Sl. No. | Sample reference | Cd | Cu | Fe | Ni | Pb | Zn |
1 | Urban wastewater (mg/L) | BDL | 0.04 | 1.36 | 0.39 | 0.04 | 0.67 |
2 | Biosolids (mg/Kg) | BDL | BDL | 17.1 | 0.32 | 0.10 | 0.98 |
3 | Soil (mg/Kg) | BDL | 113.9 | 919.2 | 103.7 | 9.58 | 138.9 |