ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
Latest Magazine Issues
Oct 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
November 2025
Nuclear Technology
October 2025
Fusion Science and Technology
Latest News
NEA report calls for more accurate data on SNF heat decay
The OECD Nuclear Energy Agency has issued a report calling for more-detailed information on tracking the decay heat of spent nuclear fuel from light water reactors. According to the NEA, the report highlights the increasing importance of accurate decay heat estimations due to evolving fuel characteristics, including higher initial fuel enrichment, increased burn-up rates, and extended reactor cycle lengths.
The report, Summary of the NEA Assessment on Spent Nuclear Fuel Decay Heat for Light Water Reactors, summarizes the findings of a subgroup of the NEA’s Working Party on Nuclear Criticality Safety (WPNCS), which ran from January 2022 to January 2024.
2024 ANS Winter Conference and Expo
Ms. Rachel Jacobson was confirmed by the U.S. Senate on March 15, 2022, and sworn in as the 17th Assistant Secretary of the U.S. Army for Installations, Energy and Environment (ASA(IE&E)) on April 4, 2022.
As ASA (IE&E), she is the primary advisor to the Secretary of the Army and Chief of Staff of the Army for all matters related to Army installation policy and oversight, and coordination of energy security and management. In addition, she is responsible for policy and oversight of sustainability and environmental initiatives; resource management, including design, military construction, operations and maintenance; Base Realignment and Closure (BRAC); privatization of the Army real estate portfolio and installation Safety and Occupational Health programs.
Ms. Jacobson is an experienced environmental lawyer, having previously served at the Department of Defense during the Obama-Biden Administration as the Deputy General Counsel for Environment, Energy and Installations. Prior to joining DoD, Ms. Jacobson served as a political appointee at the Department of the Interior, first as Principal Deputy Solicitor and then as Acting Assistant Secretary for Fish and Wildlife and Parks.
Ms. Jacobson, who came to the Army position following five years in private practice at the law firm Wilmer Hale in Washington, D.C., spent the majority of her career as a trial lawyer and supervisor at the U.S. Department of Justice in the Environment and Natural Resources Division. She also ran a conservation program at the National Fish and Wildlife Foundation before joining the Obama-Biden Administration.
Ms. Jacobson is a member of the bars of Illinois, D.C. and Massachusetts, and the American College of Environmental Lawyers. She received an undergraduate degree in economics from Washington University in St. Louis, and a law degree from Boston University School of Law. A native of Chicago, Ms. Jacobson resides in Washington, D.C. ASA
Last modified November 6, 2024, 10:01am EST
