2021 IAEA Regional Intercomparison Exercise on Individual Monitoring for External Exposure in Africa

The organization of this regional intercomparison exercise on individual monitoring in Africa region was implemented under the framework of IAEA Technical Cooperation Project RAF9068. The SSDL of CNRP of Morocco hosted this intercomparison exercise (irradiation of dosimeters sent by participating dosimetry service and evaluation of final results). Results of this intercomparison exercise were discussed during the virtual meeting held on 13-15 December 2021, Vienne – Austria. In this meeting Intercomparison results for each country checked and validated with special interest on consistency, accuracy (trumpet curve criteria compliance); influence of background radiation; unexceptionally too high or too low values; & typographic errors. Results were analysed country by country to identify specific issues or otherwise in each case. Introduction: When the exercise was announced, twenty-three (23) countries sent their application form to participate to the intercomparison exercise. Participants were asked to send 36 dosimeters used routinely and to give details on the dosimeter reference point. The final number of participants who sent their dosimeters for irradiation was eighteen (18) and dosimetry systems were twenty (20).