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Committee Membership Information

Project Title: Disposal of Surplus Plutonium in the Waste Isolation Pilot Plant

PIN: DELS-NRSB-17-03        

Major Unit:
Division on Earth and Life Studies

Sub Unit: Nuclear and Radiation Studies Board


Heimberg, Jennifer

Subject/Focus Area:  Earth Sciences; Engineering and Technology; Environment and Environmental Studies; Math, Chemistry, and Physics; Policy for Science and Technology; Transportation and Infrastructure

Committee Membership
Date Posted:   11/02/2017

Dr. Robert C. Dynes - (Chair)
Robert C. Dynes (NAS, committee chair) was the 18th president of the University of California (UC) and is now a professor of physics at UC Berkeley and UC San Diego, where he directs a laboratory that focuses on superconductivity. Dr. Dynes served as chancellor of UC San Diego from 1996 to 2003 after six years in the physics department, where he founded an interdisciplinary laboratory in which chemists, electrical engineers, and private industry researchers investigated the properties of metals, semiconductors, and superconductors. Prior to joining the UC faculty, he had a 22-year career at AT&T Bell Laboratories, where he served as department head of semiconductor and material physics research and director of chemical physics research. Dr. Dynes received the 1990 Fritz London Award in Low Temperature Physics, was elected to the National Academy of Sciences in 1989, and is a fellow of the American Physical Society, the Canadian Institute for Advanced Research, and the American Academy of Arts and Sciences. He is the current chair of the Nuclear and Radiation Studies Board at the National Academies of Sciences, Engineering, and Medicine and has served on the executive committee of the US Council on Competitiveness. A native of London, Ontario, Canada, and a naturalized US citizen, Dr. Dynes holds a bachelor's degree in mathematics and physics and an honorary doctor of laws degree from the University of Western Ontario, and master's and doctorate degrees in physics and an honorary doctor of science degree from McMaster University. He also holds an honorary doctorate from L’Université de Montréal.

Ms. Lisa M. Bendixen
Lisa M. Bendixen is an expert in hazmat risk and safety and has worked on risk assessment and management, security, and resilience problems in numerous industries covering both fixed facilities and transportation systems. She is currently a vice president with ICF, consulting on critical infrastructure security and resilience, mission assurance, and other risk management issues with the Departments of Defense, Energy, and Homeland Security..She was the project manager and primary author of the Guidelines for Chemical Transportation Risk Analysis, published by the American Institute of Chemical Engineers’ (AIChE) Center for Chemical Process Safety and served on the center’s technical steering committee. She also applies her skills and experience to a range of security issues. She served on the Transportation Security Panel for the National Research Council’s (NRC) report Making the Nation Safer: The Role of Science and Technology in Countering Terrorism and was on the National Research Council committee that produced the report Terrorism and the Chemical Infrastructure: Protecting People and Reducing Vulnerabilities as well as several other national committees focusing on transportation risks, including spent fuel. Her work with DHS has included long-term support on critical infrastructure security and resilience, including several versions of the National Infrastructure Protection Plan, development and implementation of the Chemical Facility Anti-Terrorism Standards, and other strategic and policy support to the Office of Infrastructure Protection. She has been supporting DOE on work related to grid security, specifically from adversarial threat, as well as an electromagnetic pulse resilience strategy and action plan.She is also actively supporting DoD on critical energy and communications infrastructure. She has played leading roles in several safety and risk associations. Ms. Bendixen holds a BS in applied mathematics and an MS in operations research from the Massachusetts Institute of Technology.

