Change your cover photoUpload Change your cover photoUpload Change your cover photo Ahrens Christian This user account status is Approved About About Posts Posts Comments Comments ENA Stipend now open for application 3 years ago in: News no comments ENA 2020, the 2nd workshop of the European NORM Association is now history 3 years ago in: News no comments Radiological Protection from Naturally Occurring Radioactive Material (NORM) in Industrial Processes 4 years ago in: News no comments Announcement 2nd ENA Workshop, Vienna 2020 4 years ago in: News no comments Retrospect to the 1st ENA workshop 2018 5 years ago in: News no comments Foundation of ENA 6 years ago in: News no comments