Table 2 Principal component illustrating the contributions of PTEs in the study area
PTEs | PC1 | PC2 |
|---|---|---|
Mn | 0.621 | 0.195 |
Ni | 0.497 | 0.709 |
Pb | 0.877 | − 0.306 |
Zn | 0.872 | − 0.076 |
As | 0.788 | − 0.491 |
Cd | 0.907 | − 0.311 |
Cr | 0.501 | 0.288 |
Cu | 0.577 | 0.667 |
Eigenvalues | 4.191 | 1.506 |
% variance explained | 52.38 | 18.83 |
cumulative % total | 71.21 |