Table 6.21
TCE, cis-1,2-DCE, 1,1-DCE, and VC concentration (μg L
À1
) in the sampled water at two levels (H and B) of each control piezometer of line 2
Date
Individual COC
DCI2H
DCI2B
DCC2.1H
DCC2.1B
DCC2.2H
DCC2.2B
DCC2.3H
DCC2.3B
August 18, 2014
TCE
6400
6500
5400
5700
5300
3400
160
140
cis-1,2-DCE
1700
2300
2900
2600
3600
4800
5700
5400
1,1-DCE
8700
9200
9200
9300
6400
6100
4300
4100
VC
100
140
180
180
280
320
3700
3600
June 2, 2015
TCE
–
–
4800
3900
300
230
140
125
cis-1,2-DCE
–
–
2400
2800
2900
3300
3100
3000
1,1-DCE
–
–
9400
9100
2200
2300
2000
1950
VC
–
–
200
230
3500
4000
4100
4050
June 22, 2015
TCE
–
–
4600
3800
3400
3000
160
170
cis-1,2-DCE
–
–
3400
2800
2800
2500
2200
2700
1,1-DCE
–
–
7800
7100
5600
4200
940
1000
VC
–
–
220
260
740
640
2400
2900
July 8, 2015
TCE
–
–
3500
3300
2500
3100
220
130
cis-1,2-DCE
–
–
3200
2900
3300
2500
3300
3400
1,1-DCE
–
–
11,000
10,000
8100
8200
2300
2100
VC
–
–
210
200
1100
800
2800
3000
364
R. Rodrigues et al.