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Background airborne radioactivity in an equatorial Brazilian town

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Abstract

The aim of this work was to determine the background airbome radioactivity in the town of Natal, Brazil. Indoor radon concentrations were measured inside 24 buildings using solid state nuclear track detectors which were exposed for a period of about 180 days. The average indoor radon level resulted to be 15.4±10.6 Bq·m−3. Measurements of gross α- and β-activities were performed at six different sites for airbome particulate samples collected over cellulose nitrate filters. Mean values of 0.15±0.06 mBq·m−3 and 0.42±0.10 mBq·m−3 were obtained for the gross α-and gross β-activity, respectively.

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Authors and Affiliations

  1. Department of Physics, University of Parma, 43100, Parma, Italy

    A. Malanca

  2. Department of Chemistry, UFRN, Natal, Brazil

    L. L. de Azevedo

  3. CRR-ARPA, Via XXI Aprile 48, 29100, Piacenza, Italy

    M. Repetti & L. Gaidolfi

Authors
  1. A. Malanca
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  2. L. L. de Azevedo
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  3. M. Repetti
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  4. L. Gaidolfi
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Malanca, A., de Azevedo, L.L., Repetti, M. et al. Background airborne radioactivity in an equatorial Brazilian town. J Radioanal Nucl Chem 221, 189–191 (1997). https://doi.org/10.1007/BF02035264

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  • DOI: https://doi.org/10.1007/BF02035264

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