Country | Activity concentrations in (Bq/L) | References | ||
226Ra | 232Th | 40K | ||
Saudi Arabia (Al-Baha) | 0.65 | 0.16 | 2.42 | Present work |
Saudi Arabia (Jeddah) | 0.56 | 0.21 | 4.58 | ( |
Jordan | 0.131 | 0.049 | 0.194 | ( |
Nigeria | 4.54 | 0.50 | 2.94 | ( |
Yemen | 3.31 | 0.94 | 0.22 | ( |
Ghana | 0.38 | 0.54 | 5.05 | ( |
WHOO | 1 | 0.1 | 10 | ( |