Table 6.
Comparative analysis of mercury concentrations and Health Risk Assessment parameters in various ASGM studies.
| Country | Mercury Concentration | HI | Reference | ||
|---|---|---|---|---|---|
| Children | Adults | ||||
| Soil | |||||
| Brazil | Min (mg/kg) | 0.05 | 5.18 × 10−2 | 5.6 × 10−3 | [56] |
| Max (mg/kg) | 2.29 | 1.04 | 1.12 × 10−1 | ||
| Nigeria | Min (mg/kg) | 0.002 | 0.044211 | 0.031 | [57] |
| Max (mg/kg) | 20.99 | 4.863223 | 2.322 | ||
| Ghana | Min (mg/kg) | 0.2 | 0.5 | 0.1 | [58] |
| Max (mg/kg) | 43.3 | 76 | 10.9 | ||
| Sudan | Min (mg/kg) | 0.06 | 0.06 | 0.01 | This Study |
| Max (mg/kg) | 34.8 | 33.98 | 5.34 | ||
| Water | |||||
| Ecuador | Min (µg/L) | 0.6 | 0.29 | 0.1 | [59] |
| Max (µg/L) | 9.9 | 2.56 | 0.9 | ||
| Ghana | Min (µg/L) | 132 | N/A | 0.51 | [60] |
| Max (µg/L) | 866 | N/A | 4.6 | ||
| Sudan | Min (µg/L) | 0.27 | 0.15 | 0.03 | This Study |
| Max (µg/L) | 3.26 | 1.74 | 0.37 | ||
N/A for children [60]: Health risk assessment not conducted.