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Adedokun, Margaret, Oyebola, Olusola, Ibitoye, Ayo, Akinade, Jamiu. (1403). Natural Radionuclides And Potential Radiological Hazard Associated with Consumption of Water, Oreochromis niloticus and Chrysichthys nigrodigitatus from Ero Dam, Ekiti, Nigeria. , 21(3), 138-146. doi: 10.22038/ijmp.2023.70728.2249
Margaret Bose Adedokun; Olusola Olurotimi Oyebola; Ayo Zacchaeus Ibitoye; Jamiu Adelakin Akinade. "Natural Radionuclides And Potential Radiological Hazard Associated with Consumption of Water, Oreochromis niloticus and Chrysichthys nigrodigitatus from Ero Dam, Ekiti, Nigeria". , 21, 3, 1403, 138-146. doi: 10.22038/ijmp.2023.70728.2249
Adedokun, Margaret, Oyebola, Olusola, Ibitoye, Ayo, Akinade, Jamiu. (1403). 'Natural Radionuclides And Potential Radiological Hazard Associated with Consumption of Water, Oreochromis niloticus and Chrysichthys nigrodigitatus from Ero Dam, Ekiti, Nigeria', , 21(3), pp. 138-146. doi: 10.22038/ijmp.2023.70728.2249
Adedokun, Margaret, Oyebola, Olusola, Ibitoye, Ayo, Akinade, Jamiu. Natural Radionuclides And Potential Radiological Hazard Associated with Consumption of Water, Oreochromis niloticus and Chrysichthys nigrodigitatus from Ero Dam, Ekiti, Nigeria. , 1403; 21(3): 138-146. doi: 10.22038/ijmp.2023.70728.2249

Natural Radionuclides And Potential Radiological Hazard Associated with Consumption of Water, Oreochromis niloticus and Chrysichthys nigrodigitatus from Ero Dam, Ekiti, Nigeria

Iranian Journal of Medical Physics
دوره 21، شماره 3، مرداد و شهریور 2024، صفحه 138-146    اصل مقاله (1.81 M)
نوع مقاله: Original Paper
شناسه دیجیتال (DOI): 10.22038/ijmp.2023.70728.2249
نویسندگان
Margaret Bose Adedokun* 1؛ Olusola Olurotimi Oyebola2؛ Ayo Zacchaeus Ibitoye3؛ Jamiu Adelakin Akinade4
1Department of Physics University of Lagos Akoka
2Department of Physics University of Lagos Akoka
3Dept. of Radiation Biology and Radiotherapy College of Medicine, University of Lagos, Idi-Araba, Lagos, Nigeria
4Department of Physics, Faculty of Science, University of Lagos
چکیده
Introduction: This study aims to evaluate the potential radiological hazard associated with the consumption of water and fish products from Ero Dam.
Material and Methods: The activity concentrations of 238U, 232Th and 40K in the samples were determined using gamma ray spectrometry.
Results: Mean activity concentrations of 238U, 232Th and 40K in water were 8.49 1.38, 4.12 0.40 and 150.99 10.80 Bq/l respectively. In Oreochromis niloticus and Chrysichthys nigrodigitatus mean specific activity were 23.17 7.25, 14.25 , 740.86  Bq/kg and 77.92 , 16.26 1.63, 842.90  Bq/kg respectively. Average annual effective dose for water (Hw) was 1.58 mSv/yr and for fish edible tissue (Hf) 0.16 mSv/yr. Mean concentrations of 232Th and 40K in water are 312% and 1400% higher than guidance levels and mean specific activity for 238U and 232Th in fish were about three orders of magnitude higher than reference values. Mean Hw is about 1500% higher than the reference level and the average Hf for fish is 540% higher than the recommended Hf for natural radionuclides in fish products. Mean ELCR from consumption of water, Oreochromis and Chrysichthys are 1900%, 62% and 131% higher than the world’s average value from carcinogens respectively.
Conclusion: Continuous consumption of water and fish products from Ero Dam is associated with potential radiation risks.
کلیدواژه‌ها
Excess Life Cancer Risk؛ Annual Effective Ingestion Dose؛ Water؛ Fish؛ Gamma Spectrometry
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