| Variable | Factor-I | Factor-II | Factor-III |
| Cd | −0.35 | 0.79 | 0.03 |
| Cr | 0.93 | −0.12 | 0.30 |
| Cu | 0.97 | 0.06 | 0.21 |
| Fe | 0.83 | −0.15 | 0.50 |
| Mn | −0.16 | −0.02 | −0.98 |
| Pb | 0.97 | 0.09 | 0.15 |
| Zn | 0.97 | 0.00 | −0.23 |
| Hg | −0.37 | −0.75 | 0.03 |
| As | 0.98 | 0.02 | 0.17 |
| Eigenvalue | 5.90 | 1.25 | 1.15 |
| % Variance | 65.60 | 13.90 | 12.74 |
| % Cumulative Variance | 65.60 | 79.49 | 92.23 |