Intercomparison of radon CR-39 detector systems conducted in CLOR's calibration chamber
2010
Within the framework of the grant of the Polish Ministry of Science and Higher Education entitled Seasonal changes of indoor radon (222Rn) concentrations of Poland (N506 1127 33) radon laboratories united in the Radon Center – the Non-governmental International Scientific Network – perform measurements of radon concentration in houses located in various areas of Poland. These laboratories belong to the following institutions: 1. Medical University of Bialystok (MUB) in Bialystok, 2. Wroclaw University of Technology (WUT) in Wroclaw, 3. Institute of Nuclear Physics, Polish Academy of Sciences (IFJ PAN) in Krakow, 4. Central Mining Institute (GIG) in Katowice, 5. Nofer’s Institute of Occupational Medicine (NIOM) in Łodź, 6. Central Laboratory for Radiological Protection (CLOR) in Warsaw. All laboratories use a passive time-integrating method of solid-state nuclear track detectors (SSNTDs) based on CR-39 foils, but they differ among each other with the origin of the detectors, design of diffusion chambers to house the detector, details in procedures of etching, track density counting systems and calibration factor. In order to get consistent results from all participants of the project an intercomparison exercise was arranged in the accredited calibration laboratory Intercomparison of radon CR-39 detector systems conducted in CLOR’s calibration chamber Kalina Mamont-Cieśla, Olga Stawarz, Maria Karpinska, Jacek Kapala, Krzysztof Kozak, Dominik Grządziel, Stanislaw Chalupnik, Izabela Chmielewska, Jerzy Olszewski, Tadeusz A. Przylibski, Adam Żebrowski
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