Elements | Median | Mean | Max | Min |
Cr | 64.9 | 21.4 | 253.8 | 72.0 |
Co | 6.2 | 1.3 | 23.6 | 7.8 |
Ni | 50.9 | 18.1 | 543.7 | 107.1 |
Cu | 50.6 | 15.3 | 921.1 | 109.8 |
Zn | 34.8 | 15.3 | 83.5 | 36.1 |
As | 4.1 | 1.8 | 7.0 | 2.3 |