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23rd EURADOS Webinar: The European Intercomparison of In-Vivo Monitoring Laboratories: The EIVIC-2020 Project

03 November '23
23rd Webinar - EIVIC

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Monday, December 4th, 2023 · 13:30 CET



The objective of the EIVIC-2020 project was to assess the implementation of the individual monitoring requirements of the Basic Safety Standards (BSS) Directive in EU Member States based on in-vivo measurements and receive an overview of the capabilities and performance of whole-body counters in Europe.
This exercise was supported by the European Commission (Directorate-General for Energy) in Luxembourg under the contract ENER/2019/NUCL/SI2.811157 and organised by EURADOS (European Radiation Dosimetry Group), the Institut de Radioprotection et de Sûreté Nucléaire (IRSN, France) and the Federal Office for Radiation Protection (BfS, Germany) in collaboration with the Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT, Spain) and the Karlsruhe Institute of Technology (KIT, Germany).
It was organised between October 2019 and June 2022 and dedicated to whole-body measurement of gamma emitters in several tasks selected that cover the range of such possible measurements associated to different intake scenarios. In total, 43 installations from 21 countries took part in the intercomparison exercise.
The measured data were compared with reference activity values to evaluate the corresponding bias according to the standards ISO 28218 and ISO 13528. This report gives a summary of the results of the different tasks. In general, the results are good, and most facilities are in conformity with the criteria for the bias and z-scores in the ISO standards. Additionally, it was tested if the results can be attributed to several organisational and metrological properties of the participating laboratories.



  • María Antonia López, CIEMAT: Introduction to EURADOS and WG7 on Internal Dosimetry
  • Didier Franck, IRSN: The EIVIC-2020 project
  • Oliver Meisenberg, BfS: Production of sources, quality assurance and measurement campaign
  • Tiffany Beaumont, IRSN: Analysis of the results of the intercomparison and lessons learned

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