Dr Oliver Kracht, an expert in isotope hydrogeochemistry from the International Atomic Energy Agency (IAEA), visited us from 4 to 6 March in the framework of the national project Upgrading Capacities for Integrated Water Resources ManagementDuring this period, field visits were carried out to sample sites of precipitation, river and groundwater throughout Slovenia. Dr Kracht also visited the laboratories and measuring stations of GeoZS, the Jožef Stefan Institute and the Slovenian Environment Agency.