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International Journal of Radiation Research، جلد ۱۸، شماره ۲، صفحات ۲۲۷-۲۳۳
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عنوان انگلیسی Measurement of 222-Rn concentration levels in drinking water samples from Qena city (Egypt) and evaluation of the annual effective doses
چکیده انگلیسی مقاله Background: Radon is one of the most important radionuclides, formed from the decay of the element radium and more soluble in water. As drinking water is a vital source of life, control of its quality is critical. Drinking water containing high radon levels presents a serious risk to human health. Thus awareness of radon levels in drinking water is extremely significant to protect against radiation exposure. We measured 222Rn concentrations in different types of drinking water from Qena city, Egypt. Materials and Methods: 111 water samples were collected from various sources in Qena city (77 samples of household tap water, 14 samples of bottled water and 20 samples from municipal public water supply locations). The 222Rn concentrations were determined using an AlphaGUARD radon gas analyzer. We calculated annual effective dose due to ingestion and inhalation of 222Rn present in these waters. Results: 222Rn concentration ranges were as follow: 22.0±0.7 to 118±3 mBq l-1, from tap water 14±3 to 237±5 mBq l-1 from bottled water and 6.0±0.5 to 30.0±0.9 mBq l-1 from municipal public supplies. The annual effective dose due to inhalation and ingestion of 222Rn in all types of drinking water measures less than the recommended reference level of 100 µSv y-1. Conclusion: Based on the obtained results, 222Rn concentrations in the studied water samples were less than the permitted concentrations of USEPA and WHO guidelines.
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نویسندگان مقاله | S.D. Khaled
Department of Physics, Faculty of Science, South Valley University, Qena 83523, Egypt


| A.M. Khaled
Department of Physics, Faculty of Science, South Valley University, Qena 83523, Egypt


| R.H. Shaban
Department of Physics, Faculty of Science, South Valley University, Qena 83523, Egypt


| A. Abdel Baset
Department of Physics, Faculty of Science, South Valley University, Qena 83523, Egypt
نشانی اینترنتی http://ijrr.com/browse.php?a_code=A-10-2055-7&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Medical Physics
نوع مقاله منتشر شده تحقیق بدیع
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