APPENDIX A: MEAN NORMALIZED CONCENTRATIONS OF TCE
Table A1. Mean normalized concentrations of
Table A2. Mean normal-
TCE sorbed by various lengths of tubing at a
ized concentrations of
TCE sorbed by 500 ft of
flow rate of 100 mL/min.
LDPE tubing at a flow
Time
rate of 100 mL/min.
(hr)
PVDF
LDPE
PP2
PP1 P(VDF-HFP)
Time
10 ft
(hr)
Concentration
0.17
1.02
0.97
0.90
0.94
1.01
0.5
1.01
0.98
0.90
0.92
0.98
0.17
0.08
1
0.98
0.97
0.90
0.91
0.98
0.5
0.13
4
1.00
0.99
0.93
0.92
0.98
1
0.21
8
1.00
0.99
0.95
0.95
0.98
4
0.39
13
1.00
0.99
0.95
0.96
0.96
8
0.39
24
1.00
0.99
0.96
0.95
0.97
24
0.76
48
0.99
0.98
0.96
0.96
0.96
48
0.86
72
0.98
0.99
0.95
0.95
0.99
72
0.87
144
0.90
50 ft
192
0.88
0.17
0.98
0.79
0.61
0.63
0.96
0.5
0.97
0.86
0.65
0.67
0.95
1
0.97
0.87
0.63
0.64
0.97
4
0.98
0.94
0.66
0.69
0.97
Table A3. Mean normalized
8
0.98
0.95
0.74
0.77
0.98
concentrations of TCE sorbed
24
0.99
0.95
0.83
0.82
0.97
by 100 ft of tubing material at
48
1.00
0.96
0.80
0.83
0.99
a flow rate of 1,000 mL/min.
72
0.97
0.99
0.90
0.87
0.97
96
0.99
1.00
0.91
0.90
0.98
Time
Treatment
168
0.99
0.98
0.91
0.82
0.98
(hr)
PVDF
LDPE
PP1
192
0.97
0.95
0.91
0.81
0.96
216
1.00
0.98
0.90
0.82
0.98
0.17
1.06
0.99
0.92
240
0.96
0.95
0.87
0.88
0.96
0.5
0.98
0.97
0.92
1
1.03
0.98
0.97
100 ft
4
1.02
1.00
0.97
0.17
0.97
0.65
0.41
0.44
0.96
8
1.00
0.99
0.94
0.5
0.98
0.76
0.39
0.44
0.95
24
0.99
1.01
0.96
1
0.98
0.81
0.40
0.48
0.96
48
1.00
1.00
0.97
4
0.99
0.87
0.41
0.49
0.95
96
1.00
1.00
0.99
8
0.98
0.87
0.44
0.55
0.96
168
1.00
1.00
0.99
24
0.99
0.96
0.66
0.70
0.98
48
0.99
0.98
0.75
0.77
0.98
74
1.00
0.96
0.69
0.69
0.97
96
0.99
0.98
0.75
0.74
0.98
168
0.99
0.96
0.57
0.68
0.97
264
0.98
0.99
0.74
0.73
0.97
384
0.98
0.99
0.67
0.69
1.00
17
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