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FIRST EURADOS INTERCOMPARISON EXERCISE OF EYE LENS DOSEMETERS FOR MEDICAL APPLICATIONS
I Clairand1, M Ginjaume2, F Vanhavere3
1Institute for Radiological Protection and Nuclear Safety (IRSN), B.P. 17, Fontenay-aux-Roses 92262, France isabelle.clairand@irsn.fr.
Radiation Protection Dosimetry
|July 12, 2015
Summary
European eye lens dosemeters were tested for accuracy following new radiation safety standards. Most passive dosemeters met international requirements, ensuring reliable occupational monitoring in medical settings.
Area of Science:
- Medical Physics
- Radiation Protection
- Dosimetry
Background:
- European Basic Safety Standards Directive 2013/59/EURATOM revised the occupational eye lens dose limit to 20 mSv/year.
- The European Radiation Dosimetry Group (EURADOS) organized the first intercomparison exercise for eye lens dosemeters in 2014.
Purpose of the Study:
- To evaluate the performance of passive eye lens dosemeters used in European medical fields.
- To assess their capability for occupational monitoring under new regulatory constraints.
Main Methods:
- 20 European individual monitoring services participated, using thermoluminescent detectors.
- Irradiations were conducted using various photon fields simulating medical workplace conditions.
- Participants reported doses as Hp(3) according to their standard protocols.
Main Results:
- Results were compared against reference doses, with all data analyzed anonymously.
- 17 out of 20 participants met the ISO 14146 standard requirements for 90% of their responses.
- Overall, the performance of the passive eye lens dosemeters was satisfactory.
Conclusions:
- Passive eye lens dosemeters generally meet the requirements for occupational monitoring in medical fields.
- The intercomparison exercise confirmed the suitability of current dosimetry services under revised European radiation protection directives.
