TEPCO Posts Animated Video Showing Proposed Removal of Spent Fuel From Reactor 4

By: Friday November 8, 2013 3:00 pm

Tokyo Electric Power Company posted an animated video yesterday, in which they soothingly show how they intend to remove the spent fuel rod assemblies from the storage pools in Reactor 4. Reactor 4 was off-line at the time of the 2011 quake and tsunami. It is the easiest of the reactors in which removal can be attempted.

 

Oyster Creek Nuclear Alert: As Floodwaters Fall, More Questions Arise

By: Wednesday October 31, 2012 1:15 pm

New Jersey’s Oyster Creek Nuclear Generating Station remains under an official Alert, a day-and-a-half after the US Nuclear Regulatory Commission declared the emergency classification due to flooding triggered by Hurricane Sandy. An Alert is the second category on the NRC’s four-point emergency scale. Neil Sheehan, a spokesman for the federal regulator, said that floodwaters around the plant’s water intake structure had receded to 5.7 feet at 2:15 PM EDT Tuesday, down from a high of 7.4 feet reached just after midnight.

Alert Declared at Oyster Creek Nuclear Plant

By: Tuesday October 30, 2012 9:15 am

The US Nuclear Regulatory Commission is reporting that an “alert” has been declared at the Oyster Creek Nuclear Generating Station in Ocean County, New Jersey. An alert is the second level on the four-point scale, a step above an “unusual event.”

NRC Halts License Approvals Pending New Guidelines on Nuclear Waste

By: Wednesday August 8, 2012 3:00 pm

The US Nuclear Regulatory Commission announced Tuesday it would suspend the issuing of new reactor operating licenses, license renewals and construction licenses until the agency crafted a plan for dealing with the nation’s growing spent nuclear fuel crisis. The action comes in response to a June ruling by the US Court of Appeals that found the NRC’s “Waste Confidence Decision”–the methodology used to evaluate the dangers of nuclear waste storage–was wholly inadequate and posed a danger to public health and the environment.

Court Says Regulators Must Evaluate Dangers of Nuclear Waste

By: Saturday June 9, 2012 7:52 am

The Nuclear Regulatory Commission acted improperly when it failed to consider all the risks of storing spent radioactive fuel onsite at the nation’s nuclear power facilities, so ruled a federal court on Friday.

In a unanimous ruling, a three-judge panel of the US court of appeals for the District of Columbia found that the NRC’s “Nuclear Waste Confidence Decision”–the methodology used for evaluating the dangers of long-term waste storage–was woefully inadequate.

As World Honors Fukushima Victims, NRC Gives Them a One-Fingered Salute

By: Friday March 16, 2012 2:52 pm

Rather than it being a salutary moment, a tribute of sorts to the victims in Japan on the anniversary of their disaster, the announcement by the NRC stands more as an insult. It’s as if the US government is saying, “Sure, there are lessons to be learned here, but the profits of private energy conglomerates are more important than any citizen’s quaint notions of health and safety. “

The Party Line – October 28, 2011: NRC Moves to Adopt Fukushima Recommendations “Without Delay”

By: Friday October 28, 2011 2:50 pm

The US Nuclear Regulatory Commission voted last week to implement recommendations from the Near-Term Task Force Review of Insights from the Fukushima Daiichi Accident (PDF), and to do so “without delay.” Coming over seven months after the earthquake and tsunami that started the crisis in Japan, and over four months after the Near-Term Task Force (NTTF) issued its report, the move highlights what might be accomplished when attention is paid, but also illustrates systemic flaws in the US nuclear regulatory regime.

The Party Line – September 30, 2011: No Will, No Way: Nuclear Problems Persist, But US Fails to Seize Fukushima Moment

By: Friday September 30, 2011 4:55 pm

As September drew to a close, residents of southwest Michigan found themselves taking in a little extra tritium, thanks to their daily habit of breathing. The tritium was courtesy of the 40-year-old Palisades Nuclear Generating Station in Covert Township, which suffered its third “event” (as they are politely called) in less than two months, and was forced to vent an indeterminate amount of radioactive steam.

The reactor at Palisades was forced to scram after an accident caused an electrical arc in a transformer in the DC system that powers “indications and controls“–also known as monitoring devices, meters and safety valves.

While it is nice to see rectors shut themselves down when a vital system goes offline, remember that “turning off” a fission reactor is not like flicking a light switch. Shutting down a reactor is a process, and the faster it is done, the more strain it puts on the reactor and its safety and cooling systems. And even after fission is mitigated, a reactor core generates heat that requires a fully functional cooling system.

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