| Mamfe | Tombel | Con, Passi | Yato | LMB | Kumba2 | Yoke | Passi | MCL | Wi | Ii | Si | |
| Fe | 40 | bdl | bdl | 1 | bdl | 1 | 100 | 364 | 200 | 0.005 | 200 | 300 |
| Mn | bdl | 1 | bdl | bdl | bdl | bdl | 6 | 21 | 50 | 0.02 | 500 | 100 |
| Cu | bdl | bdl | bdl | bdl | bdl | bdl | bdl | bdl | 1000 | 0.001 | 2000 | 1000 |
| Zn | 0.005 | 0.003 | bdl | bdl | 0.17 | bdl | bdl | bdl | 5000 | 0.0002 | 3000 | 5000 |
| Ni | bdl | bdl | bdl | bdl | bdl | bdl | bdl | bdl | ||||
| Cd | bdl | bdl | 0.066 | 0.059 | 0.45 | 0.41 | 0.74 | 0.116 | 3 | 0.3 | 3 | 5 |
| Se | 0.027 | 0.018 | bdl | bdl | bdl | bdl | bdl | bdl | ||||
| As | 0.108 | 0.106 | 0.104 | 0.097 | 0.109 | 0.109 | 0.1 | 0.96 | 50 | 0.02 | 10 | 50 |
| Cr | bdl | bdl | bdl | bdl | bdl | bdl | bdl | bdl | 50 | 0.02 | 50 | 1 |
| Pb | na | na | na | na | na | na | na | na | 1.5 | 0.7 | 10 | 100 |