Table 5.129
(continued)
S/N Test item
Unit
4# Background
monitoring well
1#
2#
6#
7#
Monitored
value
Pollution
index
Monitored
value
Pollution
index
Monitored
value
Pollution
index
Monitored
value
Pollution
index
24
As
mg/L
<0.0005
0.0026
5.20
<0.0005
0.00
0.0087
17.40
<0.0005
0.00
25
Total phosphorus
mg/L
0.041
2.73
66.59
0.174
4.24
2.05
50.00
<0.010
0.00
26
Chemical oxygen
demand
mg/L
<10
<10
0.00
<10
0.00
<10
0.00
<10
0.00
27
Suspended matter
mg/L
<4
<4
0.00
<4
0.00
<4
0.00
7
1.75
5.6 East China
381