Assessment of indoor radon levels and associated hazards: effects of floor levels in residential buildings

Q4 Medicine

International Journal of Low Radiation Pub Date : 2014-01-01 DOI:10.1504/IJLR.2014.068277

S. Al-Omari

引用次数: 3

Abstract

The indoor radon concentrations in rooms of different floors in Irbid city in Jordan ranged from 8 to 50 Bq m−3 with an annual mean of 23 Bqm−3, which is less than the recommended action level. The average values of indoor radon concentrations in all investigated dwellings for basement floor, first floor, second floor, third floor and fourth floor were 36.13, 27.85, 21.24, 15.83 and 12.86 Bq m−3, respectively. The average annual effective dose is 0.318 mSv y−1 which is within the safe limits. Risk of lung cancer from the chronic exposure of the inhaled radon progeny may cause lung cancer of 6 cases per year per million person in Irbid city. Despite that the lung cancer, which is attributed to radon inhalation, forms about 5.7% of the total lung cancers, it is still a small ratio compared to risk of lung cancer caused by cigarette smoking and other factors which is 94.3%.

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室内氡水平及相关危害的评估:住宅楼楼层水平的影响

约旦伊尔比德市不同楼层室内氡浓度为8 ~ 50 Bqm−3，年平均值为23 Bqm−3，低于建议的行动水平。调查住宅地下室、一楼、二楼、三楼和四楼室内氡浓度平均值分别为36.13、27.85、21.24、15.83和12.86 Bq m−3。平均年有效剂量为0.318 mSv y−1，在安全范围内。在伊尔比德市，慢性暴露于吸入的氡子体可能导致肺癌的风险，每年每百万人中有6例。虽然吸入氡导致的肺癌占肺癌总数的5.7%左右，但与吸烟等因素导致的肺癌风险94.3%相比，仍然是一个很小的比例。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Low Radiation Environmental Science-Health, Toxicology and Mutagenesis

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期刊介绍： The IJLR is a peer-reviewed journal dedicated to the publication of research articles, review papers and technical notes in all domains related to low-dose radiation, among which are the biological and health effects in humans and the biota, in vitro and in vivo research on low radiation effects, regulatory and policy aspects, risk estimation and public perception.