Timothy E Margrave Contact margravete@ornl.gov Publications November, 2013 The Effects of Polystyrene Presence on Neutron Detection: Mass Ratio, He... November, 2013 Replacing Copper Shielding with Steel for Weapons Grade Plutonium: A Loo... July, 2011 Summary of Institute of Nuclear Materials Management International Safeg... View All Key Links ORCID Organizations Environmental, Safety and Health Directorate Nuclear and Radiological Protection Division