N˚1 | Localities/Countries | CRn (Bq/m3) | Inhalation Dose (mSv) | RRLC (%) | Dose to lung (mSv/y) | LLC × 10−6 | ELCR |
1 | Poli (EICs) | 294 | 5.93 | 1.29 | 14.22 | 106.69 | 1.96E−02 |
2 | Lolodorf (EICs) | 687 | 13.85 | 1.82 | 33.24 | 249.30 | 4.57E−02 |
3 | Lolodorf (RADUET) | 92 | 1.85 | 1.08 | 4.45 | 33.38 | 6.12E−03 |
4 | Bakassi (EICs) | 1280.0 | 25.80 | 3.06 | 61.93 | 464.49 | 8.52E−02 |
5 | Douala (RADUET) | 139 | 2.80 | 1.13 | 6.73 | 50.44 | 9.25E−03 |
6 | Betaré-Oya (RADUET) | 133 | 2.68 | 1.12 | 6.44 | 48.26 | 8.85E−03 |
9 | EPA (US) | 148 | 2.98 | 1.14 | 7.16 | 53.71 | 9.85E−03 |
10 | WHO | 100 | 2.02 | 1.09 | 4.84 | 36.29 | 6.65E−03 |
11 | ICRP | 300 | 6.05 | 1.30 | 14.52 | 108.86 | 2.00E−02 |
Min (Cameroon) | 92.00 | 1.85 | 1.08 | 4.45 | 33.38 | 6.12E−03 | |
Max (Cameroon) | 1280 | 25.80 | 3.06 | 61.93 | 464.49 | 8.52E−02 | |
Average (Cameroon) | 437.50 | 8.82 | 1.59 | 21.17 | 158.76 | 2.91E−02 |