On Thursday, February 16, 2012, the Nuclear Regulatory Commission (NRC) staff issued 10 CFR 50.54(f) letters to plants that use Westinghouse realistic emergency core cooling system (ECCS) methods (ASTRUM or CQD) and have a peak cladding temperature (PCT) greater than 2000 degrees F. The NRC is concerned that aging nuclear fuel used in Westinghouse reactors […]
In the weeks following the March 11th disaster the estimated exposure dose for children was abnormally elevated, leading the Japanese government to begin testing to deduce the amount of radioactive iodine concentrated in the thyroid of over 1000 children shorty after the accident. Many parents demanded the tests, drawing parallels with the 1986 Chernobyl nuclear […]
EDF Energy, Britain’s largest nuclear power producer, stopped its 480-megawatt (MW) Hinkley Point B7 nuclear reactor on Wednesday evening to repair a hydraulic fluid leak, the company said. Hinkley Point B is one of four nuclear power stations in the area, the others being the adjacent Hinkley Point A together with Oldbury and Berkeley (being decommissioned) on the banks of the River […]
Brunswick events number 47687 and 47690 On 2/22/2012 at approximately 7 PM eastern time, the Brunswick site experienced a loss of balance of plant (BOP) Electrical Bus “Common C”. Several important loads that are fed by this bus include the Support Systems known as “Keep Fill Pumps” for: Unit 1 ‘A’ loop of the Core […]
The Maricopa County Sheriff’s Office investigated a “suspicious Walmart bag” found at the Palo Verde Nuclear Generating Station Wednesday night. The statement released by Arizona Public Service did not disclose what was in the bag to the media. UPDATE – Jim McDonald, a spokesman for plant operator Arizona Public Service, said members of the bomb […]
The temperature of unit 2’s RPV bottom rose by 11.5°C in 24 hours reaching 47.8°C at 11:00 AM on Thursday, while the temperatures from the RPV supporting skirt have also risen nearly 10°C over the last 5 days. The temperature levels from the Safety Relief Valves and the feedwater nozzles have also been steadily increasing since […]
NRC Operational Center Fukushima Day 1 Audio Clips – March 11, 2011 Pages 76, 78, 86, 96, 106, 255, 206-266 Blog: http://public-blog.nrc-gateway.gov/2012/02/21/transcripts-provide-unique-glim… Transcripts: http://www.nrc.gov/reading-rm/foia/japan-foia-info.html
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