APPENDIX A: TEST RESULTS
Table A1. Concentration (mg/L) of analyte solutions exposed to various tubing
materials.
Exposure time
Analyte
(hr)
NB
TDCE
MNT
TCE
CLB
ODCB
PDCB
PCE
Controls
1
11.6
10.9
11.4
15.7
12.6
12.2
11.4
13.1
1
11.6
11.0
11.5
16.0
12.8
12.4
11.6
13.4
1
11.7
11.2
11.6
16.2
12.9
12.5
11.7
13.5
1
11.5
10.9
11.4
15.9
12.7
12.3
11.5
13.3
1
11.5
10.7
11.3
15.7
12.6
12.2
11.4
13.0
1
11.8
11.0
11.6
15.9
12.8
12.4
11.6
13.1
X
11.61
10.94
11.46
15.91
12.74
12.32
11.53
13.24
8
11.9
12.4
11.8
17.5
13.7
12.8
11.3
14.4
8
10.9
11.0
10.9
16.2
12.3
11.9
11.5
13.4
8
11.2
10.9
11.1
16.0
12.2
11.8
11.4
13.3
8
11.0
11.0
11.0
16.3
12.3
12.0
11.9
14.1
8
11.2
10.9
11.1
16.1
12.3
11.9
11.5
13.7
8
11.2
10.8
11.2
16.0
12.3
12.0
11.4
13.5
X
11.25
11.17
11.18
16.36
12.51
12.07
11.50
13.75
24*
11.1
10.2
11.1
15.1
12.1
11.8
11.2
12.2
24
11.3
10.1
11.2
15.0
12.2
11.8
11.0
11.7
24
11.3
10.4
11.2
15.5
12.4
12.0
11.4
12.4
24
11.5
10.2
11.3
15.1
12.2
11.8
11.0
11.8
X
11.32
10.25
11.20
15.16
12.21
11.85
11.18
12.02
48
11.5
9.66
11.5
14.4
12.0
11.9
11.1
11.6
48
11.6
9.93
11.6
14.8
12.3
12.1
11.4
12.0
48
11.4
9.47
11.4
14.2
11.9
11.7
10.8
11.2
48
10.9
9.60
10.8
14.1
11.5
11.3
10.6
11.4
48
11.4
9.87
11.4
14.6
12.1
11.9
11.1
11.8
48
11.2
9.17
11.0
13.6
11.4
11.1
10.1
10.4
X
11.34
9.616
11.27
14.27
11.89
11.66
10.86
11.39
72
11.3
9.60
11.3
14.3
11.8
11.6
10.9
11.8
72
11.1
9.64
11.1
13.8
11.5
11.3
10.5
11.2
72
11.4
9.59
11.2
14.3
11.8
11.5
10.6
11.5
72
11.3
9.24
11.3
13.8
11.5
11.4
10.6
11.2
72
11.2
9.09
11.2
13.6
11.4
11.3
10.4
11.0
72
11.2
9.24
11.1
13.8
11.6
11.4
10.5
11.2
X
11.25
9.401
11.20
13.93
11.61
11.41
10.59
11.32
Polyurethane
1
0.773
0.395
0.431
0.375
0.252
0.241
0.199
0.286
1
0.882
0.406
0.543
0.342
0.231
0.224
0.178
0.228
X
0.827
0.401
0.487
0.359
0.242
0.232
0.188
0.257
8
0.294
0.137
0.054
0.075
0.032
0.010
D
0.028
8
0.307
0.124
0.053
0.070
0.032
0.012
D
0.023
X
0.301
0.130
0.053
0.072
0.032
0.011
D
0.025
24
0.245
0.036
0.032
0.039
0.018
0.007
D
0.016
24
0.230
0.046
0.030
0.037
0.018
0.006
D
0.028
X
0.237
0.041
0.031
0.038
0.018
0.006
D
0.022
48
0.227
D
0.021
0.017
0.013
D
D
0.007
48
0.244
D
0.024
0.018
0.014
D
D
0.008
X
0.236
D
0.022
0.018
0.013
D
D
0.007
* Analyses of two 24-hr control samples were not recorded by the integrator.
DConcentration of analyte was below MDL.
15
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