This report summarises the results of the research program NBC-studies at FOA during the year of 2000. The work covers research and studies for the Armed Forces concerning protection against NBC-weapons. During 2000 the work has been directed towards o breathing hazards from clouds of chemical- and biological weapons. o detection of B-agents. o development of an NBC decision support system. o NBC-protection related to internationel peace keeping operations. o create a dosimetrysystem for the protection against radioactive materials. o studies concerning new agents for decontamination and methods for use.