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Erratum to “Radon incomparison tests – Katowice, 2016” [Nukleonika 2020;65(2):127-132, doi:10.2478/nuka-2020-0020]

Chałupnik Stanisław, Skubacz Krystian, Wysocka Małgorzata, Mazur Jadwiga, Bonczyk Michał, Kozak Krzysztof, Grządziel Dominik, Urban Paweł, Tchorz-Trzeciakiewicz Dagmara, Kozłowska Beata, Walencik-Łata Agata, Podstawczyńska Agnieszka, Olszewski Jerzy, Bartak Jakub, Karpińska Maria, Wołoszczuk Katarzyna, Dohojda Marek, Nowak Jakub, Długosz-Lisiecka Magdalena, Foerster Elisabeth, Przylibski Tadeusz A.

Nukleonika

2021

Vol. 66, No. 2

Radon intercomparison tests : Katowice, 2016

Chałupnik Stanisław, Skubacz Krystian, Wysocka Małgorzata, Mazur Jadwiga, Bonczyk Michał, Kozak Krzysztof, Grządziel Dominika, Urban Paweł, Tchorz-Trzeciakiewicz Dagmara, Kozłowska Beata, Walencik-Łata Agata, Podstawczyńska Agnieszka, Olszewski Jerzy, Bartak Jakub, Karpińska Maria, Wołoszczuk Katarzyna, Dohojda Marek, Nowak Jakub, Długosz-Lisiecka Magdalena, Foerster Elisabeth, Przylibski Tadeusz A.

Nukleonika

2020

Vol. 65, No. 2

127--132

At the beginning of the year 2016, the representatives of the Polish Radon Centre decided to organize proficiency tests (PTs) for measurements of radon gas and radon decay products in the air, involving radon monitors and laboratory passive techniques. The Silesian Centre for Environmental Radioactivity of the Central Mining Institute (GIG), Katowice, became responsible for the organization of the PT exercises. The main reason to choose that location was the radon chamber in GIG with a volume of 17 m3 , the biggest one in Poland. Accordingly, 13 participants from Poland plus one participant from Germany expressed their interest. The participants were invited to inform the organizers about what types of monitors and methods they would like to check during the tests. On this basis, the GIG team prepared the proposal for the schedule of exercises, such as the required level(s) of radon concentrations, the number and periods of tests, proposed potential alpha energy concentration (PAEC) levels and also the overall period of PT. The PT activity was performed between 6th and 17th June 2016. After assessment of the results, the agreement between radon monitors and other measurement methods was confirmed. In the case of PAEC monitors and methods of measurements, the results of PT exercises were consistent and confirmed the accuracy of the calibration procedures used by the participants. The results of the PAEC PTs will be published elsewhere; in this paper, only the results of radon intercomparison are described.

Radon in houses of Kowary : Sudety Mountains, Poland

Olszewski Jerzy, Walczak Katarzyna

Nukleonika

2020

Vol. 65, No. 2

149--152

The presence of uranium makes the Kowary area characterized by an increased concentration of radon in the air and the living houses. Measurements of periodic radon concentrations in dwellings of Kowary were carried out three times in the last 20 years. It can be observed that 20 years ago level of radon concentrations in houses of Kowary were lower than today. Measurements carried out in Kowary over 20 years have shown that residents are exposed to radon concentrations, which often exceed 300 Bq•m-3 – a reference level recommended by the European Union. The present geometric mean of radon concentration in houses of Kowary (260 Bq•m-3 ) exceeds the geometric mean of radon concentration of buildings in the rest of Poland (142 Bq•m-3 ).