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The radon activity concentration - An Euromet and BIPM supplementary comparison

A. Röttger1*, A. Honig1, V. Schmidt2, H. Buchröder2, ,A. Rox3, G. Butterweck4, Ch. Schuler4, F. J. Maringer5 (before 2004),6 (since 2004), P. Jachs6, R. Edelmaier6, N. Michielsen7, C. B. Howarth8, J. C. H. Miles8, A. Vargas9, X. Ortega9, I. Burian10, T. Turtiainen11, N. Hagberg12 - 15th International Conference on Radionuclide Metrology and its Applications - ICRM 2005 - Oxford - 5th - 9th september, 2005

Document type > *Congrès/colloque

Keywords > radon

Research Unit > IRSN/DSU/SERAC

Authors > MICHIELSEN Nathalie

Publication Date > 05/09/2005


For the first time a comparison for the radon activity concentration has been performed within the scope of Euromet. In the project 657 ‘Comparison of calibration facilities for the radon activity concentration’ 12 participants from 9 countries compared different radon reference atmospheres at 1 kBq/m3, 3 kBq/m3 and 10 kBq/m3 via a transfer standard. The comparison was listed as BIPM supplementary comparison. The results of the most participants are correlated due to a common traceability to one single radon gas standard producer. This makes a careful correlation analysis necessary to achieve the comparison reference value. The results of the comparison as well as the complex analysis of the correlated set of data is presented and discussed.

1 Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Brauschweig, Germany
2 Bundesamt für Strahlenschutz (BfS), Köpenicker Allee 120-130, 10318 Berlin, Germany
3 Materialprüfungsamt Nordrhein-Westfalen (MPA), Marsbruchstraße 186, 44287 Dortmund, Germany
4 Paul Scherrer Institut (PSI), 5232 Villigen PSI, Switzerland
5 ARC Seibersdorf Research GmbH (ARCS), Faradaygasse 3, Arsenal Obj. 214, 1030 Vienna, Austria
6 Bundesamt für Eich- und Vermessungswesen (BEV), Arltgasse 35, 1160 Wien, Austria
7 Institut de Radioprotection et de Sûreté Nucléaire (IRSN), CEA Saclay, Bât. 389, BP 68, 91192 Gif-sur-Yvette Cedex, France
8 Health Protection Agency (HPA), Radiological Protection Division, Chilton, Didcot, Oxfordshire, OX11 0RQ, United Kingdom
9 Universitat Politècnica de Catalunya (INTE-UPC), Avda. Diagonal 647, 08028 Barcelona, Spain
10 Státní ústav jaderné chemické a biologické ochrany (SUJCHBO), 26231 Milín, Czech Republic
11 Säteilyturvakeskus (STUK), Laippatie 4/PL 14, 00881 Helsinki, Finland
12 Statens Strålskyddsinstitut (SSI), 17116 Stockholm, Sweden
* Corresponding author. Tel.: +49 531 592 6104; fax: +49 531 592 8525; email:
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