Metal | Mean (mg/kg) | Median | Min. | Max. | Range | Standard Deviation | Coefficient Of Variance % | Standard Error | World Average Data | Dutch Soil Standards |
Cd | 0.64 | 0.58 | 0.47 | 0.87 | 0.40 | 0.12 | 19.03 | 0.02 | 0.4 | 0.8 |
Co | 3.43 | 3.46 | 2.27 | 4.72 | 2.45 | 0.70 | 20.56 | 0.15 | 8 | 20 |
Cr | 11.59 | 10.50 | 7.90 | 21.22 | 13.32 | 3.13 | 27.07 | 0.70 | 70 | 100 |
Cu | 2.01 | 1.52 | 0.87 | 4.97 | 4.10 | 1.09 | 54.24 | 0.24 | 30 | 36 |
Ni | 8.96 | 8.27 | 5.57 | 12.22 | 6.65 | 2.14 | 23.97 | 0.48 | 50 | 35 |
Pb | 3.82 | 3.85 | 2.62 | 5.30 | 2.67 | 0.81 | 21.35 | 0.18 | 35 | 85 |
Zn | 5.50 | 5.06 | 2.75 | 10.40 | 7.65 | 2.05 | 37.33 | 0.45 | 90 | 140 |
Fe | 235.77 | 207.50 | 145.02 | 417.70 | 272.67 | 66.29 | 28.11 | 14.82 | 40,000 | - |