An optimized system for measurement of radon levels in buildings by spectroscopic measurement of radon progeny

Radon gas, super(222)Rn, is a problem in many buildings. The radon gas is not harmful in itself, but the decay chain contains charged elements such as super(218)Po, and super(214)Po ions which have a tendency to stick to the lungs when inhaled. Alpha particles from the decay of these ions cause dama...

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Bibliographic Details
Published in:Journal of instrumentation 2011-12, Vol.6 (12), p.C12018-7
Main Authors: Fröjdh, A, Thungström, G, Fröjdh, C, Petersson, S
Format: Article
Language:English
Subjects:
Buildings
Chambers
Decay
Detectors
Electric fields
Ion identification systems
Lungs
Particle identification methods
Radon
Radon levels
Si microstrip and pad detectors
Solid state detectors
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Summary:Radon gas, super(222)Rn, is a problem in many buildings. The radon gas is not harmful in itself, but the decay chain contains charged elements such as super(218)Po, and super(214)Po ions which have a tendency to stick to the lungs when inhaled. Alpha particles from the decay of these ions cause damages to the lungs and increase the risk of lung cancer. The recent reduction in the limits for radon levels in buildings call for new simple and efficient measurement tools [1]. The system has been optimized through modifications of the detector size, changes to the filters and the design of the chamber. These changes increase the electric field in the chamber and the detection efficiency.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/6/12/C12018