.022
Dry 2 0.0064 0.002
0.015
0.012
0.035
0.024
Wisconsin (mg/kg)
10% 1 0.050 0.006
0.060
0.011
0.10
0.007
Dry
0.008 0.0004
0.014 0.004
0.026
0.008
10% 2 0.075 0.011
0.075
0.026
0.099
0.022
5%
0.016 0.0004
0.020 0.0006
0.036
0.001
20% 1 0.14 0.012
0.093
0.017
0.088
0.009
10% 0.026 0.0001
0.023 0.0001
0.034
0.009
20% 2 0.15 0.016
0.093
0.021
0.076
0.012
Sat'd
0.032 ND
0.018 ND
0.018
ND
Sat'd
0.13 0.009
0.078
0.001
0.063
ND
Water--membrane (mg/L)
Wisconsin (mg/kg)
1
0.21
0.007
0.11
0.018
0.083
0.015
Dry
0.064 0.013
0.099
0.050
0.12
0.066
IF†
2.
0.23 0.007
0.12
0.018
0.090
5%
0.066 0.011
0.086
0.032
0.12
0.042
Water--no cover (mg/L)
10%
0.12 0.014
0.11
0.012
0.13
0.025
1
0.20
0.007
0.10
0.016
0.063
0.014
Sat'd
0.12 0.005
0.066
0.009
0.042
0.013
2
0.22 0.008
0.11
0.019
0.071
0.014
Water--membrane (mg/L)
Chamber gas (mg/L)
1
1.1
0.14
0.63
0.25
0.38
0.14
0.036 0.0009
0.018 0.002
0.021
0.001
2.
0.95 0.13
0.56
0.23
0.36
0.13
* Not detected.
Chamber gas (mg/L)
† Instrumental failure.
0.14 0.018
0.094 0.026
0.088
0.013
* Not detected
13
Previous Page
