Assessment of natural radiation exposure and radon exhalation from building materials in Greece

In controlling the natural radiation exposure for the residents of dwellings, it is necessary to determine the levels of natural radioactivity (external exposure) and radon exhalation rate (internal exposure) from building materials. Using a high-resolution gamma ray spectrometry system, the activit...

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Bibliographic Details
Published in:Journal of environmental radioactivity 2003, Vol.69 (3), p.225-240
Main Authors: Stoulos, S, Manolopoulou, M, Papastefanou, C
Format: Article
Language:English
Subjects:
Air Pollution, Indoor - analysis
Air. Soil. Water. Waste. Feeding
Applied sciences
Atmospheric pollution
Biological and medical sciences
Biological effects of radiation
Building materials
Buildings. Public works
Construction Materials
Environment. Living conditions
Environmental Exposure
Environmental Monitoring - methods
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Greece
Humans
Indoor pollution and occupational exposure
Medical sciences
Natural radiation exposure
Pollution
Pollution indoor buildings
Public health. Hygiene
Public health. Hygiene-occupational medicine
Radioactivity
Radiocontamination
Radon - analysis
Radon exhalation
Reference Values
Tissues, organs and organisms biophysics
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Summary:In controlling the natural radiation exposure for the residents of dwellings, it is necessary to determine the levels of natural radioactivity (external exposure) and radon exhalation rate (internal exposure) from building materials. Using a high-resolution gamma ray spectrometry system, the activity concentration of natural radionuclides was measured. The radon exhalation rate was measured by hermetically closing the sample in a container and following the radon activity growth as a function of time. Three different methods were applied in order to find the most appropriate, i.e. that with the less uncertainty for the less exposure time. Typical building materials were analyzed in order to examine the external and internal exposures. In addition, the total annual effective dose was evaluated for the residents of a typical Greek dwelling.
ISSN:0265-931X
1879-1700
DOI:10.1016/S0265-931X(03)00081-X