|
| Cu | Ni | Zn | Cr | Pb |
| Carrot | 17.6 | 11 | 42.95 | 1.3 | 27.02 |
| Onion leaves | 16.4 | 11.16 | 57.72 | 3.72 | 10.48 |
| Onion | 19.81 | 10.05 | 73.37 | 4.65 | 11.52 |
| Lettuce | 16.9 | 5.09 | 70.1 | 4.89 | 15.44 |
| Green bean | 16.06 | 8.58 | 78 | 5.89 | 4.09 |
| Bell Pepper | 19.65 | 7.01 | 70.39 | 3.56 | 1.73 |
| Average concentration | 17.74 | 8.82 | 65.42 | 4.00 | 11.71 |
| FAO/WHO safe limit in vegetables | 40 | 80 | 20 | 2.3 | 0.3 |