Table 7: Hazard Index (HI) of heavy metals via ingestion, dermal and inhalation routes in children and adults in residential areas around Awotan Landfill, Ibadan, Southwest-Nigeria.
Age group |
Matrix |
1-150 m |
151- 300 m |
||||
Ingestion |
Dermal |
Inhalation |
Ingestion |
Dermal |
Inhalation |
||
Children |
Water |
3.77 |
158.63 |
nd |
2.01 |
86.03 |
nd |
Soil |
8677.94 |
57.24 |
8.61E-6 |
6848.93 |
56.51 |
5.55E-6 |
|
Adults |
Water |
1.62 |
212.16 |
nd |
0.86 |
115.31 |
nd |
Soil |
930.65 |
31.76 |
5.78E-6 |
734.27 |
21.15 |
4.75E-6 |