Table 6.23
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 3
Date
Individual COC
DCI3H
DCI3B
DCC3.1H
DCC3.1B
DCC3.2H
DCC3.2B
DCC3.3H
DCC3.3B
Aug 18, 2014
TCE
11,000
11,000
11,000
12,000
10,500
11,000
3600
4500
cis-1,2-DCE
66
490
450
410
2000
1300
7800
7800
1,1-DCE
12,000
12,000
13,000
12,000
12,700
13,000
8200
9900
VC
68
130
110
120
150
150
2700
1900
Jun 2, 2015
TCE
–
–
8500
4000
9600
8800
350
420
cis-1,2-DCE
–
–
1300
2800
710
960
3900
3800
1,1-DCE
–
–
12,000
8000
13,000
12,000
4000
2600
VC
–
–
170
890
200
130
3600
4600
Jun 22, 2015
TCE
–
–
1900
2100
7800
7600
440
740
cis-1,2-DCE
–
–
180
220
950
1100
3700
3600
1,1-DCE
–
–
1600
1800
8800
8400
3200
3400
VC
–
–
18
19
100
120
2500
2500
Jul 8, 2015
TCE
–
–
2600
2200
6900
6900
370
720
cis-1,2-DCE
–
–
160
190
1200
1200
4400
5900
1,1-DCE
–
–
1500
950
13,000
13,000
4900
5800
VC
–
–
18
16
110
110
2900
3800
6 In Situ Chemical Reduction of Chlorinated Organic Compounds
369