Dr. Michael S. Bronzini
Michael S. Bronzini is Dewberry Chair Professor Emeritus in the Volgenau School of Engineering at George Mason University. He is principal and cofounder of 3 Sigma Consultants, LLC, based in Nashville, Tennessee. Dr. Bronzini has conducted research and authored more than 250 publications on innovative solutions to complex multimodal transportation systems problems. His current work focuses on marine and intermodal transportation, freight transport, and national transportation networks and intermodal systems. He was Principal Investigator of a project to develop model curricula for transportation of hazardous materials, for the National Academies’ Hazardous Materials Cooperative Research Program. He has led the development of several large inland navigation simulation and analysis models, all of which have been used for navigation feasibility studies by the US Army Corps of Engineers. He has served as an independent technical review consultant for the Ohio River Navigation Investment Model, was an external reviewer of the Delaware River Channel Deepening Feasibility Study, and participated in two separate studies of the capacity and expansion potential of the Panama Canal. From 1990 to 1999, Dr. Bronzini was Director of the Center for Transportation Analysis at Oak Ridge National Laboratory in Oak Ridge, Tennessee, and was responsible for overseeing its interdisciplinary transportation research program. He was Professor and Head of Civil Engineering at Pennsylvania State University and Director of the Transportation Center and Professor of Civil Engineering at the University of Tennessee. Dr. Bronzini is a National Associate of the National Academies and has held numerous leadership positions in the Transportation Research Board of the National Academies, including Chair of the Inland Water Transportation Committee and Chair of the Study Committee on Landside Access to US Ports. He received a bachelor of science degree in civil engineering from Stanford University and a PhD in civil engineering from Pennsylvania State University.

Mr. George E. Dials
George E. Dials resigned his executive position with Babcock and Wilcox Corporation in mid-2014 and returned with his wife Pamela to their home in Santa Fe, New Mexico. For several months, he served as a senior executive advisor to the Director of Los Alamos National Laboratory in an established position as Director of the Strategic Improvement Office, charged with the objective of enabling implementation of the recently published Los Alamos National Laboratory Strategic Plan. In May 2015, Mr. Dials accepted the position as President and CEO of Pajarito Scientific Corporation (PSC) located in Santa Fe, New Mexico. Effective September 1, 2017, in order to focus on a number of other family and business interests, he resigned his position as president and CEO of PSC and accepted a role as senior advisor to and member of the Board of Directors of the company. Mr. Dials’ career spans four decades in energy, national security, waste management, and nuclear technology programs. He has held leadership positions in national security and waste management corporations, and at the Department of Energy. Previously, Mr. Dials was president of B&W Conversion Services, LLC (BWCS), and served as project manager for the Depleted Uranium Hexafluoride (DUF6) Conversion Operations, the first of its kind nuclear operation in the United States. Mr. Dials directed the BWCS Lexington project office and is the day-to-day interface with the Department of Energy’s (DOE) federal project director. He also directed operations at the conversion plants in Piketon, Ohio and Paducah, Kentucky. He joined B&W Y-12 Nuclear Weapons Complex, LLC in 2006, serving as president and CEO, where he managed a $1.2 billion annual budget and more than 4,600 employees, leading Y-12 through a period of improvement initiative’s restorations and new builds, restored the facilities to full production capabilities and operations. Previously, Dials held executive leadership positions at DOE’s waste disposal facilities, which included WIPP and Yucca Mountain—locations designed to safely manage waste from nuclear operations. He was president and COO of the privately-owned Waste Control Specialists, LLC, operating the hazardous waste disposal facility, and managing licensing of a low-level radioactive waste treatment and storage facility. Formerly, he oversaw design, engineering and scientific studies of the Yucca Mountain Project as president and general manager of TRW Environmental Safety Systems, Inc., a DOE management and operating contractor. As a member of DOE’s Senior Executive Service, Mr. Dials was manager, Carlsbad Area Office, responsible for WIPP and the National Transuranic Waste Program. He also served as Idaho Operations Office Assistant Manager in Idaho Falls. Career awards include the U.S. DOE Exceptional Service Medal, 1998; New Mexico Distinguished Public Service Award, 1998; and ANS (American Nuclear Society) Fellow, 2006; Waste Management Symposia Wendell D. Weart Life Time Achievement Award, 2012; Worldwide Who’s Who Executive; and Nuclear Fuel Cycle, 2013. During his military career, Mr. Dials served in multiple leadership roles, including an assignment as a Military Research Associate to the Los Alamos National Laboratory; Special Weapons Plans Officer, United Nations Command/U.S. Forces Korea, South Korea; and company commander of a combat infantry company, South Vietnam. Military decorations include a Silver Star, four Bronze Stars, and two Air Medals awarded for combat operations in Vietnam. Mr. Dials holds a BS in engineering from the United States Military Academy, West Point and an MS in nuclear engineering and an MS in political science, respectively, from the Massachusetts Institute of Technology.

