| Indices | Study average value | Global permissible value |
| Internal hazard (Hin) | 0.7 ± 0.04 mSv/y | A unit [21] |
| External hazard (Hex) | 0.6 ± 0.03 mSv/y | A unit [24] |
| Radium equivalent (Raeq) | 262 ± 12.04 Bq/Kg | 370 Bq/Kg [6] |