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    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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        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
    
 
    
     
     
	     
	 
	 
    
        Journal
        Radiation Protection Dosimetry
    
 
	
    
        Quellenangaben
        
	    Volume: 144,  
	    Issue: 1-4,  
	    Pages: 620-626 
	    
	    
	
    
 
    
         
        
            Publisher
            Oxford University Press
        
 
        
            Publishing Place
            Oxford
        
 
	
         
         
         
         
         
	
         
         
         
    
         
         
         
         
         
         
         
    
        Reviewing status
        Peer reviewed
    
 
    
        Institute(s)
        Institute of Radiation Protection (ISS)
    
 
    
        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