Dr. Leonard W. Gray
Leonard W. Gray, retired from E. O. Lawrence Livermore National Laboratory in 2005, has 50-years’ experience in the chemistry, engineering, and physics of plutonium processing. He began his career in 1966 at the Savannah River Site with assignments in both H- and F-Area Canyons (solvent extraction), F-B-Line (Plutonium Finishing) and F-A-Line (Uranium Finishing). After an educational leave-of-absence to obtain his PhD, he was assigned to the Savannah River Laboratory with assignments in Analytical Chemistry Section where he was the lead chemist for chemical forensics of process upsets and then the Separations Chemistry Section where he was responsible for developing processes for reactor spent fuels labeled as non-processable. He then was the lead chemist for the aqueous recovery of many tons of plutonium scrap residues which had collected at the Rocky Flats Site. In 1988, he transferred to the Lawrence Livermore National Laboratory to lead the chemical processing portion of the Laser Special Isotope Separations Program. His previous chemical forensic work at Savannah River resulted in an invitation to visit the Russian Tomsk-7 Processing site to aid in the investigation of a similar accident to one that had occurred at Savannah River. His assignments have taken him to nuclear facilities in Australia, China, France, England, Russia, and Scotland. He has won numerous awards for his work in chemical forensics and plutonium processing science. These include “Award of Excellence for Significant Contributions to the Nuclear Weapons Program” (his team was the first team at Savannah River to be awarded “The Award of Excellence” by the Director of Military Applications) and he is the only recipient from LLNL to be awarded the Glenn T. Seaborg Actinide Separation Award. Before retirement he was the chief scientist for the U.S.-Russian Plutonium Disposition Program. He also served on the Chemical Safety Committee of the American Chemical Society. Dr. Gray remains active in retirement continuing to mentor young scientists, having served as chief scientist for the safe de-inventory and shut-down of the Heavy Element Facility, having authored the recent Official Use Only publication “Worldwide Plutonium Production and Processing,” and presently serves as the chairman of the Plutonium Experts Panel for the National Technical Nuclear Forensics Center of the Department of Homeland Security. Dr. Gray received his PhD in inorganic chemistry from the University of South Carolina in 1972, his master's degree in chemistry from Texas Technological College in 1967 and his bachelor's degree in chemistry from the New Mexico Institute of Mining and Technology in 1964.

Dr. Michael R. Greenberg
Michael R. Greenberg studies environmental health and risk analysis. He is currently interim Dean and distinguished professor of the Edward J. Bloustein School of Planning and Public Policy, Rutgers University. He has written more than 30 books and more than 300 articles. His most recent books are The Environmental Impact Statement After Two Generations: Managing Environmental Power, (Routledge, 2011), Nuclear Waste Management, Nuclear Power and Energy Choices: Public Preferences, Perceptions, and Trust, (Springer, 2012), Protecting Seniors Against Environmental Disasters: From Hazards and Vulnerability to Prevention and Resilience (Earthscan, 2014), and Explaining Risk Analysis (Earthscan, 2017). He has been a member of National Research Council Committees that focus on the destruction of the US chemical weapons stockpile and nuclear weapons; chemical waste management; and the degradation of the US government physical infrastructure, and sustainability and the US EPA. He chaired the Committee for the appropriations committees of the US Senate and House to determine the extent that the US DOE emphasizes human health and safety in its allocations for remediating former nuclear weapons sites. He served as area editor for social sciences and then editor-in-chief of Risk Analysis: An International Journal during the period 2002-2013, and continues as associate editor for environmental health for the American Journal of Public Health. Professor Greenberg graduated with BA from Hunter College with concentrations in math and history and an MA in urban geography and a PhD in environmental and medical geography from Columbia University, respectively.

Dr. David W. Johnson, Jr.
David W. Johnson, Jr., is a retired editor-in-chief for the Journal of the American Ceramic Society. He is the retired director of materials research at Bell Laboratories, Lucent Technologies, and former adjunct professor of materials science at Stevens Institute of Technology. His research activities included fabrication and processing of glass and ceramics with emphasis on materials for electronic and photonic applications. He is a member of several professional societies, including a fellow, distinguished life member, and past president of the American Ceramic Society. Dr. Johnson won the Taylor Lecture Award and the Distinguished Alumni Award from Pennsylvania State University; the Ross Coffin Purdy Award for the best paper in ceramic literature; the Fulrath Award; the John Jeppson Award; the Orton Lecture Award from the American Ceramic Society; and the International Ceramics Prize for Industrial Research from the World Academy of Ceramics. He is a member of the National Academy of Engineering and the World Academy of Ceramics. He holds 46 US patents and has published numerous papers on materials sciences. He earned a BS in ceramic technology and a PhD in ceramic science from Pennsylvania State University.

