Table 6. Means and standard deviations of triplicate analyte concentrations established for experiment II
with vapor-fortified samples, for various extraction periods.
Analyte concentration (g/g)
Analyte concentration (g/g)
Analyte
Ott
Ft. E
CR
Pt. B
Analyte
Ott
Ft. E
CR
Pt. B
Tetraglyme extraction, 4 days
MeOH extraction, < 2 hours
4.010.14
1.570.11**
4.140.36**
3.870.06
1.830.10
4.910.06
TDCE
TDCE*
ND
12.40.46
1.860.08**
4.860.54**
11.90.25
2.230.09
6.300.13
CDCE
CDCE
ND
9.070.24
1.790.07**
4.550.34**
8.750.04
2.180.12
6.160.10
Ben
Ben
ND
8.150.25
2.510.12**
6.380.49**
7.810.14
2.990.09
8.190.11
TCE
TCE
ND
11.20.15
3.850.13**
10.10.62**
10.90.06
4.220.12
12.00.15
PCE
PCE
ND
14.70.40
3.230.18**
7.570.46**
14.10.32
3.600.10
9.670.08
Tol
Tol
ND
16.10.12
3.610.21**
8.620.48**
15.20.46
3.880.16
10.80.10
o-Xyl
o-Xyl
ND
18.10.30
3.800.48**
8.070.45**
17.10.35
4.070.16
9.810.09
E-Ben
E-Ben
ND
17.50.81
4.020.34**
8.880.36**
16.80.21
4.440.13
11.20.32
p-Xyl
p-Xyl
ND
MeOH extraction, 41 days
Tetraglyme extraction, < 2 hours
3.700.04
1.940.13
4.920.09
0.160.25†
3.730.05
1.070.04
2.890.21
TDCE
TDCE
11.40.36
2.580.11
6.190.06
CDCE 0.0820.011
11.70.23
1.210.05
3.170.23
CDCE
8.710.38
2.540.15
6.020.32
0.0810.004
8.560.11
1.110.03
3.050.19
Ben
Ben
7.630.10
3.590.10
8.420.26
0.0920.009
7.740.11
1.560.06
4.450.29
TCE
TCE
11.00.25
4.890.02
12.00.45
0.0840.007
10.80.20
2.330.04
7.340.33
PCE
PCE
14.00.25
4.330.22
9.590.27
0.0630.009
13.40.31
1.920.17
5.110.27
Tol
Tol
14.80.10
4.490.09
9.870.32
0.0400.003
14.70.26
2.120.02
5.570.37
o-Xyl
o-Xyl
17.60.15
4.870.09
9.800.13
0.0370.004
16.20.26
2.200.05
5.360.33
E-Ben
E-Ben
16.60.74
5.020.15
10.70.17
0.0450.007
16.20.15
2.370.10
5.940.29
p-Xyl
p-Xyl
Tetraglyme extraction, 41 days
MeOH extraction, 2 days
3.050.22
1.540.04
4.580.20
3.890.13
2.040.07
4.910.13
TDCE
TDCE
10.90.96
1.880.02
5.360.32
11.80.26
2.460.04
6.070.16
CDCE
CDCE
8.470.15
1.850.11
5.020.48
8.690.26
2.440.07
5.870.24
Ben
Ben
3.300.24
2.160.22
6.980.39
7.880.28
3.380.09
8.020.29
TCE
TCE
7.700.27
3.750.09
11.20.68
10.60.21
4.640.15
11.50.40
PCE
PCE
13.40.38
3.300.07
8.190.30
13.80.50
4.100.05
9.190.15
Tol
Tol
14.10.80
3.640.24
8.900.16
15.10.76
4.180.08
9.210.27
o-Xyl
o-Xyl
16.70.81
3.940.17
8.870.29
16.50.36
4.490.05
8.880.22
E-Ben
E-Ben
15.70.78
3.940.22
9.260.43
16.60.25
4.940.20
10.40.32
p-Xyl
p-Xyl
MeOH extraction, 79 days
Tetraglyme extraction, 2 days
3.720.18
1.730.36
4.720.11
3.850.11
1.310.06
3.450.29
TDCE
TDCE
11.40.32
2.420.22
5.980.07
11.80.56
1.520.05
3.850.40
CDCE
CDCE
8.320.20
2.350.20
5.670.12
8.650.33
1.430.07
3.580.32
Ben
Ben
7.630.24
3.490.13
7.930.05
7.650.34
2.010.11
5.090.41
TCE
TCE
10.20.21
4.690.06
11.10.15
10.70.21
3.210.15
8.320.69
PCE
PCE
13.60.31
4.340.09
9.210.12
13.40.46
2.590.13
6.030.57
Tol
Tol
15.40.31
4.860.17
9.990.10
14.70.26
2.880.22
6.320.49
o-Xyl
o-Xyl
17.50.51
4.890.16
9.120.13
17.00.12
3.180.16
6.350.93
E-Ben
E-Ben
16.10.78
5.180.06
10.70.17
16.30.30
3.380.26
7.070.67
p-Xyl
p-Xyl
Tetraglyme extraction, 79 days
MeOH extraction, 4 days
1.840.21
0.980.02
3.530.24
3.880.07
2.270.13
5.220.12
TDCE
TDCE
9.580.72
1.790.10
5.080.42
11.90.21
2.790.14
6.550.10
CDCE
CDCE
7.520.50
1.630.12
4.530.26
8.860.07
2.730.07
6.280.10
Ben
Ben
1.180.31
1.420.29
6.380.44
7.950.11
3.740.05
8.530.20
TCE
TCE
5.010.82
2.910.26
10.00.30
10.90.10
4.950.10
12.30.12
PCE
PCE
12.50.87
3.230.16
7.860.46
14.00.26
4.470.21
9.740.33
Tol
Tol
15.11.04
3.980.24
9.690.43
15.90.12
4.940.24
10.90.31
o-Xyl
o-Xyl
16.21.41
4.070.12
8.430.32
17.70.12
5.060.01
9.920.19
E-Ben
E-Ben
15.90.76
4.300.32
9.740.32
17.20.60
5.450.08
11.20.42
p-Xyl
p-Xyl
* See Table 2 for full names.
† Analyzed after 1 day extraction by transferring 1.0-mL aliquot to VOA vial and adding 9.0 mL of NaCl-saturated solution.
** Significantly different at the 95% confidence level, between MeOH and tetraglyme extractions.
8
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