It is well established that in certain areas abnormally high concentrations of radon can find its way into buildings and that its radioactive decay products are potentially carcinogenic when inhaled. This article reviews the studies that have been made in attempts to ascertain how far this represents a real public health hazard.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1016/s0160-9327(05)80050-x | DOI Listing |
Biomed Environ Sci
November 2024
Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China.
Objective: We aimed to analyze the current indoor radon level and estimate the population risk of radon-induced lung cancer in urban areas of China.
Methods: Using the passive monitoring method, a new survey on indoor radon concentrations was conducted in 2,875 dwellings across 31 provincial capital cities in Chinese mainland from 2018 to 2023. The attributable risk of lung cancer induced by indoor radon exposure was estimated based on the risk assessment model.
Radiat Prot Dosimetry
November 2024
Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand.
This study aimed to determine the annual effective dose resulting from radon and thoron progeny inhalation. The levels of radon, thoron, and progeny were assessed in residences situated in the Doi Lo region of Chiang Mai, Thailand. Indoor radon and thoron concentrations were detected using passive discriminative detectors.
View Article and Find Full Text PDFRadiat Prot Dosimetry
November 2024
Institute of Radiation Emergency Medicine, Hirosaki University, 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan.
Passive radon monitors with CR-39s are widely used in major epidemiological surveys. However, the conventional CR-39 track density determining strategy makes it difficult to accurately estimate the concentration because of the heterogeneity of tracks on CR-39s. This study introduced a stochastic method, Latin hypercube sampling, to improve the track density determining strategy and provide the probability distribution of 222Rn concentration and equilibrium equivalent thoron concentration.
View Article and Find Full Text PDFJ Environ Radioact
December 2024
Dosimetry and Radiation Protection Laboratory, Centre for Atomic Molecular Physics and Quantum Optics (CEPAMOQ), University of Douala, P O Box 8085, Douala, Cameroon.
The present study aimed to develop a Monte Carlo model to estimate the annual effective dose due to radon exposure sourced by radon gas in the walls and floor of a standard model room. With the purpose of developing a tool for radon level assessment in dwellings and workplaces, Geant4 toolkit was used to simulate the energy deposited by gamma rays emitted by radioactive radon progeny in a water phantom positioned at three different locations within the model room. The energy deposition was then used to estimate the annual effective dose through a deterministic approach.
View Article and Find Full Text PDFSci Rep
October 2024
Radiological Physics and Advisory Division, Bhabha Atomic Research Center, Mumbai, India.
Humans receive around 50% of natural radiation dose due to Rn (radon), Rn (thoron) and their decay products. Several field campaigns measuring these gases and the decay products in different regions of India have been conducted in the recent past. Some of these studies measured indoor activity concentration and/or dose due to these gases and the associated decay products.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!