Pollution Indices

Industrial

Roadside

Commercial

Residential/Parkland

Degree of Contamination (DOC)

249

50

48

13

Pollution Load Index (PLI)

4.1

2.2

1.9

0.6

CF for Pb

151

28

24

7

CF for Zn

66

6

9

2

CF for Ni

20

10

5

1.4

CF for Mn

8

3

9

2

CF for Cr

4

2

1

0.3

CF for Hg

0.03 - 0.2 (µg/l)

Not Detected

Not Detected

Not Detected