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Division Spotlight
Human Factors, Instrumentation & Controls
Improving task performance, system reliability, system and personnel safety, efficiency, and effectiveness are the division's main objectives. Its major areas of interest include task design, procedures, training, instrument and control layout and placement, stress control, anthropometrics, psychological input, and motivation.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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 Technology
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Latest News
Vogtle-3 shuts down for valve issue
One of the new Vogtle units in Georgia was shut down unexpectedly on Monday last week for a valve issue that has since been investigated and repaired. According to multiple local news outlets, Georgia Power reported on July 17 that Unit 3 was back in service.
Southern Company spokesperson Jacob Hawkins confirmed that Vogtle-3 went off line at 9:25 p.m. local time on July 8 “due to lowering water levels in the steam generators caused by a valve issue on one of the three main feedwater pumps.”
S. Chiriki, J. Fachinger, R. Moormann, H.-K. Hinssen, A. Bukaemskiy, R. Odoj
Nuclear Technology | Volume 168 | Number 2 | November 2009 | Pages 264-269
Neutron Data | Special Issue on the 11th International Conference on Radiation Shielding and the 15th Topical Meeting of the Radiation Protection and Shielding Division (Part 2) / Decontamination/Decommissioning | doi.org/10.13182/NT09-A9192
Articles are hosted by Taylor and Francis Online.
Large spallation sources are intended to be constructed in Europe (EURISOL nuclear physics facility and European Spallation Source). These facilities accumulate more than 20 tonnes of irradiated mercury in the target, which has to be treated as highly radioactive and chemotoxic waste. Because solids are the only appropriate (immobile) form for this radiotoxic and toxic type of waste, solidification is required for irradiated mercury. Our irradiation experimental studies on mercury waste revealed that mercury sulfide is a reasonable solid for disposal and shows larger stability in assumed accidents with water ingress in a repository compared to amalgams. For preparation of mercury sulfide, a wet process is more suitable than a dry one. It is easier to perform under hot cell conditions and allows complete Hg conversion. Embedding HgS in a cementitious matrix increases its stability.