William W. Weaver is a nuclear facilities and tritium risk specialist in the Office of Environmental Management Office of Chief Nuclear Safety, experienced with operation and decommissioning of nuclear facilities and tritium processing, handling, storage, recovery and disposition. He is the author of the “Tritium Standard,” DOE Standard (STD) 1129, and is the co-coordinator of the Tritium Focus Group. He previously was the point of contact for readiness reviews for the Department of Energy (DOE) with the Office of Primary Interest with responsibilities for DOE Order 425.1, STD-3006 and Handbook 3012. He has 44 years of nuclear safety experience gained at a nuclear reactor manufacturer, a commercial nuclear utility and DOE. He has led or participated in over 100-assessments of DOE nuclear facilities. Weaver was the US representative to the International Atomic Energy Agency Working Group on Robotic Applications of Nuclear Power Plants and was the chairman of an American Society of Testing and Materials Subcommittee on Deactivation and Decommissioning. He has published extensively, including articles in professional journals such as Nuclear Safety, Nuclear Science and Engineering, Nuclear Technology, Fusion Technology and Fusion Science and Technology. Weaver was a peer reviewer for the Nuclear Regulatory Commission/Industry PRA Guide Book (CR-2300) in 1980 when he was head of the PRA group at Babcock and Wilcox and served as an expert witness before the Atomic and Licensing Safety Board on the risks associated with TMI-2. He is Senior Technical Safety Manager qualified and possesses current certifications as both a Quality Engineer and a Reliability Engineer from the American Society of Quality. Weaver holds a Bachelor of Science in Marine Engineering from the US Merchant Marine Academy, a Master of Science in Nuclear Engineering from Massachusetts Institute of Technology, a Master of Business Administration from the George Washington University and has completed all coursework towards a doctorate from the University of Virginia.