Table 3.
Summary of the average central value concentration of certain metals according to specific sample areas in e-waste sites.
| Metals | Abandoned Recycling Site | Around Recycling Site | Free Recycling Site | Recycling Site | Residential Area |
|---|---|---|---|---|---|
| Soil (mg/kg) | |||||
| As | 36.60 | 7.73 | 9.89 | 34.72 | 0.28 |
| Cd | 21.28 | 0.91 | 0.27 | 48.36 | 0.04 |
| Cr | 388.96 | 34.05 | 23.34 | 65.46 | 16.35 |
| Pb | 2221.70 | 97.86 | 32.75 | 729.95 | 3565.71 |
| Hg | 568.03 | 0.25 | 50.05 | 222.71 | |
| Water (mg/L) | |||||
| As | No data | 0.01 | 0.00 | 0.31 | 0.01 |
| Cd | 0.77 | 0.00 | 0.38 | 0.00 | |
| Cr | 4.88 | 0.00 | 0.30 | 0.01 | |
| Pb | 188.19 | 0.00 | 0.43 | 0.01 | |
| Hg | 0.00 | 0.00 | 0.06 | ||
| Sediment (mg/kg) | |||||
| As | No data | 0.29 | 6.36 | 11.39 | No data |
| Cd | 3.82 | 0.98 | 3.82 | ||
| Cr | 73.61 | 43.73 | 136.19 | ||
| Pb | 3894.50 | 82.62 | 9699.13 | ||
| Hg | 0.00 | 0.16 | 0.81 |