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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!
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Nuclear Science and Engineering
November 2025
Nuclear Technology
October 2025
Fusion Science and Technology
Latest News
Excel Services and GSE Solutions talk license renewal
The American Nuclear Society recently hosted a Supplier Showcase webinar, “License Renewal: Smarter, Faster, Better,” featuring two industry experts from Excel Services Corporation, a regulatory and consulting services firm, and GSE Solutions, a nuclear engineering and software company, who both shared a variety of insights into how to go through the license renewal process efficiently.
21 Consulting Group, Inc. (21CGI) is a woman owned small business specializing in Nuclear Criticality Safety (NCS). Founder and President, Sandi Larson, has over 30 years of NCS experience. 21CGI supports multiple clients, both in the US government and commercial nuclear sectors. The supported sites perform a wide array of fissile operations, from plutonium and uranium processing and recovery to uranium enrichment, nuclear fuel fabrication and waste disposal. Some 21CGI clients, such as the Y-12 National Security Complex and Los Alamos National Laboratory, routinely process large quantities of fissile materials while others have smaller NCS programs, like the Waste Isolation Pilot Plant and Pacific Northwest National Laboratory. Thus, 21CGI brings a broad knowledge base of operations, lessons learned and best practices to each new task.