5 m bgs
6 m bgs
7 m bgs
Influent
Influent
Influent
Concentration
Mass
Concentration
Mass
Concentration
Mass
(mg/L)
Reduction (%)
(mg/L)
Reduction (%)
(mg/L)
Reduction (%)
Month
EDC Other CHCs EDC Other CHCs EDC Other CHCs EDC Other CHCs EDC Other CHCs
EDC
Other CHCs
39
–
–
–
–
12
105
88
85
–
–
–
–
91
7.7
7.7
99.5
89
127
56
82
51
15
44
90
99.8
Note:
MR is based on iron thickness of 1.2 m for 7 m bgs data.
271
1
d 9
n
9 a
s 3
h
t
n
o
r M
o
a f
t
a
r D
e
i
r
r
a
n B
o
r
e I
v
i
t
c
a
e
e R
l
c
S
-
t
o
l
i
TABLE 12.2
a
P
Case Study of PRB Application for the Remediation of Groundwater