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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Real-time measurement of individual occupational radon exposures in tombs of the Valley of the Kings, Egypt.
Radiat. Prot. Dosim. 144, 620-626 (2011)
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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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
no keywords
ISSN (print) / ISBN
0144-8420
e-ISSN
1742-3406
Zeitschrift
Radiation Protection Dosimetry
Quellenangaben
Band: 144,
Heft: 1-4,
Seiten: 620-626
Verlag
Oxford University Press
Verlagsort
Oxford
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Radiation Protection (ISS)