Indoor Radon Monitoring in Building Types of a Periurban Area in Cape Coast Metropolis, Southern Ghana

IF 4.3 2区 环境科学与生态学 Q1 CONSTRUCTION & BUILDING TECHNOLOGY
Indoor air Pub Date : 2024-08-17 DOI:10.1155/2024/8966193
Christiana Odumah Hood, Michael K. Miyittah, Charles A. Odame-Ankrah, Keren Abaidoo, Delali Tulasi, Ruth Serwaah Ampontuah, Dennis Kpakpo Adotey, Irene Opoku-Ntim
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Abstract

Radon is a source of ionizing radiation that shows a carcinogenic potential. Thus, tracking radon exposure levels in the environment and managing exposure conditions is necessary for reducing the hazards such as lung cancer, which is known to be the second largest impact of radon on humans worldwide. A LR-115 Type II strippable detector for monitoring radon radiation was installed in 30 mud and 26 block houses in the periurban (Duakor) areas in the Cape Coast Metropolis, Central Region, for 3 months to determine the exposure levels. The results showed that block houses (n = 26) had a radon ionization concentration in a range of 125–356 Bq m−3 and mean of 221 ± 61.4 Bq m−3, which was significantly higher than that of mud houses (n = 30), which ranged from 50.8 to 349 Bq m−3, with a mean of 186 ± 13.3 Bq m−3. About 80% and 10% of both types of houses showed levels that were above WHO’s lower (100 Bq m−3) and upper (300 Bq m−3) limits of the annual residential guidelines. Moreover, over 70% of both building types showed annual effective doses of indoor radon levels that were within the action levels (3–10 mSv year−1). The data shows that the occupants have lived in their apartments for more than 10 years, while only about 3.0% have ever received some education on radon. Additional steps to manage indoor radon exposure in the community to avoid lung cancer are necessary.

Abstract Image

加纳南部海岸角都市近郊区各类建筑的室内氡监测
氡是一种电离辐射源,具有致癌潜力。因此,有必要跟踪环境中的氡暴露水平并管理暴露条件,以减少肺癌等危害,众所周知,肺癌是氡对人类的第二大影响。在中部地区海岸角大都会的近郊区(Duakor)的 30 栋泥房和 26 栋楼房中安装了用于监测氡辐射的 LR-115 II 型可剥离探测器,为期 3 个月,以确定辐照水平。结果显示,幢式房屋(n = 26)的氡电离浓度范围为 125-356 Bq m-3,平均值为 221 ± 61.4 Bq m-3,明显高于泥房(n = 30),泥房的氡电离浓度范围为 50.8-349 Bq m-3,平均值为 186 ± 13.3 Bq m-3。两类房屋中分别约有 80% 和 10%的辐照水平超过了世界卫生组织的年度居住准则下限(100 Bq m-3)和上限(300 Bq m-3)。此外,超过 70% 的两类建筑显示室内氡气水平的年有效剂量在行动水平(3-10 mSv 年-1)之内。数据显示,住户在公寓中居住的时间已超过 10 年,而只有约 3.0% 的住户曾经接受过一些有关氡的教育。有必要采取更多措施来管理社区内的室内氡暴露,以避免肺癌的发生。
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来源期刊
Indoor air
Indoor air 环境科学-工程:环境
CiteScore
10.80
自引率
10.30%
发文量
175
审稿时长
3 months
期刊介绍: The quality of the environment within buildings is a topic of major importance for public health. Indoor Air provides a location for reporting original research results in the broad area defined by the indoor environment of non-industrial buildings. An international journal with multidisciplinary content, Indoor Air publishes papers reflecting the broad categories of interest in this field: health effects; thermal comfort; monitoring and modelling; source characterization; ventilation and other environmental control techniques. The research results present the basic information to allow designers, building owners, and operators to provide a healthy and comfortable environment for building occupants, as well as giving medical practitioners information on how to deal with illnesses related to the indoor environment.
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