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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Oyedele, J. A. Shimboyo, S. |
| Spatial Coverage | Africa, Southern |
| Description | Country affiliation: Namibia Author Affiliation: Oyedele JA ( Department of Physics, University of Namibia, Private Bag 13301, Windhoek, Namibia.) |
| Abstract | The activity concentrations of (238)U, (232)Th and (40)K in soil samples taken from four major towns across southern Namibia have been determined by gamma spectroscopy and used to calculate the mean dose rate, radium equivalent activity (Raeq) and external hazard index (Hex) for each town. The average concentrations of radionuclides in the towns vary from 10.7±3.1 to 35.6±8.4 Bq kg(-1) for (238)U, 12.3±4.9 to 77.8±20.9 Bq kg(-1) for (232)Th and 248.0±35.6 to 734.6±61.4 Bq kg(-1) for (40)K. These values are within the range of concentrations reported in some countries but most of the values for (232)Th and (40)K are above the worldwide averages. However, the mean effective dose rate of 0.08±0.03 mSv y(-1) and the mean values of Raeq and Hex for the region are below their respective permissible limits, thus indicating that radiation hazard is negligible in the region. |
| File Format | HTM / HTML |
| ISSN | 01448420 |
| Issue Number | 3 |
| Volume Number | 156 |
| e-ISSN | 17423406 |
| Journal | Radiation Protection Dosimetry |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2013-09-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Potassium Radioisotopes Uranium Analysis Soil Pollutants, Radioactive Spectrometry, Gamma Radiation Dosage Africa, Southern Discipline Radiobiology Journal Article Radiation Monitoring Thorium |
| Content Type | Text |
| Resource Type | Article |
| Subject | Radiology, Nuclear Medicine and Imaging Public Health, Environmental and Occupational Health Radiological and Ultrasound Technology Radiation |
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