Dr. Annie B. Kersting
Annie Kersting is director of University Relations and Science Education at the Lawrence Livermore National Laboratory (LLNL). She oversees a broad range of educational science and technology programs and initiatives that advance the mission and vision of the Laboratory. She works with the Laboratory’s senior leadership to develop and execute strategies, build strategic partnerships and foster collaborative research and education initiatives to ensure a workforce pipeline of top-tier science and technology talent. Dr. Kersting’s research interests include the fields of radiochemistry, isotope geochemistry, and environmental chemistry. She manages an active research group in environmental radiochemistry focused on understanding the bio-geo-chemical processes that control actinide (U, Pu, Np, Am) transport in the environment. In particular, she is interested in identifying the processes that control actinide interactions on the molecular scale with inorganic, organic, microbial surfaces in the presence of water with the goal to reliably predict and control the cycling and mobility of actinides in the environment. Dr. Kersting previously served as the Director of the Glenn T. Seaborg Institute in the Physical and Life Sciences Directorate, where she focused on collaborative research between LLNL and the academic community in nuclear forensics, super heavy element discovery and environmental radiochemistry. Dr. Kersting was a board member of the Nuclear and Radiation Studies Board, National Research Council 2010-2014, and a committee member on the National Academy Sciences National Research Council, Nuclear and Radiation Studies Board Committee from 2006-2007. She served on the Environmental Management Sciences Program Review Panel of the US Department of Energy’s Office of Science in 2006, and served as a scientific advisor on the Actinide Migration Committee for Rocky Flats from 2000-2003. She serves as an associate editor of Geochimica et Cosmochimica Acta since 2013. In 2016, she was awarded the Francis P. Garvan-John M. Olin Medal from the American Chemical Society for excellence in chemistry, leadership and service. In 2017, she was awarded the Secretary of Energy’s Achievement Award for contributions to the Department and the nation for serving on the technical Assessment Team. She holds a BS in Geology and Geophysics from the University of California, Berkeley, and an MS and PhD in Geology and Geophysics from the University of Michigan. She was a postdoctoral fellow in the Institute of Geophysics and Planetary Physics at LLNL from 1992-1995.

Dr. M. David Maloney
Dave Maloney is emeritus technology fellow at CH2M, providing support to operations at DOE nuclear sites by identifying, developing, and deploying new technologies- including waste, nuclear material and used fuel management- to reduce the costs and schedule of decommissioning, remediation and closure. At Rocky Flats and Hanford, both plutonium mission sites, he partnered with the DOE EM Science and Technology Program to create a risk/cost-shared approach that became a model and a Congressional Line Item for the weapons complex that saved over $350M. This work involved waste material conditioning/treatment, packaging, assay, certification, and shipping to other sites for future processing and to WIPP for disposal. Dr. Maloney participated in workshops on Total System Performance Assessment (TSPA) models for the US HLW repository and on UK RWMD waste form/package/near-geoenvironment integration for the UK HLW/ILW repository. He also managed a 5-year NNSA Initiatives for Proliferation Prevention project with the Russian Academy of Sciences and the PA Mayak production and storage site investigating ceramics for waste form and cask applications. For 2 years he served as assistant to the general manager, Energy and Environment Programs, at Argonne National Laboratory where he focused on technology transfer to industry. He has participated in several National Academies of Science study panels from 1997 to date supporting DOE EM and NNSA inquiries. Dr. Maloney has a PhD in Physics from Brown University. His research associate work was at the Institute for Experimental Nuclear Physics, Technische Hochschule Karlsruhe and Kernforschungszentrum, Germany.

