Variable

Factor 1

Factor 2

Cd

−0.095

−0.977

Cu

0.976

−0.017

Pb

0.890

0.105

Ni

0.612

0.230

Zn

0.681

0.531

Fe

0.828

0.280

Variance %

54.608

23.013

Cumulative %

54.608

77.621