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Open Access Green as soon as Postprint is submitted to ZB.
Application of a Monte Carlo lung dosimetry code to the inhalation of thoron progeny.
Radiat. Prot. Dosim. 160, 96-99 (2014)
To determine radiation doses incurred by inhaled thoron progeny, the Monte Carlo radon progeny lung dosimetry code IDEAL-DOSE was adapted to the inhalation of thoron progenies, comprising the alpha-emitting nuclides (216)Po, (212)Bi and (212)Po. Dose calculations for defined exposure conditions yielded a dose conversion coefficient (DCC) of 4.6 mSv WLM(-1) or 94.2 nSv (Bq h m(-3))(-1) when compared with a DCC of 3.8 mSv WLM(-1) if based on the International Commission on Radiological Protection Human Respiratory Tract Model. Bronchial doses were computed for different thoron progenies exposure conditions measured in a Bavarian half-timbered house and in a thoron experimental house at the Helmholtz Zentrum München. DCCs ranged from 4.9 to 12.9 mSv WLM(-1), depending on particle size, unattached fraction and fractional activity concentrations. For exposure-specific indoor aerosol parameters, the thoron progeny DCC is smaller than the radon progeny DCC by about a factor of 2.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Dose Conversion Factors; Aerosol Deposition; Decay Products; Radon Progeny; Indoor; Environment
ISSN (print) / ISBN
0144-8420
e-ISSN
1742-3406
Journal
Radiation Protection Dosimetry
Quellenangaben
Volume: 160,
Issue: 1-3,
Pages: 96-99
Publisher
Oxford University Press
Publishing Place
Oxford
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Radiation Protection (ISS)