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A 222Rn survey and analysis for dwellings in Edirne (Türkiye) were performed to secure the radiological safety of persons and to provide information on the reduction of 222Rn exposure. Measurements of the 222Rn activity concentration, together with meteorological conditions were carried out using an AlphaGuard 2000 Pro monitor. Excess lifetime cancer risks (ELCRs) and annual effective dose rates (AEDs) were estimated to indicate associated human health risks. The mean indoor radon concentration was within the reference value of 200–300 Bq m−3 as suggested by International Commission on Radiological Protection (ICRP) and World Health Organization (WHO). [ABSTRACT FROM AUTHOR]

The indoor radon concentrations in Kirklareli, Turkey were measured in living rooms of 19 houses during winter in 2019 using Airthings 222 Corentium Home Radon Gas Detector. The short-term and long-term measurements were performed in 1 and 7 days for each house to investigate radioactive radon gas exposure in Kirklareli buildings. The indoor radon concentrations were varied from 23 to 156 Bq m-3 for 1 day period and were varied from 16 to 77 Bq m-3 for 7 days period. The average radon gas concentration was found as 43.5 Bq m-3 and this result is higher than the average of Turkey and the world average. The annual effective doses due to radon gas exposure were also estimated. The annual effective dose rate ranged from 0.61 to 2.94 mSv y-1 with a mean value of 1.09 mSv y-1. [ABSTRACT FROM AUTHOR]