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Abstract
The purpose of this study is to provide basic data for the evaluation and management of health effects with respect to exposure to radon within residential environments in South Korea. It is part of a case-control study to develop a management plan based on indoor radon exposure levels and assess their impact on health. To investigate the long-term cumulative concentration levels of radon, 599 patients who have respiratory diseases were recruited in South Korea, and alpha track detectors were installed in their residences for a period of 3 months from mid-2015 to late 2016. A survey was then conducted to determine the factors affecting the radon concentration. The radon concentration levels were analyzed in conjunction with the survey results. The results show that the arithmetic mean of the radon concentrations in domestic residences was in the range of 70.8 ± 65.2 Bq/m3. An analysis of covariance (ANCOVA) was performed to identify the environmental factors affecting the radon concentration and contributing to variations in the residential radon concentration based on the height of the residence. The results show that the contribution of the local environmental factor to the variation in radon concentration (p < 0.05) was greater than that of other environmental factors. Although no statistically significant difference was found with regard to the construction year of the building before the control (p > 0.05), the same was found with regard to the construction year after the control (p < 0.05).

Author information

Park TH1, Kang DR2, Park SH3, Yoon DK3, Lee CM3.
1
Department of Chemical and Biological Engineering, SeoKyeong University, Seoul, 02713, South Korea. thp119@skuniv.ac.kr.
2
Institute of Genomic Cohort, College of Medicine, Yonsei University, Wonju, 26493, South Korea.
3
Department of Chemical and Biological Engineering, SeoKyeong University, Seoul, 02713, South Korea.