This report summarises the results of the research program NBC-studies at FOA during the fiscal year 2000. The work covers research and studies for ÖCB concerning protection against NBC-weapons. During 2000 the work has been directed towards * breathing hazards from clouds of chemical- and biological weapons. * detction of N-, B- and C-agents. * development of an NBC decision support system * NBC-protection related to international peace keeping operations. * study of consequences of terrorism and the use of NBC-agents.