NRC


High Energy Arc Faults and the Nuclear Plant Fire Protection IOU

, director, Nuclear Safety Project

Last year, we posted a commentary and an update about a high energy arc fault (HEAF) event that occurred at the Turkey Point nuclear plant in Florida. The update included color photographs obtained from the Nuclear Regulatory Commission (NRC) via a Freedom of Information Act request showing the damage wrought by the explosion and ensuing fire. Neither the HEAF event or its extensive damage surprised the NRC—they had been researching this fire hazard for several years. While the NRC has long known about this fire hazard, its resolution remains unknown. Meanwhile, Americans are protected from this hazard by an IOU. The sooner this IOU is closed out, the better that Americans in jeopardy will be really and truly protected. Read more >

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NRC Cherry-Picking in the Post-Fukushima Era: A Case Study

Mark Leyse, , UCS

In the late 1960s, the Atomic Energy Commission (AEC), the forerunner of the NRC, paid the very companies that designed nuclear reactors—Westinghouse and General Electric (GE)—to test the efficacy of their own emergency cooling systems. Read More

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The “Race” to Resolve the Boiling Water Reactor Safety Limit Problem

, director, Nuclear Safety Project

General Electric (GE) informed the Nuclear Regulatory Commission (NRC) in March 2005 that its computer analyses of a depressurization event for boiling water reactors (BWRs) non-conservatively assumed the transient would be terminated by the automatic trips of the main turbine and reactor on high water level in the reactor vessel. GE’s updated computer studies revealed that one of four BWR safety limits could be violated before another automatic response terminated the event.

Over the ensuring decade-plus, owners of 28 of the 34 BWRs operating in the US applied for and received the NRC’s permission to fix the problem. But it’s not clear why the NRC allowed this known safety problem, which could allow nuclear fuel to become damaged, to linger for so long or why the other six BWRs have yet to resolve the problem. UCS has asked the NRC’s Inspector General to look into why and how the NRC tolerated this safety problem affecting so many reactors for so long. Read more >

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Nuclear Regulatory Commission SAGging?

, director, Nuclear Safety Project

The Screen Actors Guild (SAG) is part of a labor union that represents nearly 160,000 actors and others in America. I don’t know how many NRC senior managers are SAG members, but with more and more individuals acting as senior managers for longer and longer periods, SAG may need to open an office in Rockville, Maryland where NRC is headquartered. Read more >

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Nuclear Regulatory Commission’s Safety Dashbored

, director, Nuclear Safety Project

Who says the Nuclear Regulatory Commission does not have a delightful sense of humor?

Not me. Not anymore. Not after stumbling across the NRC’s Generic Issues Dashboard on its website.

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