French population exposure to radon, terrestrial gamma and cosmic rays


Billon, S; Morin, A; Caer, S; Baysson, H; Gambard, JP; Backe, JC; Rannou, A; Tirmarche, M; Laurier, D; (2005) French population exposure to radon, terrestrial gamma and cosmic rays. Radiation protection dosimetry, 113 (3). pp. 314-320. ISSN 0144-8420 DOI: https://doi.org/10.1093/rpd/nch463

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Abstract

In France, natural sources account for most of the population exposure to ionising radiation. This exposure varies widely with area. Radon and gamma-ray exposure data come from national measurement campaigns; cosmic doses were calculated from city altitude. These data were corrected for season of measurement, housing characteristics and population density to study their relationship with health indicators. The crude average of indoor radon concentrations was 89 Bq m(-3), and the average corrected for season and housing characteristics was 83 Rq m(-3) (range over districts: 19-297). Weighting by district population density yielded a national average of 63 Bq m(-3). Gamma-ray dose rates averaged 55 nSv h(-1) (23-96) indoors and 46 nSv h(-1) (25-85) outdoors; corrections did not change the means. Corrected cosmic annual doses averaged 0.28 mSv (0.27-0.38). These corrections estimated the radiation exposure of the French population more accurately and represented its distribution well, thereby allowing its study as a cofactor in ecological studies.

Item Type: Article
Keywords: Cosmic Radiation, Environmental Exposure, analysis, France, epidemiology, Gamma Rays, Housing, statistics & numerical data, Humans, Radiation Dosage, Radiation Monitoring, methods, Radiation Protection, methods, Radon, analysis, Risk Assessment, methods, Risk Factors, Seasons
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Non-Communicable Disease Epidemiology
PubMed ID: 15713740
Web of Science ID: 229353800009
URI: http://researchonline.lshtm.ac.uk/id/eprint/6079

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