BC

Fe

Cr

Cu

Zn

Pb

Hg

Cd

As

BC

1.00

Fe

0.75

1.00

Cr

0.19

0.29

1.00

Cu

0.42

0.41

0.87

1.00

Zn

0.60

0.57

0.67

0.82

1.00

Pb

0.67

0.68

0.58

0.74

0.93

1.00

Hg

0.63

0.74

0.41

0.52

0.73

0.86

1.00

Cd

0.64

0.71

0.27

0.44

0.64

0.77

0.88

1.00

As

0.84

0.79

0.31

0.48

0.64

0.71

0.70

0.80

1.00