| SAMPLE CODE | Pb Mg/Kg | Hg Mg/Kg | Cd Mg/Kg | Zn Mg/Kg |
| Manihot esculenta Peels | 0.46 | <0.001 | <0.002 | 0.12 |
| Manihot esculenta Flesh | 0.89 | <0.001 | <0.002 | 0.12 |
| Carica papaya Peels | 0.46 | <0.001 | <0.002 | 0.46 |
| Carica papaya Flesh | 0.89 | <0.001 | <0.002 | 0.50 |
| Zea mays Husk | 0.67 | <0.001 | <0.002 | 0.26 |
| Zea mays Seed | 1.30 | <0.001 | <0.002 | 0.46 |
| Abelmoschus esculentus | 0.67 | <0.001 | <0.002 | 0.48 |