Mr. S. Andrew Orrell
Andrew Orrell is the section head for Waste and Environmental Safety at the International Atomic Energy Agency (IAEA) where he is responsible for the development and promulgation of internationally accepted standards, requirements and guides for the safe management of radioactive waste and spent fuel, decommissioning, remediation and environmental monitoring. In addition, Mr. Orrell oversees the planning and execution of support to the IAEA Member States for the implementation of the IAEA Safety Standards, and the Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management. Prior to joining the IAEA, Mr. Orrell was the director of Nuclear Energy Programs for Sandia National Laboratories, where he was responsible for laboratory development initiatives involving all facets of the nuclear fuel cycle. He provided executive leadership for Sandia's Lead Laboratory for Repository Systems program, managing the completion of the post-closure performance assessment and safety case for a license to construct the nation's first geologic repository for high-level nuclear waste at Yucca Mountain. Prior to working on Yucca Mountain, he managed site characterization programs for a deep geologic repository for transuranic waste at the Waste Isolation Pilot Plant, and developed transportation optimizations for the National Transuranic Waste Management program. With over 25 years of professional experience in nuclear fuel cycle and radioactive waste management for the U.S. and several international programs, Mr. Orrell is versed in the complex interdependencies between nuclear energy development, waste management, decommissioning, remediation and disposal. Mr. Orrell routinely advises government and industry leaders on the technical and policy implications for radioactive waste management, including repository development and licensing, national policy development and regulation, site characterization and safety case. development, storage, transportation, and the securing of public confidence.

Hon. William C. Ostendorff
William C. Ostendorff (U.S. Navy-retired) joined the Naval Academy’s Political Science Department as the Class of 1960 Distinguished Visiting Professor in National Security in August 2016. In the fall of 2016, he taught a senior seminar in nuclear weapons and US national security. In the spring of 2017, he taught a seminar Congress and National Security Decision Making, and a seminar course, Nuclear Science, Technology, Engineering, and Policy. Captain Ostendorff has been confirmed by the US Senate on three occasions to serve in senior administration posts in both Republican and Democratic administrations. He served as Principal Deputy Administrator at the National Nuclear Security Administration (NNSA) in the Bush Administration (2007-2009) and as a Commissioner at the US Nuclear Regulatory Commission (NRC, 2010-2016) in the Obama Administration prior to joining the Naval Academy faculty. At the NRC, Commissioner Ostendorff was a strong proponent of regulatory technical competence. He was considered by many to be a key leader on the Commission in the areas of post-Fukushima regulatory decision-making and in both physical and cyber security of commercial nuclear facilities. During his over six years as a Commissioner, he testified before Congress on twenty-six occasions and gave over 180 speeches in the United States and abroad on nuclear safety and security. At NNSA, Captain Ostendorff served as Central Technical Authority for nuclear safety and as Chief Operating Officer of the agency. He played a significant leadership role in developing the future vision for the nation’s national security laboratories and in evaluating options for nuclear weapons complex modernization. From 2003 to 2007, he was a member of the staff of the House Armed Services Committee. There, he served as counsel and staff director for the Strategic Forces Subcommittee with oversight responsibilities for the Department of Energy's Atomic Energy Defense Activities as well as the Department of Defense's space, missile defense and intelligence programs. He served as staff chair for dozens of hearings at both the subcommittee and full committee level including highly visible hearings on the 9/11 Commission, the Weapons of Mass Destruction Commission and other hearings associated with US strategic forces. Captain Ostendorff was an officer in the US Navy from 1976 until he retired in 2002. Entering the Rickover Nuclear Navy, he served on six submarines. During his naval career, he commanded a nuclear attack submarine, a nuclear attack submarine squadron and served as Director of the Division of Mathematics and Science at the US Naval Academy. His military decorations include four awards of the Legion of Merit and numerous unit and campaign awards. He earned a bachelor degree in systems engineering from the United States Naval Academy, a law degree from the University of Texas and a master’s in international and comparative law from Georgetown University. He is a member of the State Bar of Texas.

