plenary speech

Prof. Nataša Todorović
Prof. Nataša Todorović
University of NoviSad, Serbia


Title: Radon in the Water: Comparative Analytical Methods and Health Risk Assessment

Abstract: Radon and its progeny represent significant contributors to natural radiation exposure in humans, particularly in radon-prone areas where geological and hydrological conditions facilitate their migration and accumulation. This plenary lecture will address the application of advanced radiometric techniques—specifically alpha and gamma spectrometry—for the detection and quantification of radon and associated radionuclides in environmental matrices, with an emphasis on water sources. Case studies from two notable radon-prone locations, Niška Banja (Serbia) and Capodifiume (Italy), will be presented to illustrate site-specific variations in radon activity concentrations and the effectiveness of different analytical approaches. The lecture will provide a comparative analysis of methodologies, including alpha spectrometry (using solid-state silicon detectors), liquid scintillation counting (LSC), and high-resolution gamma spectrometry, highlighting their respective advantages and limitations in terms of sensitivity, accuracy, and field applicability. Furthermore, the implications of the measured radon levels for public health will be discussed, with risk estimates based on established dose conversion factors and both ingestion and inhalation exposure pathways. The presentation aims to underscore the importance of integrating robust scientific methodologies with comprehensive health risk assessment frameworks to support mitigation strategies and inform public policy in regions with elevated radon concentrations.

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