Table 3.
Oral exposure parameters used for the health risk assessment through different exposure pathways for soil
| Parameters | Unit | Child | Adult | References |
|---|---|---|---|---|
| Ingestion rate (IR) | mg/kg | 200 | 100 | Kamunda et al. (2016b), Kusin et al. (2018) |
| Exposure frequency (EF) | days/year | 350 | 350 | Kamunda et al. (2016b), Kusin et al. (2018) |
| Exposure duration (ED) | year | 6 | 30 | Kamunda et al. (2016b), Kusin et al. (2018) |
| Conversion factor (CF) | kg/mg | 10–6 | 10–6 | Kamunda et al. (2016b), Kusin et al. (2018) |
| Body weight (BW) | kg | 15 | 70 | Kamunda et al. (2016b), Kusin et al. (2018) |
| Average time (AT) | ||||
| For carcinogens | days | 365 × 70 | 365 × 70 | Kamunda et al. (2016b), Kusin et al. (2018) |
| For non-carcinogens | days | 365 × ED | 365 × ED | |