使用LR-115核径迹探测器对一些埃及住宅氡暴露的剂量评估

IF 1.8 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Applied Radiation and Isotopes Pub Date : 2025-09-19 DOI:10.1016/j.apradiso.2025.112188

S. Hussein A

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引用次数: 0

摘要

在埃及15个选定城市的180个住宅中，使用装有LR-115核径迹探测器的杯形技术，在一年的时间内测量了室内氡浓度。氡活度浓度范围为28 ~ 53 Bq m−3，平均值为38 Bq m−3。这些数值低于US-EPA （148 Bq m−3）、WHO （100 Bq m−3）和ICRP （200-300 Bq m−3）设定的阈值。室内氡平衡系数(F)范围为0.31至0.41，平均为0.37，接近辐射科委建议的0.40值。据估计，居民的年室内有效剂量在0.99至2.00毫西弗之间，平均为1.38毫西弗，低于全球背景水平（1.1毫西弗−1）和ICRP建议的行动水平（10毫西弗−1）。平均超额终身癌症风险（ELCR）估计为0.53%。这些调查结果表明，所调查住宅中的氡水平对居住者不构成重大健康风险。

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Dose assessment due to radon exposure in some Egyptian dwellings using LR-115 nuclear track detectors

Indoor radon concentrations were measured in 180 dwellings across 15 selected cities in Egypt, using the cup technique with LR-115 nuclear track detectors in place over a one-year period. Radon activity concentrations ranged from 28 to 53 Bq m⁻³, with an average value of 38 Bq m⁻³. These values are below the threshold set by US-EPA (148 Bq m⁻³), WHO (100 Bq m⁻³) and ICRP (200–300 Bq m⁻³). The indoor radon equilibrium factor (F) ranged from 0.31 to 0.41, averaging 0.37, close to the UNSCEAR recommended value of 0.40. The annual effective indoor dose to residents was estimated to range between 0.99 and 2.00 mSv, averaging 1.38 mSv, which is lower than both the global background level (1.1 mSvy⁻¹) and the ICRP's recommended action level (10 mSvy⁻¹). The mean excess lifetime cancer risk (ELCR) was estimated at 0.53 %. These findings suggest that radon levels in the surveyed dwellings pose no significant health risks to the occupants.

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来源期刊

Applied Radiation and Isotopes 工程技术-核科学技术

CiteScore

3.00

自引率

12.50%

发文量

406

审稿时长

13.5 months

期刊介绍： Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.