Table 9 Comparison of the concentrations of elements in the studied area with the values from the region, Europe, and the world (Facchinelli et al., 2001 ; Franco-Uria et al., 2009 )
| Â | Europe mean | Area mean | World median | Area median |
|---|---|---|---|---|
As | 11.6 | 15.79 | 5 | 12.5 |
Cu | 17.3 | 36.2 | 25 | 35.5 |
Fe | 2.17 | 2.94 | 4 | 4 |
Cd | 0.284 | 0.15 | 0.3 | 0.11 |
Zn | 60.9 | 80.03 | 70 | 76 |
Cr | 94.8 | 96.81 | 80 | 94 |
Co | 8.91 | 18.95 | 10 | 19 |
Pb | 32.6 | 25.66 | 17 | 24 |
Ni | 37.3 | 69.03 | 50 | 68 |
V | 68.1 | 109.41 | 90 | 110 |
Sb | 1.04 | 2.9 | 0.5 | 2.5 |