Table 5 Geo-accumulation index (Igeo), contamination factor (CF) and potential ecological risk index (PERI).

From: Toxic and heavy metals contamination assessment in soil and water to evaluate human health risk

Index

TMs

HMs

Cr

Mn

Cu

As

Cd

Ba

Hg

Pb

Igeo

1.14

1.22

1.00

1.19

1.02

1.06

1.19

0.98

CF

3.31

3.49

3.02

3.43

3.04

3.14

3.43

2.97

PERI

6.618

15.095

34.280

152.15

137.12

14.835