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2565826 
Journal Article 
Radon mitigation using an air cleaner 
Yasuoka, Y; Ishikawa, T; Tokonami, S; Takahashi, H; Sorimachi, A; Shinogi, M 
2009 
Yes 
Journal of Radioanalytical and Nuclear Chemistry
ISSN: 0236-5731
EISSN: 1588-2780 
279 
3 
885-891 
WOS:000263978300027 
Room experiments were conducted to investigate the effects of an air cleaner on radon mitigation. Radon concentration, equilibrium equivalent radon concentration and unattached fraction were measured during the experiments. Two types of filtration were tested using the air cleaner which has a high efficiency particulate air filter (HEPA-filter) and a deodorizing activated carbon (carbon-filter). One is the filtration with the HEPA-filter plus carbon-filter and the other is the filtration with only the HEPA-filter. The effective doses from radon progeny were significantly decreased. Both filtration methods were effective for the mitigation of effective dose due to radon progeny.