Exposure to radiation by workers in Finalnd
Outokumpu workers exposed to radiation http://af.reuters.com/article/metalsNews/idAFL5E8DO6SX20120224
* Four Outokumpu workers exposed to radiation
* One worker’s exposure “material safety risk”
* Radiation should not have adverse health effects
* Recycled steel had contained americium (Adds detail) Continue reading
Expand public’s right to question nuclear safety, says Nuclear Regulatory Commission chief
Nuclear Regulatory Commission chief sides with Pilgrim watchdog group, By Christopher Burrell, Enterprise News.com, The Patriot Ledger Feb 23, 2012 In a surprising move to side with critics of the Pilgrim nuclear power plant, the chairman of the Nuclear Regulatory Commission is arguing to expand, not limit, the public’s chance to ask plant-safety questions in light of last year’s Fukushima Dai-ichi disaster in Japan.
The Fukushima nuclear plant has a similar reactor to the one at Pilgrim, which has been trying for six years to win approval from the NRC for a 20-year extension of its operating license. “Given the significance of that accident (at Fukushima) and the potential implications for the safety of our nuclear reactors, we should allow members of the public to obtain hearings on new contentions on emerging information,” NRC Chairman Gregory Jaczko
wrote in a dissenting opinion released Wednesday. Jaczko was the sole dissenter on the five-member commission, which is appointed by the president. Continue reading
San Clemente residents want independent radiation monitoring of San Onofre nuclear plant
South Korea’s nuclear program falters, as public opposition increases
the reactor has had 51 malfunctions since it went online, “due to flaws in machinery and components, including radiation leaks, coolant leaks and reactor shutdowns,”
South Korea to boost nuclear power? SEOUL, Feb. 20 (UPI) — South Korea’s plans to boost nuclear power face increasing resistance from civic and environmental groups, post Fukushima, the Japanese reactor site hit by an earthquake and tsunami last year… Continue reading
USA’s worries about its nuclear reactors similar to Fukushima’s
U.S. nuclear plants similar to Fukushima spark concerns By Matt Smith, CNN
February 17, 2012 — As the United States prepares to build its first new nuclear power reactors in three decades, concerns about an early generation of plants have resurfaced since last year’s disaster in Japan.
The Vermont Yankee nuclear power plant — the subject of a battle between state authorities and the Nuclear Regulatory Commission over its continued operation — uses one of 23 U.S. reactors built with a General Electric-designed containment housing known as the Mark I.
It’s the same design that was used at Japan’s Fukushima Daiichi nuclear power plant, where three reactors melted down after the station was struck by the tsunami that followed Japan’s historic earthquake in March 2011. The disaster resulted in the widespread release of radioactive contamination that forced more than 100,000 people from their homes…..
Arnie Gundersen, a former nuclear engineer and a leading critic of the Vermont Yankee plant, says the Japanese accident shows the Mark I containment system can’t prevent a release of radioactivity in a meltdown.
Watch an excerpt from this weekend’s CNN Special Investigations Unit report on Vermont Yankee
In an October hearing before the NRC’s Petition Review Board, he said the vents were a “Band-Aid fix” for the design that failed “not once, not twice, but three times” at Fukushima Daiichi.
“True wisdom means knowing when to modify something and knowing when to stop,” said Gundersen, who leads a state commission set up to monitor the Vermont Yankee plant.
Half of U.S. reactors are more than 30 years old….. http://edition.cnn.com/2012/02/17/us/us-nuclear-reactor-concerns/?hpt=us_c1
11 USA nuclear reactors may have unsafe cooling systems
Nuclear Regulatory Commission says accident models could be amiss, By Mike M. Ahlers, CNN February 18, 2012 — The models may underestimate how much nuclear fuel would heat up during system failures
The commission is asking 11 U.S. nuclear power plants for more information
There is no immediate threat to public safety
Washington — The Nuclear Regulatory Commission has asked 11 nuclear power plants for information about the computer models they use to test different accident scenarios, saying those models may underestimate how much nuclear fuel will heat up during cooling system
failures….
At issue is a phenomenon known as “thermal conductivity degradation,” or TCD, the NRC said. TCD refers to the fact that nuclear fuel loses its capacity to transfer heat as it ages.
