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Intercomparison of Indoor Radon Measurements Under Field Conditions In the Framework of MetroRADON European Project

Author

Listed:
  • Daniel Rabago

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

  • Ismael Fuente

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

  • Santiago Celaya

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

  • Alicia Fernandez

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

  • Enrique Fernandez

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

  • Jorge Quindos

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

  • Ricardo Pol

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

  • Giorgia Cinelli

    (European Commission, Joint Research Centre (JRC), I-21027 Ispra, Italy)

  • Luis Quindos

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

  • Carlos Sainz

    (Radon Group, University of Cantabria, Santander, 39011 Cantabria, Spain)

Abstract

Interlaboratory comparisons are a basic part of the regular quality controls of laboratories to warranty the adequate performance of test and measurements. The exercise presented in this article is the comparison of indoor radon gas measurements under field conditions performed with passive detectors and active monitors carried out in the Laboratory of Natural Radiation (LNR). The aim is to provide a direct comparison between different methodologies and to identify physical reasons for possible inconsistencies, particularly related to sampling and measurement techniques. The variation of radon concentration during the comparison showed a big range of values, with levels from approximately 0.5 to 30 kBq/m 3 . The reference values for the two exposure periods have been derived from a weighted average of participants’ results applying an iterative algorithm. The indexes used to analyze the participants’ results were the relative percentage difference D (%), the Zeta score ( ζ ), and the z-score ( z ). Over 80% of the results for radon in air exposure are within the interval defined by the reference value and 20% and 10% for the first and the second exposure, respectively. Most deviations were detected with the overestimating of the exposure using passive detectors due to the related degassing time of detector holder materials.

Suggested Citation

  • Daniel Rabago & Ismael Fuente & Santiago Celaya & Alicia Fernandez & Enrique Fernandez & Jorge Quindos & Ricardo Pol & Giorgia Cinelli & Luis Quindos & Carlos Sainz, 2020. "Intercomparison of Indoor Radon Measurements Under Field Conditions In the Framework of MetroRADON European Project," IJERPH, MDPI, vol. 17(5), pages 1-13, March.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:5:p:1780-:d:330446
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    References listed on IDEAS

    as
    1. Dobromir Pressyanov & Luis Santiago Quindos Poncela & Strahil Georgiev & Ivelina Dimitrova & Krasimir Mitev & Carlos Sainz & Ismael Fuente & Daniel Rabago, 2019. "Testing and Calibration of CDs as Radon Detectors at Highly Variable Radon Concentrations and Temperatures," IJERPH, MDPI, vol. 16(17), pages 1-9, August.
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    Cited by:

    1. Andreas Maier & Jesse Jones & Sonja Sternkopf & Erik Friedrich & Claudia Fournier & Gerhard Kraft, 2021. "Radon Adsorption in Charcoal," IJERPH, MDPI, vol. 18(9), pages 1-7, April.
    2. Annika Hinrichs & Claudia Fournier & Gerhard Kraft & Andreas Maier, 2022. "Radon Progeny Adsorption on Facial Masks," IJERPH, MDPI, vol. 19(18), pages 1-10, September.

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