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Descriptive statistical summary of heavy metal concentrations in soils and Reference values.
| Parameters | As (mg/kg) | Cr (mg/kg) | Cu (mg/kg) | Ni (mg/kg) | Pb (mg/kg) | Zn (mg/kg) |
|---|---|---|---|---|---|---|
| Mean | 3.2 | 203.3 | 253.3 | 73.1 | 68.6 | 229.6 |
| Minimum | 0.10 | 2.9 | 6.8 | 14.2 | 9.0 | 60.7 |
| Maximum | 15.9 | 707.1 | 2324.1 | 234.0 | 1664.5 | 961.8 |
| Std. Deviation | 4.0 | 108.1 | 347.4 | 22.8 | 153.0 | 137.6 |
| Skewness | 1.8 | 2.3 | 3.4 | 2.5 | 8.6 | 2.5 |
| Kurtosis | 1.8 | 7.0 | 13.4 | 20.2 | 87.3 | 9.9 |
| Reference value57 | 1.5 | 35.0 | 25.0 | 20.0 | 20.0 | 71.0 |
| Reference value82 | 12 | 64 | 63 | 45 | 70 | 250 |
