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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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!
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Deep geologic repository progress—2025 Update
Editor's note: This article has was originally published in November 2023. It has been updated with new information as of June 2025.
Outside my office, there is a display case filled with rock samples from all over the world. It contains a disk of translucent, orange salt from the Waste Isolation Pilot Plant near Carlsbad, N.M.; a core of white-and-bronze gneiss from the site of the future deep geologic repository in Eurajoki, Finland; several angular chunks of fine-grained, gray claystone from the underground research laboratory at Bure, France; and a piece of coarse-grained granite from the underground research tunnel in Daejeon, South Korea.
19th International Conference on Probabilistic Safety Assessment and Analysis (PSA 2025)
Mark joined NRC’s risk analysis group a few months before the final publication of the Reactor Safety Study. He continued his involvement in NRC risk analysis for another 35+ years, retiring in early 2011 as Director, Division of Risk Analysis, Office of Nuclear Reactor Regulation. Since then, he has provided consulting services in risk management to government, universities, and private industry. He holds a Bachelor’s degree from the University of Florida and a Master’s degree from MIT, both in nuclear engineering.
Last modified June 5, 2025, 12:51pm CDT