Indoor radon studies have been carried out in 100 dwellings of 20 villages in western districts of Haryana, India, using the solidstate nuclear track detector technique. LR115 Type II films in the bare mode were exposed for 1 year on a quarterly basis to cover all the four seasons for the measurement of indoor radon levels. The annual average indoor radon concentration in the study area varies from 126 to 546 Bq•m
, with an average value of 252 Bq•m
. Seasonal variation of indoor radon shows higher values in winter and lower values in summer. Lifetime fatality risk assessment and annual average dose received by the residents of the study area are also calculated to be within the recommended safe limit of 3?10 mSv per year. Hence, there is no significant threat to the residents due to presence of natural radon in the dwellings.
Keywords: indoor radon concentration, India, health risks, risk assessment, dwellings, LR115, low radiation, average dose, fatality risk, natural radon
International Journal of Low Radiation (IJLR) 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 vi » Read more