| Factor 1 | Factor 2 | Factor 3 | Factor 4 |
As | 0.75 | −0.03 | 0.48 | 0.13 |
Cd | 0.71 | −0.14 | 0.60 | 0.00 |
Cu | 0.82 | 0.00 | −0.26 | −0.39 |
Fe | −0.28 | 0.90 | 0.13 | 0.04 |
Li | 0.20 | −0.19 | 0.72 | 0.09 |
Mn | −0.15 | 0.86 | 0.30 | −0.15 |
Ni | 0.25 | 0.05 | −0.39 | 0.79 |
Pb | 0.72 | 0.20 | −0.41 | 0.04 |
V | 0.70 | 0.36 | 0.04 | 0.35 |
Zn | 0.77 | 0.16 | −0.35 | −0.37 |
Total Variation Explained (%) | 35.1 | 18.0 | 17.2 | 10.8 |