Weathering and Decontamination of Radioactivity deposited on Asphalt Surfaces

Inge Elisabeth Warming

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    Abstract

    Longlived fission products might be deposited in the environment after a serious reactor accident. At Risø we have studied how danish weather conditions and fire hosing influence the decontamination of Rubidium86 (representing Cesium134 and
    137) Barium-Lanthanum 140 and Ruthenium103 deposited on asphalt surfaces. Measurements have been done at different types of roads and during all seasons including winter with snow and ice cover of the roads. The results from the first five experiments were used for calculating doses to the population in the land contamination project (Risø-R-462).
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages22
    ISBN (Print)87-550-0903-4
    Publication statusPublished - 1982
    SeriesRisø-M
    Number2273
    ISSN0418-6435

    Keywords

    • Risø-M-2273
    • Reactor accidents
    • External irradiation
    • Gamma radiation
    • Fission products
    • Roads
    • Asphalts
    • Surface contamination
    • Weathering
    • Water
    • Decontamination
    • Snow
    • Fallout deposits
    • Weather
    • Urban areas
    • Surface cleaning

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