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Indoor Radon Measurement in Dwellings of Khorramabad City, Iran Publisher



Hassanvand H1 ; Hassanvand MS2 ; Birjandi M3 ; Kamarehie B4 ; Jafari A4
Authors
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Authors Affiliations
  1. 1. Student Research Committee, Lorestan University of Medical Sciences, Khorranabad, Iran
  2. 2. Center for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Nutrition Health Research Center, Department of Public Health, School of Health and Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran
  4. 4. Nutrition Health Research Center, Department of Environment Health, School of Health and Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran

Source: Iranian Journal of Medical Physics Published:2018


Abstract

Introduction: Exposure to indoor radon increases the risk of lung cancer. This study examined the level of indoor radon in dwellings of Khorramabad city, by using passive alpha-track detector (CR-39) during winter of 2016. Materials and Methods: In the present study, we detected the concentration of indoor radon in 56 dwellings. A passive sampling instrument (alpha-track detector with CR-39 polycarbonate films) was utilized to measure indoor radon gas concentration. The distribution map of indoor radon concentration was prepared using Arc GIS software. Results: Radon concentration in the dwellings varied from 1.08 to 196.78 Bq/m3, with a mean value of 43.43±40.37 Bq/m3. The average annual effective dose received by the residents of the studied area was estimated to be 1.09 mSv. Our results showed a significant difference between the average radon concentrations in houses and apartments, with a higher level in houses. Conclusion: Indoor radon concentration in 10.1% of the dwellings was determined to be higher than the limit (100 Bq/m3) recommended by the World Health Organization.
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