Table A4. Fourth VOC study--Effect of sol-
Table A5. Fifth VOC Study--Effect of room
vent rinsing.
temperature and oven air drying.
Analyte conc. (mg/L) in controls
Analyte concentration (mg/L) in controls
MNT
TCE
PDCB
PCE
MNT
TCE
PDCB
PCE
A
2.12
2.53
3.29
3.08
A
1.88
2.71
1.80
2.84
B
2.13
2.55
3.27
3.08
B
1.89
2.66
1.78
2.78
C
2.12
2.47
3.19
2.97
C
1.88
2.68
1.78
2.79
2.12
2.52
3.25
3.04
1.88
2.68
1.79
2.80
X
X
% RSD
0.3
1.7
1.6
2.1
% RSD
0.31
0.94
0.65
1.1
Desorbed conc. (mg/L) after the following treatments:
Desorbed conc. (mg/L) after the following treatments:
Material
Material
hot detergent wash and hot water rinse
air dry 24 hr
PTFE-A
LD
0.038
0.044
0.056
PTFE-A
0.002
0.036
0.029
0.062
PTFE-B
LD
0.046
0.062
0.075
PTFE-B
0.002
0.034
0.033
0.060
PTFE-C
LD
0.035
0.051
0.058
PTFE-C
0.002
0.040
0.038
0.063
LD
0.040
0.052
0.063
0.002
0.037
0.033
0.062
X
X
% RSD
14
17
17
% RSD
0
8.3
14
2.5
% of initial
1.6
1.6
2.1
% of initial
0.11
1.4
1.9
2.2
hot detergent wash, hot water rinse,
hot detergent wash, hot water rinse,
and methanol rinse
and air dry 24 hr
PTFE-A
LD
0.042
0.053
0.058
PTFE-A
LD
0.022
0.022
0.035
PTFE-B
LD
0.041
0.046
0.054
PTFE-B
LD
0.019
0.011
0.028
PTFE-C
LD
0.041
0.053
0.064
PTFE-C
LD
0.020
0.017
0.031
LD
0.041
0.051
0.059
X
LD
0.020
0.017
0.031
X
% RSD
1.4
8.0
8.6
% RSD
7.5
33
11
% of initial
1.6
1.6
1.9
% of initial
0.76
0.93
1.1
hot detergent wash, hot water rinse
hot detergent wash, hot water rinse, and
oven (105C) dry 24 hr
and hexane rinse
PTFE-A
LD
0.056
0.067
0.089
PTFE-A
LD
LD
LD
LD
PTFE-B
LD
0.040
0.049
0.060
PTFE-B
LD
LD
LD
LD
PTFE-C
LD
0.039
0.049
0.061
PTFE-C
LD
LD
LD
LD
LD
0.045
0.055
0.070
X
LD
LD
LD
LD
X
% RSD
21.1
19
24
MDL
0.001
0.004
0.005
0.007
% of initial
1.8
1.7
2.3
MDL
0.002
0.006
0.007
0.006
LD = less than detection limit.
LD = less than detection limit.
21
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