Sample | Pb | Cu | Cd | Zn | Co | Cr | As | Mn | Ni | Fe |
St-1 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
St-2 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
St-3 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
St-4 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
St-5 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
St-6 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
St-7 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
St-8 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
St-9 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
Mean | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |