| Countries | Raeq (Bq∙kg−1) | References |
| Algeria | 112 | Amrani D. et Tahtat M. (2001) [6] |
| Nigeria | 101.2 | Olarinoye, I. Oyeleke (2013) [4] |
| Ghana | 90.1 | Kpeglo et al., (2011) [7] |
| Cuba | 74*; 83** | Brigido Flores O. et col (2008) [8] |
| Lebanon | 93*; 96** | Kobeissi M. A. et col (2008) [9] |
| Tunisia | 66*; 38** | FatenTurqui (2010) [10] |
| Australia | 115 | Kobeissi M. A. et col (2008) [9] |
| India | 580.1 | Olarinoye, I. Oyeleke et al. (2013) [4] |
| Cote d’Ivoire | 87.16* - 118.57* (101.55)* 60.21** | This work |