Table 1: Average concentrations of mercury (mg/kg) in hair samples of miner at the different sampling sites.
| Miners in area | Average concentration of mercury in mg/kg |
| W Bushara | 8.34 |
| Fuwail | 5.14 |
| Shawor | 7.26 |
| Braisi | 4.40 |
| Wadi-Al Rawyan | 3.04 |
| Khiari | 4.81 |
| Subagh | 3.49 |
| Gilaitah | 4.29 |
| Um Sarha | 3.26 |
| Ed-AL Wahash | 3.02 |