 Based on the initiative of Boztayev, the first All Soviet Union “Health of the population and ecological situation in Semipalatinsk region” Conference was conducted 17–19 July 1989 in Semipaltinsk; it revealed to the world for the first time the consequences of nuclear tests.It was at this conference that the Resolution for closing Semipalatinsk nuclear test site was adopted.Boztayev is an author and initiator of the “Social protection of citizens who suffered as a result of nuclear tests conducted in Semipalatinsk nuclear test site” law passed 18 December 1992.