| Metal | PI | Classification |
| Pb | 6.96 | High contamination |
| Cr | 3.33 | High contamination |
| Cd | 731.48 | High contamination |
| Cu | 17.42 | High contamination |
| As | 7.70 | High contamination |
| Mn | 1.00 | Low contamination |
| Ni | 5.41 | High contamination |