Table 4.
Soil concentration ranges and regulatory guidelines for some heavy metals (expressed in mg kg−1 or g kg−1)
| This study | EPA screening levels1 | Dutch soil criteria2 |
||
|---|---|---|---|---|
| Industrial soil | Target value | Intervention value | ||
|
| ||||
| Ba | 5043–27,945 | 22,000 | 160 | 625 |
| Cd | 7.02–251 | 98 | 0.8 | 12 |
| Co | 0.75–9.20 | 35 | 9 | 240 |
| Cr | 4.3–22.1 | - | 100 | 380 |
| Cu | 20.0–197 | 4700 | 36 | 190 |
| Mo | 0.12–0.49 | 580 | 3 | 200 |
| Ni | 5.1–17.5 | 1100 | 35 | 210 |
| Pb | 112–38,008 | 800 | 85 | 530 |
| Sb | 0.11–1.75 | 47 | 3 | 15 |
| Zn | 1704–50,398 | 35,000 | 140 | 720 |