This technical study concentrates on the option for the disposition of plutonium looking in detail at the different types of reactors in which weapons plutonium could be burned and at the vitrification of plutonium and comparing them using economic security and environmental criteria. Management and disposition of excess weapons plutonium reactor related options washington dc the national academies press doi 1017226 4754 x save cancel 2 background consideration of the options for disposition of weapons plutonium wpu by irradiating it in nuclear reactors or mixing it with radioactive waste streams from reactors which is the task of this report requires . Management and disposition of excess weapons plutonium reactor related options washington dc the national academies press doi 1017226 4754 x save cancel 7 conclusions and recommendations in this study we have analyzed the possibilities for 1 using nuclear reactors to process surplus weapons plutonium wpu into forms resistant to diversion or theft for reuse in nuclear weapons . On july 10 the national academy of sciences nas released a major technical report on the preferred options for the disposal of weapons plutonium by using it as fuel in existing civil power reactors or by immobilizing it with existing high level radioactive wastes in glass open quoteslogsclose . Management and disposition of excess weapons plutonium reactor related options washington dc the national academies press doi 1017226 4754 x save cancel 1 introduction the first and second strategic arms reductions treaties start i and start ii call for deep reductions in the strategic nuclear forces that have been deployed on the territories of the united states russia and