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INDOOR RADON, THORON AND THEIR PROGENY CONCENTRATIONS IN HIGH THORON RURAL SERBIA ENVIRONMENTS.

Zora S Zunic1, Z Stojanovska2, N Veselinovic1

  • 1Institute for Nuclear Sciences 'Vinca', University of Belgrade, PO Box 522, Belgrade, Serbia.

Radiation Protection Dosimetry
|October 17, 2017
PubMed
Summary

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Radon (Rn) and thoron (Tn) levels varied in Serbian homes, with thoron and its progeny showing higher fluctuations than radon. This study measured indoor air quality across four villages to understand regional radiation exposure.

Area of Science:

  • Environmental Science
  • Radiological Protection
  • Public Health

Background:

  • Indoor radon (Rn) and thoron (Tn) are naturally occurring radioactive gases.
  • Exposure to Rn and Tn progeny can pose health risks.
  • Understanding regional variations in indoor Rn and Tn is crucial for assessing population exposure.

Purpose of the Study:

  • To investigate the variation of radon (Rn) and thoron (Tn) gas concentrations.
  • To measure their progeny concentrations, expressed as equilibrium equivalent concentrations (EERC and EETC).
  • To analyze spatial variations within four villages in Sokobanja municipality, Serbia.

Main Methods:

  • Utilized 40 houses across four villages for indoor air quality assessment.
  • Employed passive detectors: discriminative radon-thoron detectors for gas measurements.

Related Experiment Videos

  • Used direct Tn and Rn progeny sensors (DRPS/DTPS) for progeny concentration measurements over a 12-month period.

    • Main Results:

    • Observed higher variations in thoron (Tn) and its progeny (EETC) compared to radon (Rn) and its progeny (EERC).
    • Reported spatial variations in measured Rn and Tn concentrations.
    • Data collected as part of a broader Balkan region indoor radiation survey.

    Conclusions:

    • Indoor radon and thoron levels exhibit significant variability, with thoron showing greater fluctuations.
    • Spatial distribution of these gases and their progeny is an important factor in exposure assessment.
    • Findings contribute to a larger understanding of indoor radiation environments in the Balkan region.