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Title: Seasonal Variation of Indoor Radon Concentration Levels in Different Premises of a University Building
Authors: Baltrėnas, Pranas
Grubliauskas, Raimondas
Danila, Vaidotas
Keywords: indoor radon concentration
seasonal changes
outdoor temperature
university building
Issue Date: 2020
Publisher: MDPI
Citation: Baltrėnas, P.; Grubliauskas, R.; Danila, V. Seasonal Variation of Indoor Radon Concentration Levels in Different Premises of a University Building. Sustainability 2020, 12, 6174.
Series/Report no.: 12;15
Abstract: In the present study, we aimed to determine the changes of indoor radon concentrations depending on various environmental parameters, such as the outdoor temperature, relative humidity, and air pressure, in university building premises of different applications and heights. The environmental parameters and indoor radon concentrations in four different premises were measured each working day over an eight-month period. The results showed that the indoor radon levels strongly depended on the outside temperature and outside relative humidity, whereas the weakest correlations were found between the indoor radon levels and indoor and outdoor air pressures. The obtained indoor radon concentration and environmental condition correlations were different for the different premises of the building. That is, in two premises where the ventilation effect through unintentional air leakage points prevailed in winter, positive correlations between the radon concentration and outside temperature were obtained, reaching the values of 0.94 and 0.92, respectively. In premises with better airtightness, negative correlations (R = −0.96 and R = −0.62) between the radon concentrations and outside temperature were obtained. The results revealed that high quality air isolation in premises could be an important factor for higher indoor radon levels during summer compared to winter.
Description: This article belongs to the Special Issue Advances in Indoor Environmental Quality, Healthiness, and Sustainability of Educational Buildings
ISSN: 2071-1050
Appears in Collections:Moksliniai straipsniai / Research articles

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