Environmental radioactivity in Denmark in 1971

A. Aarkrog, Jørgen Emil Lippert

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    Abstract

    The present report deals with the measurement of fall-out radioactivity in Denmark in 1971. Sr-90 was determined in samples from all over the country of precipitation, soil, ground water, surface water, sea water, grass, dried milk, fresh milk, grain, bread, potatoes, vegetables, fruit, total diet, drinking water, and human bone. Furthermore Sr-90 was determined in local samples of air, rain water, grass, sea plants, fish, and meat. Cs-137 was determined in soil, milk, grain products, potatoes, vegetables, fruit, total diet, and meat, and Cs-137 was measured by wholebody counting in persons from a control group at Risø. Estimates of the mean contents of radiostrontium and radiocaesium in the human diet in Denmark in 1971 are given. The shorter-lived fission products (Ce-144, Ce141, Ru-103, Ru-106, Zr-95, and Ba-149) were determined by Ge-Y-spectroscopy in air filters. The Y-background was measured regularly at locations around Risø, at ten of the State experimental farms and in an area in Zealand, one in Jutland where future nuclear power plants might be located and along the shores of the Great Belt. Finally the report includes, as previously, regular surveys of environmental samples from the Risø area.
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages100
    ISBN (Print)8755001580
    Publication statusPublished - 1972
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number265
    ISSN0106-2840

    Keywords

    • Risø-R-265
    • Risø-265
    • Risø report 265

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