@article{JRC121498, number = {KJ-NA-30822-EN-N (online)}, address = {Luxembourg (Luxembourg)}, issn = {1831-9424 (online)}, year = {2021}, author = {Jobbagy V and Dupuis E and Emteborg H and Hult M}, isbn = {978-92-76-41388-2 (online)}, publisher = {Publications Office of the European Union}, abstract = {This report focuses on the technical evaluation of the REM (Radioactivity Environmental Monitoring) 2019 gross alpha/beta activity in drinking water proficiency test. It contains details on the material characterisation, performance evaluation (the key scores of the participants), information on the participants` organisation, the applied analytical methods. Feedback from participants is also included. The REM 2019 proficiency test was performed within the institutional work programme of the JRC Directorate G (Nuclear Safety and Security) as described in the work Package SELMER (Support to European Member States Measuring Environmental Radioactivity in and the Project SARA (Science Applications of Radionuclides and Actinide materials). It is conducted on request of DG ENER to support their work in implementing Article 35 and 36 of the Euratom Treaty. }, title = {REM 2019 proficiency test on gross alpha/beta activity concentration in drinking water}, url = {}, doi = {10.2760/069173 (online)} }