| Sample Location | GPS Coordinate | Gross Alpha Bq l−1 | Gross Beta Bq l−1 | AEDE mSv y−1 | AEDE mSv y−1 | AEDE mSv y−1 | AGDE mSv y−1 | ELCR mSv y−1 × 10−3 |
| Uzere West & East | 05˚25.57" 06˚13.09" | 7.10 ± 0.60 | 67.10 ± 4.60 | 2.90 | 33.80 | 36.70 | 169.73 | 0.130 |
| Olomoro/Oleh | 05˚28.98" 06˚08.37" | 1.10 ± 0.20 | 5.90 ± 0.30 | 0.45 | 2.97 | 3.42 | 14.96 | 0.012 |
| Oweh | 05˚29.55" 06˚07.32" | 0.20 ± 0.04 | 6.10 ± 0.40 | 0.08 | 3.07 | 3.15 | 15.37 | 0.010 |
| Evwreni | 05˚22.42" 06˚02.32" | 0.70 ± 0.05 | 36.70 ± 3.50 | 0.29 | 18.49 | 18.78 | 92.52 | 0.066 |
| Agbarha | 05˚32.19" 06˚02.33" | 0.07 ± 0.00 | 1.90 ± 0.30 | 0.03 | 0.96 | 0.99 | 4.81 | 0.004 |
| Kokori | 05˚39.17" 06˚04.25" | 0.60 ± 0.02 | 58.70 ± 5.60 | 0.25 | 29.57 | 29.82 | 147.91 | 0.104 |
| Afiesere | 05˚32.86" 06˚00.81" | 0.04 ± 0.00 | 3.20 ± 0.10 | 0.02 | 1.61 | 1.63 | 8.06 | 0.006 |
| Ughelli East | 05˚30.97" 06˚55.01" | 0.03 ± 0.00 | 5.80 ± 0.10 | 0.01 | 2.92 | 3.92 | 14.61 | 0.014 |
| Ughelli West | 05˚32.29" 06˚53.68" | 0.09 ± 0.01 | 9.40 ± 1.00 | 0.04 | 4.73 | 4.77 | 23.66 | 0.017 |
| Otorogu | 05˚25.03" 06˚53.09" | 0.05 ± 0.00 | 7.80 ± 0.80 | 0.02 | 3.93 | 3.95 | 19.66 | 0.014 |
| Mean |
| 1.00 ± 0.09 | 20.30 ± 1.70 | 0.41 | 10.23 | 10.64 | 51.25 | 0.037 |
| Control |
| 0.01 ± 0.00 | 0.60 ± 0.01 | 2.10 × 10−3 | 0.30 | 0.30 | 1.50 | 5.25 × 10−3 |
| WHO Recomendation |
| 0.1 | 1.0 |
| 0.1 | 0.1 | 0.30 | 0.29 × 10−3 mSv y−1 |