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    Wyświetlanie 1-3 z 3
    Tytuł:
    Preliminary results of radon survey in thermal spas in V4 countries
    Autorzy:
    Műllerová, M.
    Mazur, J.
    Blahušiak, P.
    Grządziel, D.
    Holý, K.
    Kovács, T.
    Kozak, K.
    Nagy, E.
    Neznal, M.
    Shahrokhi, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/146825.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    indoor radon
    thermal spas
    thermal water
    Opis:
    Radon concentration was measured in 11 thermal spas in Visegrad countries (Czech Republic, Hungary, Poland, and Slovakia). The results showed that in 84% of spas radon activity concentration is less than 400 Bq·m–3. However, areas with radon activity concentration exceeding 1000 Bq·m–3 were found in the Czech Republic and Slovakia as well. Preliminary analyses indicated that the highest radon activities in spas were found in places with thermal pools. Radon concentration in waters used in spas ranged from 0.5 Bq/l to 384 Bq/l. The influence of radon activity concentration in water on radon activity in the air inside the spa was observed. It was found to increase indoor radon with increasing radon in the waters. Correlation with indoor radon and radon in water was more significant for baths and less significant for pool waters. In the cases filling of the bath from water taps, significantly contribute to the increased radon was observed in the pool and bath areas of the spa.
    Źródło:
    Nukleonika; 2016, 61, 3; 303-306
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Intercomparison of radon CR-39 detector systems conducted in CLORs calibration chamber
    Autorzy:
    Mamont-Cieśla, K.
    Stawarz, O.
    Karpińska, M.
    Kapała, J.
    Kozak, K.
    Grządziel, D.
    Chałupnik, S.
    Chmielewska, I.
    Olszewski, J.
    Przylibski, T. A.
    Żebrowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/148842.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    radon-222
    CR-39 track detector
    intercomparison
    RadoSys
    Opis:
    Six radon laboratories, which perform indoor radon measurements to jointly investigate temporal variations of radon concentration in houses in a couple of regions in Poland, participated in the intercomparison exercise. There are involved three commercially available Hungarian RadoSys systems and four own laboratory methods. All of them are based on the etched-track CR-39 detectors. The intercomparison was conducted in a calibration laboratory of the Central Laboratory for Radiological Protection (CLOR), Warsaw, Poland, accredited by the Polish Center for Accreditation (previously AP 101, at present AP 057). Comparison measurements were performed during three expositions in the CLOR’s radon calibration chamber under controlled normal climatic conditions and steady radon concentration. The results were referred to the value of the radon concentration determined by AlphaGUARD monitor traceable to the primary 222Rn standard in Physikalisch-Technische Bundesanstalt (PTB), Braunchweig, Germany. The mean performance ratio defined as a ratio of the reference to participant’s result range from 0.88 to 1.31.
    Źródło:
    Nukleonika; 2010, 55, 4; 589-593
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radon intercomparison tests : Katowice, 2016
    Autorzy:
    Chałupnik, Stanisław
    Skubacz, Krystian
    Wysocka, Małgorzata
    Mazur, Jadwiga
    Bonczyk, Michał
    Kozak, Krzysztof
    Grządziel, Dominika
    Urban, Paweł
    Tchorz-Trzeciakiewicz, D.
    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.
    Powiązania:
    https://bibliotekanauki.pl/articles/146183.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    active monitors
    passive monitors
    Polish Radon Centre
    proficiency test
    radon
    Opis:
    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.
    Źródło:
    Nukleonika; 2020, 65, 2; 127-132
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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