ANS open letter to Science magazine challenging claims about HALEU
September 3, 2024
Dr. Holden Thorp
Editor-in-Chief, Science
Subject: Science magazine Policy Forum article “The weapons potential of high-assay low-enriched uranium” published June 2024
Dear Dr. Thorp:
The American Nuclear Society—a professional nuclear science and technology society representing more than 10,000 members worldwide—writes this open letter to address concerns regarding Science magazine’s June 2024 Policy Forum article, entitled “The weapons potential of high-assay low-enriched uranium” by R. Scott Kemp, Edwin S. Lyman, Mark R. Deinert, Richard L. Garwin, and Frank N. von Hippel.
The article describes the potential misuse of high-assay low-enriched uranium (HALEU)1. We acknowledge the importance of this discussion and the necessity of continually evaluating the proliferation risks associated with nuclear materials. However, after extensive technical review of the article by members and officers of the ANS Fuel Cycle and Waste Management Division and the ANS Nuclear Nonproliferation Policy Division, we remain unconvinced of the positions advocated by the authors.
ANS open letter scrutinizes hyperbolic unscientific claims about HALEU
Washington, D.C. — In an open letter to Science magazine, the American Nuclear Society (ANS), a professional nuclear science and technology society representing over 10,000 members worldwide, expressed its membership’s skepticism toward claims made in a recent article that advocated high-assay low-enriched uranium (HALEU) fuel should be reclassified by the United States and restricted from commercial use in powering advanced reactor designs. The ANS emphasized the importance of a balanced, science-based discussion, and scrutinized the unscientific and hyperbolic nature of the arguments presented in the article.
“We acknowledge the importance of this discussion and the necessity of continually evaluating the proliferation risks associated with nuclear materials,” wrote ANS President Lisa Marshall in the letter. “However, after extensive technical review of the article by members and officers of the ANS Fuel Cycle and Waste Management Division and the ANS Nuclear Nonproliferation Policy Division, we remain unconvinced of the positions advocated by the authors.”
Rafael Mariano Grossi, director general of the International Atomic Energy Agency. (Photo: IAEA)
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Statement from the American Nuclear Society on the G7 communiqué.
June 20, 2024, 1:19PMEdited June 20, 2024, 1:31PMUpdated June 20, 2024, 1:29PMPress Releases Las Vegas, Nev. — The American Nuclear Society (ANS) issued the following statement during the 2024 ANS Annual Conference in Las Vegas:
“The American Nuclear Society applauds the Group of Seven (G7) leaders’ Apulia communiqué in its call for continued international cooperation in strengthening, expanding, and diversifying civil nuclear supply chains as the world deploys advanced reactors.
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