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Iranian Journal of Medical Physics، جلد ۲۱، شماره ۳، صفحات ۱۳۸-۱۴۶
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عنوان انگلیسی Associated with Consumption of Water, Oreochromis niloticus and Chrysichthys nigrodigitatus from Ero Dam, Ekiti, Nigeria
چکیده انگلیسی مقاله 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.
کلیدواژه‌های انگلیسی مقاله Excess life cancer risk, annual effective ingestion dose, water, FISH, gamma spectrometry
نویسندگان مقاله | Margaret Adedokun
Department of Physics University of Lagos Akoka


| Olusola Oyebola
Department of Physics University of Lagos Akoka


| Ayo Ibitoye
Dept. of Radiation Biology and Radiotherapy College of Medicine, University of Lagos, Idi-Araba, Lagos, Nigeria


| Jamiu Akinade
Department of Physics, Faculty of Science, University of Lagos
نشانی اینترنتی https://ijmp.mums.ac.ir/article_22346.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Paper
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