Ms. Tammy C. Ottmer
Tammy C. Ottmer is a nationally-recognized expert in nuclear waste transportation safety. She was appointed to her position as Waste Isolation Pilot Plant (WIPP) Program Manager by the Governor of the State of Colorado. In addition, she was delegated additional responsibility as Manager over Nuclear Materials Transportation Oversight by Colorado State Patrol including collaborative planning with shippers and carriers intending to move radioactive materials and nuclear waste through Colorado, the western region, and across the nation. She continues to design, develop, implement, and oversee nuclear materials transportation for new transportation campaigns utilizing the WIPP program as a model. A primary focus area continues to be the full implementation of the Western Governors' Association (WGA)/U.S. Department of Energy (USDOE) Cooperative Agreement for the Transportation of Transuranic Wastes. She works at a regional and national level to innovate approaches to assure the safe transportation of transuranic materials; highway route controlled quantities; high-level radioactive waste as well as commercial spent nuclear fuel shipments in the distant future whether to interim storage or permanent disposal. Ms. Ottmer has chaired committees chartered to update internal USDOE Manuals then integrate them into the internal USDOE Order system. These Orders have a direct correlation to safe transportation when they are incorporated into USDOE Requests for Proposal for new contracts across the nation. Ms. Ottmer serves as Advisor to the Governor on nuclear transportation matters including the spent commercial nuclear fuel stored at the Fort Saint Vrain Independent Spent Fuel Storage Installation in northern Colorado. Ms. Ottmer has had an opportunity to serve in an international capacity. The International Atomic Energy Agency in Vienna, Austria, asked specifically for Ms. Ottmer to serve as a consultant. The mission of this consultancy was to review and evaluate international radiological transportation safety guides. The guides concerned transportation accidents involving radioactive materials as well as associated emergency response. She provided recommendations for the revisions of these transportation safety guides. Ms. Ottmer received a BA from the University of Colorado at Boulder.

Dr. Cecil V. Parks
Cecil V. Parks' career has spanned 39 years at Oak Ridge National Laboratory (ORNL) where he is currently director of the Nuclear Security and Isotope Technology Division (NSITD). Prior to this assignment, he served as director of the Reactor and Nuclear Systems Division (RNSD) and director for the former Nuclear Science and Technology Division. In these senior leadership positions Dr. Parks has been responsible for line management, strategic planning, and mission execution for diverse R&D organizations engaged in basic and applied science and technology for the nuclear fuel cycle, isotope production, and nuclear security. He has extensive experience in programmatic business development and execution with a wide range of government agencies including the Department of Energy (DOE), the National Nuclear Security Administration (NNSA), and the Nuclear Regulatory Commission (NRC). In his current role as director for NSITD, he has responsibility for staff and laboratories focused on isotope production and radiochemical processing, nuclear nonproliferation R&D, nuclear fuel cycle forensics, radiation detection and imaging, safeguards and security technology, material protection and control, transportation security, export control, and nuclear security operations support. From 1980 to 2014 Dr. Parks had project or line responsibility for development of the SCALE code system, which is used worldwide to solve challenging problems in reactor physics and depletion, criticality safety, and radiation transport. For 35 years Dr. Parks has consulted on technical and safety issues associated with transport and storage of fissile and radioactive material. From 1992 to 2012, he supported the NRC and the Department of Transportation (DOT) as the US technical expert to the International Atomic Energy Agency (IAEA) on packaging requirements and transport controls for fissile material. Dr. Parks has been active in professional societies and been a member, facilitator, or leader of various review teams chartered by the NNSA, DOE, or NRC. Dr. Parks is the author or co-author of over 150 technical papers, ORNL or NRC reports, and journal articles, and has been engaged in standards development related to nuclear criticality safety. Dr. Parks has a PhD in Nuclear Engineering from the University of Tennessee and MS and BS degrees in Nuclear Engineering from North Carolina State University. He also has a BS in Mechanical Engineering from North Carolina State University. Dr. Parks is a Fellow of the American Nuclear Society.

Dr. Matthew K. Silva
Matthew K. Silva served 10 years as the chemical engineer and four years as the director of the New Mexico Environmental Evaluation Group until its closure in 2004. As mandated by federal law, the organization provided an independent technical evaluation of the WIPP project to assure the protection of the safety and public health of the people of New Mexico. Currently, Dr. Silva serves as chair of the New Mexico Tree Farm Committee. He holds a B.S. in basic science and an M.S. in petroleum engineering from the New Mexico Institute of Mining and Technology. Additionally, he holds a Ph.D. in chemical engineering from the University of Kansas.

Committee Membership Roster Comments
11/3/2017 - Updated Dr. Maloney and Mr. Orrell's names.

1/22/2018 - Updated Hon. Ostendorff's name.

1/24/2018 - Added Dr. Matthew Silva.

Statement of Committee Composition
In response to the balance and composition discussion within the committee and after consideration of public comments, an individual with independent technical and historical expertise on WIPP and experience in environmental sciences has been added to the committee.