Radon-film-badges by solid radiators to complement track detector-based radon monitors

Existing passive radon monitors, based on track detectors, present many shortcomings, such as a limited response sensitivity for one-week-indoor measurements and a limited response linearity for the assessment of large radon exposures indoors, in thermal spa, in caves, and in soil. Moreover, for in-...

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Bibliographic Details
Published in:Radiation measurements 2009-10, Vol.44 (9), p.719-723
Main Authors: Tommasino, L., Tommasino, M.C., Viola, P.
Format: Article
Language:English
Subjects:
Absorption
Adsorption
Diffusion radon chambers
Earth sciences
Earth, ocean, space
Exact sciences and technology
Film badges
Geochronology
Isotope geochemistry. Geochronology
Radon
Track detectors
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Summary:Existing passive radon monitors, based on track detectors, present many shortcomings, such as a limited response sensitivity for one-week-indoor measurements and a limited response linearity for the assessment of large radon exposures indoors, in thermal spa, in caves, and in soil. Moreover, for in-soil measurements these monitors are too bulky and are often conducive to wrong results. For what concerns the radon-in-water measurements, they are just not suitable. A new generation of passive radon monitors is introduced in this paper, which are very similar to the compact badges used in neutron- and gamma-dosimetry and will be referred to as radon-film-badges. These film-badges are formed by thin-film radiators with suitable radon-sorption characteristics, facing track detectors. The key strategy adopted for these radiators is to exploit an equilibrium type of radon sorption in solids. Even though this new generation of passive monitors is at its infancy, it appears already clear that said monitors make it finally possible to overcome most of the shortcomings of existing passive radon monitors. These devices are uniquely simple and can be easily acquired by any existing radon service to complement their presently used passive radon monitors with little or no effort.
ISSN:1350-4487
1879-0925
DOI:10.1016/j.radmeas.2009.10.013