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Japan Nuclear Body Says Radioactive Water at Fukushima an Emergency

Thu, 2013-08-08 07:36 — Kathy Gilbeaux

         

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reuters.com - by Antoni Slodkowski and Mari Saito - TOKYO | Aug 5, 2013

(Reuters) - Highly radioactive water seeping into the ocean from Japan's crippled Fukushima nuclear plant is creating an "emergency" that the operator is struggling to contain, an official from the country's nuclear watchdog said on Monday.

This contaminated groundwater has breached an underground barrier, is rising toward the surface and is exceeding legal limits of radioactive discharge, Shinji Kinjo, head of a Nuclear Regulatory Authority (NRA) task force, told Reuters.

Countermeasures planned by Tokyo Electric Power Co are only a temporary solution, he said.

Tepco's "sense of crisis is weak," Kinjo said. "This is why you can't just leave it up to Tepco alone" to grapple with the ongoing disaster.

"Right now, we have an emergency," he said.

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Nuclear Power Plant in Limbo Decides to Close (San Onofre Nuclear Plant in California)

Sat, 2013-06-08 13:50 — admin

New York Times - June 7, 2013 - Matthew L. Wald

The owners of the San Onofre nuclear power plant in Southern California, which has been shut since January 2012, said on Friday that they would close it permanently because of uncertainty over when it could be reopened.

The two reactors at San Onofre had not run since a small amount of radioactive steam escaped from new tubes damaged by vibration and friction. Coming months after the Fukushima Daiichi meltdown in Japan, the event prompted a wave of public opposition and set off a legal and regulatory battle that included Southern California Edison, the Nuclear Regulatory Commission and Mitsubishi Heavy Industries, which manufactured the parts that leaked.

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Radioactive Fish Found In California: Contamination From Fukushima Disaster Still Lingers

Sun, 2013-02-24 12:03 — Kathy Gilbeaux

            

A fisherman displays his haul of Bluefin Tuna.

CLICK HERE: STUDY - Radiocesium in Pacific Bluefin Tuna Thunnus orientalis in 2012 Validates New Tracer Technique

huffingtonpost.com - by Aaron Sankin - February 22, 2013

Nearly two years after a powerful earthquake triggered a leak at Japan's Fukushima Dai-ichi nuclear plant, the effects of that disaster are still being felt on the other side of the planet.

A report released earlier this month by researchers at Stanford University's Hopkins Marine Station found that bluefin tuna caught just off the California coast tested positive for radiation stemming from the incident.

The study looked at the levels of radiocesium, one of the most common results of nuclear fission reactions, in Pacific Bluefun Tuna--largely as way to track the species' migratory patterns as the fish make their cross-oceanic journey in search of prey.

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California Nuclear Plant Shut Indefinitely Amid Hunt to Find Cause of Problems

Sat, 2012-04-07 08:24 — Kathy Gilbeaux

submitted by Janine Rees

      

The power plant has been shut down since this winter, when a small amount of radioactive gas escaped.

CNN - April 6, 2012
STORY HIGHLIGHTS
  • Anti-nuclear activists warn of a potential environmental catastrophe
  • The San Onofre nuclear plant has been shut down since radioactive gas escaped
  • Officials have said there's no harm to the public health, but can't identify problem's cause
  • The head of the NRC says the plant won't restart until a cause and plan is put forward

(CNN) -- A large Southern California nuclear plant is out of commission indefinitely, and will remain so until there is an understanding of what caused problems at two of its generators and an effective plan to address the issues, the nation's top nuclear regulator said Friday.

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Canopy-Forming Kelps as California’s Coastal Dosimeter: 131I from Damaged Japanese Reactor Measured in Macrocystis Pyrifera

Sat, 2012-03-31 22:13 — Kathy Gilbeaux

                           This study indicates Kelp could act as a coastal dosimeter for California.

                  

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Cracked Steam Generator Tubes at San Onofre

Fri, 2012-03-30 22:41 — Kathy Gilbeaux

by Dave Lochbaum - allthingsnuclear.org - March 27, 2012

Leaks in San Onofre Unit 3 and Unit 2:

On February 18, 2011, operators restarted the Unit 3 pressurized water reactor (PWR) at the San Onofre nuclear plant in southern California following its sixteenth refueling outage. During the outage, workers replaced both of the reactor’s steam generators, which are large cylindrical containers that are partially filled with water.

At 3:05 pm on January 31, 2012 – less than a year later – radiation alarms alerted the control room operators that water was leaking through one or more of the tubes in one of the steam generators on Unit 3. They estimated the leak rate to be 82 gallons per day.

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