I. Klosok-Bazan, M. Wysocka, I. Chmielewska, A. Moscicka
Thursday 11 October 2018 by Libadmin2018


Radon is dissolved in ground water and can be transported from the source with water into the buildings. Subsequently indoors, when water is exposed to air, radon is released. Showers and sprays are a prime release method and the greater the water usage, the greater potential radon problem may occur. Outdoors, radon is quickly diluted to very low, not problematic concentrations but indoors, it can concentrate significantly. Although radon in indoor air is indicated as the second leading cause of lung cancer, not everyone exposed to high levels of radon will develop lung cancer that is why an identification of radon emanation from different sources is an important element of hazards assessment. The aim of the paper is to analyze radon concentration in underground drinking water supplies in Opole and Upper Silesia Region. Additionally, during the study radon concentration in air in selected water treatment plants (WTPs) and private houses was measured by means of solid state track detectors. In order to assess radiological hazard for inhabitants and WTPs workers, effective dose arising from radon inhalation was calculated. Moreover, in the frame of work a regional map with the average radon concentration levels in selected underground drinking water supplies is presented.

Keywords: groundwater, radon, drinking water, water treatment plant

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