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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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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.”
David T. Hobbs
Nuclear Technology | Volume 128 | Number 1 | October 1999 | Pages 103-112
Technical Paper | Radioactive Waste Management and Disposal | doi.org/10.13182/NT128-103
Articles are hosted by Taylor and Francis Online.
Addition of sodium hydroxide to radioactive waste solutions produced a heterogeneous mixture of solids that exhibit different settling characteristics. Plutonium effectively coprecipitated with iron and uranium, and uranium with iron. Aluminum proved ineffective as a coprecipitating agent for either plutonium or uranium. Coprecipitation of uranium and plutonium occurs when the mole ratio of coprecipitating agent to actinide exceeds 1500. Addition of water to the alkaline slurries that simulate dilution during retrieval and pretreatment of high-level wastes results in dissolution of small amounts of uranium and plutonium in some slurries. The amount of uranium and plutonium dissolved did not saturate the solution in either actinide.