Table B2. Concentration of TCE (mg/L) in well water before and after flow-
ing through 500 ft of LDPE tubing at a rate of 100 mL/min.
Time (hr)
Treatment
0.17
0.5
1
4
8
24
48
72
144
192
initial
2.11
2.22
2.23
2.25
2.28
2.29
2.23
2.31
2.22
2.33
initial
2.11
2.23
2.16
2.25
2.27
2.31
2.24
2.21
2.21
2.32
initial
2.23
2.23
2.21
2.21
2.28
2.26
2.24
2.27
2.27
2.35
2.15a
2.23a
2.20a
2.24a
2.28a
2.29a
2.24a
2.26a
2.23a
2.33a
X
LDPE
0.177
0.305
0.457
0.864
0.894
1.77
1.91
1.96
2.02
2.06
LDPE
0.177
0.298
0.460
0.860
0.899
1.72
1.91
1.97
2.01
2.03
LDPE
0.172
0.290
0.457
0.860
0.902
1.74
1.92
1.96
2.01
2.04
0.175b
0.298b
0.458b
0.861b
0.898b
1.74b
1.91b
1.96b
2.01b
2.04b
X
For a given time, values with the same letter are not significantly different from each other.
Table B3. Concentration of TCE (mg/L) in well water before and after
flowing through 100 ft of tubing at a rate of 1 L/min.
Time (hr)
Treatment
0.17
0.5
1
4
8
24
48
96
168
initial
1.21
1.20
1.17
1.16
1.16
1.14
1.08
1.14
1.10
initial
1.15
1.22
1.16
1.16
1.16
1.15
1.11
1.12
1.10
initial
1.20
1.21
1.18
1.19
1.19
1.18
1.10
1.14
1.11
1.19b
1.21a
1.17b
1.17a
1.17a
1.16a
1.10a
1.13a
1.10a
X
PVDF
1.22
1.19
1.19
1.19
1.18
1.14
1.11
1.12
1.10
PVDF
1.27
1.15
1.22
1.21
1.15
1.15
1.09
1.15
1.10
PVDF
1.27
1.22
1.21
1.20
1.17
1.14
1.10
1.15
1.11
1.25a
1.19a
1.21a
1.20a
1.17a
1.14a
1.10a
1.14a
1.10a
X
LDPE
1.19
1.17
1.14
1.17
1.17
1.13
1.10
1.14
1.10
LDPE
1.11
1.20
1.16
1.20
1.15
1.14
1.10
1.13
1.11
LDPE
1.21
1.18
1.14
1.16
1.13
1.23
1.08
1.15
1.09
1.17b
1.18a
1.15c
1.18a
1.15a
1.17a
1.09a
1.14a
1.10a
X
PP1
1.10
1.11
1.12
1.12
1.10
1.12
1.07
1.12
1.11
PP1
1.10
1.12
1.14
1.12
1.09
1.11
1.06
1.11
1.09
PP1
1.08
1.09
1.14
1.16
1.10
1.11
1.07
1.12
1.08
1.09c
1.11b
1.13c
1.13b
1.10b
1.11a
1.07b
1.12b
1.09a
X
For a given time, values with the same letter are not significantly different from each
other.
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