강원도 지역 주택형태 및 계절에 따른 실내 라돈 농도에 관한 연구 = A Study of Construction Type and Seasonal Radon Concentration at Dwellings in Gangwon-do Province

다국어 초록 (Multilingual Abstract)

The purpose of this study was to compare construction type and seasonal radon concentration in dwellingsin Gangwon-do province. We investigated 66 dwellings using alpha-track detector between 2013 and 2014, every threemonths (seasonal) during one year using an alpha-track detector. The concentration of indoor radon for dwellings were84.5 (GM: 64.5) Bq/m3, and the range (min-max) was 21.0 to 503.5 Bq/m3. Indoor radon concentration was the highestin winter and the lowest in summer. Indoor radon concentration of “Before 1980(AM: 378.0±378.2, GM: 205.3 Bq/m3)”construction is higher than other construction years (p<0.01). Indoor radon concentration at “General house” was112.9±149.8 (GM: 78.0) Bq/m3 and at “Traditional korean house” was 194.3±118.6. Indoor radon concentration at“Traditional korean house” was 1.89 (geometric mean) times higher than at the “General house” (p<0.01). Also, Indoorradon concentration at ‘Type 1’ were 8.13 and 8.06 times higher, respectively, than that at other construction types(Type2, Type 3). This study suggests that a plan should implement for the management of indoor radon concentration indwellings, through a broad and detailed survey.

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