pH

Cond.

Pb

Cu

Fe

Mn

Cr

Cd

pH

1

Cond.

0.912

1

Pb

0.670

0.306

1

Cu

0.997*

0.877

0.725

1

Fe

0.666

0.300

1.000**

0.721

1

Mn

−0.674

−0.918

0.096

−0.615

0.102

1

Cr

−0.477

−0.796

0.333

−0.408

0.338

0.971

1

Cd

^b

^b

^b

^b

^b

^b

^b

^b