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  • An experiment to develop conversion factors to standardise measurements of airborne asbestos
    Dodič-Fikfak, Metoda
    Various researchers and agencies recommend different conversion factors for different asbestos exposures. The aim of this study was to develop conversion factors from particles per cm3 (p cm(-3)) to ... fibres per cm3 (f cm(-3)) and from mg m(-3) to f cm(-3). More than 1000 exposure measurements were availablein the Slovenian asbestos-cement factory Salonit Anhovo. Three typesof measurement of asbestos concentrations in the air were used: a konimeter measuring p cm-3, a gravimetric method measuring mg m-3 and a membrane filter method measuring f cm-3. Operation-specific conversion factorsamong these methods were developed. One conversion factor was obtained for asbestos-pipe-dry jobs (4.7) and one for asbestos-sheet-dry jobs (1.6). Only one conversion factor (0.8) was used for asbestos-cement-pipe-wet and asbestos-cement-pipe-dry jobs. For asbestos cement sheets, two conversion factors were obtained (0.3 and 1.2). The development of five different conversion factors made it possible to calculate cumulative exposure to asbestos from historical data and to decrease exposure misclassification.
    Vir: Arhiv za higijenu rada i toksikologiju = Archives of industrial hygiene and toxicology. - ISSN 0004-1254 (Letn. 58, št. 2, 2007, str. 179-185)
    Vrsta gradiva - članek, sestavni del
    Leto - 2007
    Jezik - angleški
    COBISS.SI-ID - 23758809

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