Groundwater Sampling Devices
45
Table A4. Concentrations (mg/L) of VOCs in the high-level study.
Discrete Interval Sampler
BENZ
M-XYL
PCE
Sample No.
Control
Sampler
Control
Sampler
Control
Sampler
1
133
133
148
140
149
139
2
131
132
139
141
138
140
3
132
130
144
138
142
137
4
134
133
147
146
147
145
5
132
131
143
142
143
140
6
134
127
148
136
149
136
7
133
146
147
Mean
133
131
145
140
145
139
HydraSleeve
1
136
136
148
143
142
142
2
135
134
142
142
125
141
3
142
137
158
146
160
143
4
136
136
146
143
144
140
5
138
137
149
149
148
149
6
135
134
146
140
145
136
Mean
137
136
148
144
144
142
Kabis Sampler
1
142
141
160
153
166
152
2
136
138
147
150
147
148
3
139
139
154
149
157
147
4
137
139
152
155
155
155
5
135
136
148
145
150
140
6
135
134
149
142
151
143
7
132
145
145
Mean
137
138
151
149
153
147
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