The NRC said it is concerned that some computer models may not account for TCD. If the plants are not considering TCD, the possibility exists that fuel rods could heat up 100 degrees more than anticipated in an accident scenario, exceeding the 2,200-degree limit considered safe,the NRC said. That could damage the fuel rods’ outer layer, leading to
reactor damage, the NRC said……
The plants have until March 19 to provide the information to the NRC
staff. http://edition.cnn.com/2012/02/17/us/nuclear-accident-models/index.html
Call for wider evacuation zones around USA nuclear plants
“Pretending that radiation from an accident at Oyster Creek would not go beyond the 10-mile evacuation zone is a fantasy placing millions of people at risk,”
Nuclear Plant Watchdogs Call for Expansion of Evacuation Zone Around Oyster Creek, Berkely Patch, 16 Feb 12, NRC spokesman says current 10-mile evacuation zone is sufficient for public safety and health By Elaine Piniat Jersey Shore advocates and 37 clean energy groups have petitioned the Nuclear Regulatory Commission to expand emergency evacuation zones and improve emergency response planning around U.S. nuclear reactors, including the Oyster Creek Generating Station. Continue reading
Fukushima in danger of new big earthquakes

Big quake risk said greater at Fukushima Outcome Magazine, TOKYO, Feb. 14 (UPI) — The risk of strong earthquakes at the Fukushima nuclear plant increased after the magnitude-9 tremor that hit Japan last March, scientists report.
A study using data from more than 6,000 earthquakes shows the March 11, 2011, tremor caused a seismic fault close to the nuclear plant to reactivate, a release from the European Geosciences Union said Tuesday. “There are a few active faults in the nuclear power plant area, and our results show the existence of similar structural anomalies under both the Iwaki and the Fukushima Daiichi areas,” study leader Dapeng Zhao, a geophysics professor at Japan’s Tohoku University, said.
The number of earthquakes in Iwaki increased greatly after the March earthquake, he said. “Given that a large earthquake occurred in Iwaki not long ago, we think it is possible for a similarly strong earthquake to happen in Fukushima,” Zhao said…. http://outcomemag.com/world/2012/02/14/big-quake-risk-said-greater-at-fukushima/
USA taxpayers up for huge costs as NRC approves 2 new and unsafe nuclear reactors
The safety of the reactor design has been challenged over many years. An engineering study commissioned by Friends of the Earth and other groups opposed to the project identified seven key safety areas, including failure risks for the reactor containment, cooling functions and spent fuel pool integrity
Feds Approve Unsafe New Nuclear Reactors Requiring Billions Of Taxpayer Dollars ENews Park Forest, Washington, D.C.—(ENEWSPF)—February 14, 2012. Despite the opposition of its chair, the Nuclear Regulatory Commission last Thursday approved the first new construction of a new design of nuclear reactor since the Three Mile Island nuclear disaster in 1979. Friends of the Earth stated today that the decision to give the green light to building two nuclear reactors at Vogtle, Georgia raises fundamental safety and economic
concerns.
The NRC ruling, the first such approval in the U.S. in more than 30 years, will saddle Georgians with higher electricity rates and leave American taxpayers on the hook for billions of dollars — all for a dangerous energy source with a long history of construction delays, cost overruns and safety lapses. Continue reading
Palisades and Browns Ferry nuclear reactors rated at the bottom for safety
Michigan Nuclear Plant Downgraded Over Safety, WSJ, FEBRUARY 14, 2012, COVERT TOWNSHIP, Mich.—Federal regulators said Tuesday that safety violations at the Palisades nuclear-power plant in southwestern Michigan had led them to downgrade the plant to a status held by just two others in the U.S.
The Nuclear Regulatory Commission assigns the more than 100 nuclear reactors in the U.S. to one of five categories based on their safety performance. Most are in the top-performing group. Palisades was bumped to the No. 2 category last month and now will join two others
in the third category: the Perry Nuclear Power Plant’s Unit 1 generator near Cleveland and the Susquehanna Nuclear Power Plant’s Unit 1 generator in Berwick, Pa.
The only reactor that ranks lower is Browns Ferry Unit 1 near Athens, Ala., which is in the fourth category….. http://online.wsj.com/article/SB10001424052970204883304577223561511417868.html
15 tonnes of water hourly, as Fukushima nuclear reactor hots up again
Fukushima reactor heats up again, ABC News, By Mark Willacy in Fukushima The operator of the Fukushima nuclear plant has begun injecting more water into one of the reactors, after the core temperature rose above Japan’s safety limit.
