As of 8th June 2018, the LAPUP signed a new research contract with the Isotope Hydrology Section of the International Atomic Energy Agency, entitled "Identification of nitrogen isotope sources in precipitation using source-apportionment methodologies". The project is part ofthe Coordinated Research Program of the IAEA "Global Monitoring of Nitrogen Isotopes in Atmospheric Waters"; it will be concluded on May 28, 2021.