Element

Soil 1

Soil 2

Soil 3

Enrichment Factor

Pb

8.85

9.72

13.41

Ni

17.31

25.73

20.20

Cu

0.11

0.14

0.15

Cr

0.35

0.40

0.44

Cd

10.24

11.36

12.33

Zn

0.20

0.47

0.23

I_geo class^a

Pb

1.01

1.02

1.11

Ni

1.28

1.40

1.26

Cu

1.71

0.31

0.25

Cr

0.73

0.76

0.69

Cd

1.30

1.31

1.24

Zn

0.49

0.56

0.41