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Gruber, E.* ; Salama, E.* ; Rühm, W.

Real-time measurement of individual occupational radon exposures in tombs of the Valley of the Kings, Egypt.

Radiat. Prot. Dosim. 144, 620-626 (2011)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
The active radon exposure meter developed recently at the German Research Center for Environmental Health (Helmholtz Zentrum München) was used to measure radon concentrations in 12 tombs located in the Valley of the Kings, Egypt. Radon concentrations in air between 50 ± 7 and 12 100 ± 600 Bq m−3 were obtained. The device was also used to measure individual radon exposures of those persons working as safeguards inside the tombs. For a measurement time of 2–3 d, typical individual radon exposures ranged from 1800 ± 400 to 240 000 ± 13 000 Bq h m−3, depending on the duration of measurement and radon concentration in the different tombs. Based on current ICRP dose conversion conventions for workers and on equilibrium factors published in the literature for these tombs, individual effective dose rates that range from 1.5 ± 0.3 to 860 ± 50 µSv d−1 were estimated. If it is assumed that the climatic conditions present at the measurement campaign persist for about half a year, in this area, then effective doses up to ∼66 mSv could be estimated for half a year, for some of the safeguards of tombs where F-values were known. To reduce the exposure of the safeguards, some recommendations are proposed.
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Publication type Article: Journal article
Document type Scientific Article
Keywords no keywords
Language english
Publication Year 2011
HGF-reported in Year 2011
ISSN (print) / ISBN 0144-8420
e-ISSN 1742-3406
Quellenangaben Volume: 144, Issue: 1-4, Pages: 620-626 Article Number: , Supplement: ,
Publisher Oxford University Press
Publishing Place Oxford
Reviewing status Peer reviewed
POF-Topic(s) 30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Research field(s) Radiation Sciences
PSP Element(s) G-501100-001
PubMed ID 21183552
Scopus ID 79953741611
Erfassungsdatum 2011-04-15