A gauge inside Fukushima’s reactor number two showed the temperature rising to 82 degrees Celsius over the weekend, its highest level since the reactor was put into a state of cold shutdown two months ago. Operator TEPCO insists there has been no nuclear reaction and that the reactor can be controlled.
Responding to the increase, the operator began injecting 15 tonnes of water an hour into the reactor in a bid to get the temperature down. TEPCO says it has not detected any xenon gas, which is created when a
nuclear reaction has been triggered.
The company suspects that cooling water has not been flowing freely into the the number two reactor, causing the
Nuclear Regulatory Commission’s poor oversight of safety enforcement
US nuclear watchdog questions oversight of safety enforcement, msnbc.com, By M. Alex Johnson 13 Feb 12, The federal government’s nuclear watchdog has faulted the Nuclear Regulatory Commission for failing to follow through on safety agreements with nuclear facilities, saying its system for tracking corrective action raises questions about its oversight of nuclear safety and security. Continue reading
Thorium nuclear reactors – not all they’re cracked up to be
What you then get, as well as heat energy, radiation, and fission products from the Plutonium and Uranium, is U232. U232 (and its decay products) emit very hard gamma radiation.
will anyone really trust the nuclear lobby when it says ‘we have the answer’, as so often before?
Nuclear Problems, Environmental Research Web, 12 Feb 12,”……With uranium fired reactors out of favour after Fukushima, for the longer term, some in the nuclear lobby have been promoting thorium as an allegedly safer fuel- looking at molten flouride salt systems.
The Weinberg Foundation was launched last year to promote the Liquid Flouride Thorium Reactor (LFTR) Continue reading
Nuclear Regulatory Commission Chairman warns on safety factors for Vogtle new nuclear plant
Southern’s `Monumental Accomplishment’ Tempered by Fukushima, Bloomberg, By Brian Wingfield – Feb 9, 2012 The chief regulator’s dissent in a vote that approved the first U.S. permit in 34 years to build a nuclear reactor is fueling a debate over safety as the first anniversary of Japan’s nuclear disaster nears.
The U.S. Nuclear Regulatory Commission voted 4-1 yesterday to award Southern Co. (SO) of Atlanta a license to build two reactors at its Vogtle plant near Augusta, Georgia. The agency should have required the company to implement lessons from Japan’s nuclear crisis last year, said Chairman Gregory Jaczko, who opposed the license.
“Right now we know there are things that need to be fixed, things that need to be changed, or at least things that need to be analyzed,” Jaczko said yesterday in an interview at NRC headquarters in Rockville, Maryland. “For us to issue this license, and say ‘we’ll deal with them later,’ to me is kind of putting the cart before the horse.” Continue reading
Fukushima nuclear disaster is an ongoing emeergency
Harvey Wasserman, 10 Feb 12, … the biggest shock waves this week were caused by Tama University Professor Hiroshi Tasaka, a key advisor to Prime Minister Naoto Kan during the Fukushima disaster.
Warning that Fukushima is “far from over,” Tasaka said official assurances of the complex’s alleged safety were based on “groundless
optimism.” Tasaka cited more than 1500 fuel rods dangerously exposed to the open atmosphere at Unit Four alone. The waste problem has gone nationwide, he said in a newly published book, as “the storage capacities of the spent fuel pools at the nation’s nuclear power
plants are reaching their limits,”
Tasaka’s statements came as a new temperature spike unexpectedly stuck Fukushina Unit Two. For reasons not yet clear, heat releases in excess of 158 degrees Farenheit spewed from the core, prompting Tokyo Electric to pump in more water and boric acid meant to damp down an apparently on-going chain reaction. Prof. Tasaka and others warn that this in turn will contribute to spreading still more radiation into the water table and oceans.
With bitter debate raging in Japan, the US and elsewhere over the killing power of Fukushima’s emissions, the certification of a new US
reactor design may someday be remembered as a bizarre epitaph for the 20th century’s most expensive failed technology.
Without state ratepayers and federal taxpayers being forced to foot the bill, new reactor construction in the US is going nowhere.
And without a final resolution to the on-going horrors at Fukushima, the entire planet, from Tokyo to Alaska to Georgia and beyond, remains at serious radioactive risk.
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