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Mean concentrations of heavy metals in soils from different functional areas (mg/kg d.m.).
| As | Pb | Cu | Cd | |
|---|---|---|---|---|
| Mining Area A | 244.25 | 540.07 | 111.03 | 5.72 |
| Smelting Area B | 153.92 | 97.92 | 49.95 | 3.28 |
| Processing Area C | 170.84 | 315.29 | 93.99 | 5.06 |
| Control Area D | 53.77 | 64.34 | 36.57 | 2.41 |
