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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
What’s the most difficult question you’ve been asked as a maintenance instructor?
Blye Widmar
"Where are the prints?!"
This was the final question in an onslaught of verbal feedback, comments, and critiques I received from my students back in 2019. I had two years of instructor experience and was teaching a class that had been meticulously rehearsed in preparation for an accreditation visit. I knew the training material well and transferred that knowledge effectively enough for all the students to pass the class. As we wrapped up, I asked the students how they felt about my first big system-level class, and they did not hold back.
“Why was the exam from memory when we don’t work from memory in the plant?” “Why didn’t we refer to the vendor documents?” “Why didn’t we practice more on the mock-up?” And so on.
Keynotes Session
Thursday, August 24, 2023|8:00–8:50AM EDT|Columbia 3/4
Session Chair:
Stephen Bajorek (USNRC)
David E. Holcomb is currently the molten salt reactor (MSR) technology lead for Idaho National Laboratory and a Battelle distinguished inventor. Dr. Holcomb serves as vice-chair and risk and safety lead of the Generation IV International Forum’s MSR provisional system steering committee, chairs the American Nuclear Society’s working group developing a design safety standard for liquid fueled MSRs (ANS 20.2), and serves as a senior technical advisor to the US-DOE MSR campaign. Dr. Holcomb recently retired from the technical staff of Oak Ridge National Laboratory with 30 years of service. He has previously served as the DOE national technical area lead for MSRs and for instrumentation and controls (I&C) for advanced reactors.
Dr. Holcomb has provided support to the US NRC in a variety of MSR areas including fuel salt qualification and topics beyond guidance documents as well as developing an MSR training course for NRC staff. Dr. Holcomb lead the team applying the phenomenon identification and ranking table (PIRT) methodology to MSRs and the team evaluating potential MSR initiating events.
Dr. Holcomb has served as adjunct faculty at the University of Tennessee, Knoxville, in the Nuclear Engineering Department since 1995 and is a current member of the nuclear engineering program advisory board for the Ohio State University. He is a member ANS and is a past chair of the Human Factors, Instrumentation, and Controls Division. Dr. Holcomb has served multiple times as the general and technical chair of the annual ORNL-GAIN MSR workshops.
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