| Metals (mg/kg) | 10 m | 11 m | 12 m | 13 m | 14 m | 29 m | 59 m | 109 m | Background values |
| Cr | 234.00 ± 1.00 | 208.20 ± 10.00 | 184.00 ± 5.00 | 158.00 ± 0.00 | 111.00 ± 2.00 | 20.00 ± 4.00 | 18.00 ± 3.70 | 14.80 ± 2.80 | 1.80 ± 0.20 |
| Pb | 7.20 ± 1.00 | 5.90 ± 1.00 | 3.20 ± 0.80 | 1.90 ± 0.80 | 1.20 ± 0.10 | 1.10 ± 0.00 | 1.10 ± 0.20 | 1.10 ± 0.40 | 1.00 ± 0.04 |
| Zn | 396.80 ± 9.00 | 301.00 ± 6.00 | 233.20 ± 5.00 | 134.10 ± 12.00 | 76.00 ± 10.00 | 23.80 ± 5.20 | 19.60 ± 3.60 | 15.00 ± 3.00 | 3.80 ± 0.80 |
| Mn | 104.00 ± 1.00 | 88.40 ± 1.00 | 81.70 ± 3.00 | 65.00 ± 0.00 | 54.00 ± 2.00 | 23.90 ± 4.00 | 24.40 ± 3.00 | 20.00 ± 0.00 | 5.00 ± 0.30 |