A portable continuous sampling instrument for airborne beta/gamma contamination, incorporating an automatic warning alarm

L. Bøtter-Jensen, S. Griffin, P. Ravn Sørensen

    Research output: Book/ReportReportResearch

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    Abstract

    A portable air sampling instrument has been developed that simultaneously assesses any airborne particulate beta/gamma activity collected, and gives an alarm if a certain preset level is achieved. The development work was initiated because a need existed for some kind of a "watch dog" air sampler that could be used on routine work of a low risk nature, and which would give an audible alarm if airborne contamination arose. In practice alarms have been received at concentrations low enough to ensure that operators to date have received no measurable internal contamination. This report describes the instrument design, method of operation, testing procedures and results.
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages9
    Publication statusPublished - 1974
    SeriesRisø-M
    Number1724
    ISSN0418-6435

    Keywords

    • Risø-M-1724

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