ArticleRadiation protection dosimetry2025
Assessment of radioactivity in soil samples from Wolaita Sodo town, Ethiopia: implications for environmental and public health.
Article in Radiation protection dosimetry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 3 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Setting the radiological baseline: measuring natural radioactivity (226Ra, 232Th, 40K) in agricultural soils of Farta District, Ethiopia, and assessing potential health risks.Journal of radiation research · 2026Article
- Current Status of Radon Concentrations in Greenhouses in China.China CDC weekly · 2026Article
- Assessment of natural radioactivity in urban soil samples from Dhaka city and its associated health hazard.PloS one · 2026Article
Corrections and comments
- Erratum issued
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study assesses the activity concentrations of the radionuclides 238U, 232Th, and 40K in soil samples collected from Wolaita Sodo town, located in the Southern Nations, Nationalities, and Peoples' (SNNP) Region, Ethiopia. A gamma-ray spectrometer equipped with a NaI(Tl) detector was used for the measurements. The concentrations of 238U, 232Th, and 40K varied from 3.25 ± 1.5 to 13.84 ± 2.2 Bq.kg-1, 0.4 ± 0.9 to 85.12 ± 3.4 Bq.kg-1, and 34.43 ± 2.7 to 748.07 ± 5.9 Bq.kg-1, respectively. The average activity concentrations were 7.83 ± 1.9 Bq.kg-1, 40.74 ± 2.7 Bq.kg-1, and 161.63 ± 3.9 Bq.kg-1 for 238U, 232Th, and 40K, respectively. The average radium equivalent activity was 192.25 Bq.kg-1, well below the recommended safety limit of 370 Bq.kg-1. The average gamma dose rate, and annual effective dose rate were 35.68 nGy.h-1, and 0.18 mSv.y-1, respectively. The internal and external indexes are below the recommended limit set by UNSCEAR and ICRP. However, the estimated excess lifetime cancer risk and indoor radon concentrations are slightly higher. Despite this, the overall radiological impact on the environment and public health in the study area remains negligible. This study provides valuable baseline data for radiation protection and informs urban and environmental policy in the region.
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