Metrological aspects of international intercomparison of passive radon detectors under field conditions in Marie Curie's tunnel in Lurisia

Francesco Cardellini, Enrico Chiaberto, Luisella Garlati, Daniele Giuffrida, Federica Leonardi, Mauro Magnoni, Gianfranco Minchillo, Anna Prandstatter, Elena Serena, Rosabianca Trevisi, Rosamaria Tripodi, Miriam Veschetti

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Abstract

In 2014, an intercomparison exercise of passive radon detectors under field conditions in the Marie Curie's tunnel belonging to the Lurisia spas complex (Lurisia, Piedmont, Italy) has been held. Radon activity concentration in the tunnel was measured with six radon active monitors, previously calibrated at ENEA-INMRI facilities. In the present paper, a synthesis of the metrological aspects of the intercomparison is given. Indeed particular attention was paid to metrological characterization of radon monitors and their response upon ambient conditions. Correction factors have been defined to be applied when measurements are performed in severe environmental conditions. In particular, it has been found that monitors are particularly sensitive to the effect of air density: the AlphaGUARD (AG-SAPHYMO, GmbH) efficiency decreases with the air density, while for the MR1 PLUS (Tesys, Italy), the opposite applies. When the reference monitors were placed into the Marie Curie's tunnel, to the recorded average radon concentrations correction factors were applied. After the correction the difference between data coming from AG and MR1 PLUS is within the 1.7%.
Original languageEnglish
Pages (from-to)257 - 261
Number of pages5
JournalNukleonika
Volume61
Issue number3
DOIs
Publication statusPublished - 2016
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Instrumentation
  • Condensed Matter Physics
  • Safety, Risk, Reliability and Quality
  • Waste Management and Disposal

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