Table 4: Ecological risk factor.

Source

Zn

Cu

Cd

Pb

Cr

Indust

0.0075

0.0094

2.7375

0

0

Cont

0.0589

0.3763

12.4500

0.0007

0.0008

Toxic Response factor 

1.00

5.00

30.00

5.00

2.00