Fe

As

Cr

Cd

Cu

Ni

Pb

Sb

Zn

pH

EC

OM

Fe

1

As

0.01

1

Cr

0.76

0.15

1

Cd

0.99

0.002

0.78

1

Cu

0.39

0.80

0.58

0.38

1

Ni

0.28

0.30

0.77

0.32

0.65

1

Pb

0.50

−0.44

0.21

0.50

−0.03

0.007

1

Sb

0.84

0.30

0.66

0.82

0.49

0.20

0.28

1

Zn

0.19

0.48

0.57

0.22

0.74

0.86

0.09

0.31

1

pH

0.06

0.63

0.16

0.07

0.68

0.39

−0.09

0.14

0.43

1

EC

−0.55

0.22

−0.25

−0.52

0.06

0.31

−0.44

−0.55

0.39

0.13

1

OM

0.70

−0.35

0.45

0.74

−0.06

0.06

0.53

0.56

−0.01

0.07

−0.43

1