In this report the activities of the project Contamination and decontamination, KODEK, for the period of 2016-2018 are summarized. The project has run in three different experimental based sub projects: 1) CWA decontamination in laboratory environment, 2) CWA decontamination in operational environment, and 3) BWA decontamination in laboratory environment. Additionally to these subprojects, where 1) and 2) are strongly linked, this report summarizes outcomes from collaboration with FFI in Norway, within the Nordic Clean agreement, and the joint work with The national CBRN Defence Centre within the NATO Hazard Management Panel (HMP) Group. Future aspects are given for the next three-year period.