Natural Radioactivity of Building Materials in Austria
- 1 January 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Radiation Protection Dosimetry
- Vol. 7 (1-4) , 59-61
- https://doi.org/10.1093/oxfordjournals.rpd.a082963
Abstract
About 120 samples of natural and manufactured building materials have been analysed by gamma spectrometry for their thorium-232, radium-226 and potassium-40 content. Granites generally showed the greatest concentrations of the above mentioned radionuclides, whereas the other natural products like sand, gravels, marbles and gypsum contained only traces of radionuclides. As regards the manufactured building materials, only some types of bricks and chemical gypsum showed relatively high concentrations of radionuclides, while the rest of the bricks, tiles, plaster and accessory materials fulfilled the criteria set up in the OECD-NEA report 1979.Keywords
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