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3 Japan nuclear reactors had full meltdown, agency says (full?)
CNN ^ | 06/06/11

Posted on 06/06/2011 9:51:52 PM PDT by TigerLikesRooster

3 Japan nuclear reactors had full meltdown, agency says

Japan's Fukushima Daiichi nuclear power plant experienced full meltdowns at three reactors in the wake of an earthquake and tsunami in March, the country's Nuclear Emergency Response Headquarters said Monday.

The nuclear group's new evaluation, released Monday, goes further than previous statements in describing the extent of the damage caused by an earthquake and tsunami on March 11.

The announcement will not change plans for how to stabilize the Fukushima Daiichi plant, the agency said.

Reactors 1, 2 and 3 experienced a full meltdown, it said.

The plant's owner, Tokyo Electric Power Co., admitted last month that nuclear fuel rods in reactors 2 and 3 probably melted during the first week of the nuclear crisis.

(Excerpt) Read more at news.blogs.cnn.com ...


TOPICS: Foreign Affairs; Japan; News/Current Events
KEYWORDS: fukushima; meldown; radiation; reactor

1 posted on 06/06/2011 9:51:57 PM PDT by TigerLikesRooster
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To: TigerLikesRooster; sushiman; Ronin; AmericanInTokyo; gaijin; struggle; DTogo; GATOR NAVY; Iris7; ...

P!


2 posted on 06/06/2011 9:52:46 PM PDT by TigerLikesRooster (The way to crush the bourgeois is to grind them between the millstones of taxation and inflation)
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To: TigerLikesRooster

Can you add me to your pinglist please?

thanks -


3 posted on 06/06/2011 9:55:05 PM PDT by little jeremiah (Courage is not simply one of the virtues, but the form of every virtue at the testing point. CSLewis)
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To: TigerLikesRooster

but we were told it wad nothing, not a big deal. I dont undestand. You mean the japan reactor problem was really serious?


4 posted on 06/06/2011 10:03:13 PM PDT by BJungNan (Spend yesterday's money good, today's money ok. Never spend tomorrow's money)
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To: TigerLikesRooster

Did we not know it already, certain we did.


5 posted on 06/06/2011 10:03:42 PM PDT by Beowulf9
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To: TigerLikesRooster

“Japan’s Fukushima Daiichi nuclear power plant experienced full meltdowns at three reactors in the wake of an earthquake and tsunami in March, the country’s Nuclear Emergency Response Headquarters said Monday”

Well, obviously, the country’s Nuclear Emergency Response Headquarters is just ‘fear mongering’. /s


6 posted on 06/06/2011 10:35:23 PM PDT by ransomnote
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To: ransomnote
I feel really sorry for those living in 20~50km zone, who stayed(or should it be 20~80km?), believing that their gov knows what they are doing. These folks are in trouble.
7 posted on 06/06/2011 10:39:46 PM PDT by TigerLikesRooster (The way to crush the bourgeois is to grind them between the millstones of taxation and inflation)
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To: TigerLikesRooster

I agree. It was so disturbing to see the Japanese take a page from the Soviet playbook (e.g. the way they told the population ‘all is well’ while Chernobyl irradiated the town.) The Soviets ‘didn’t want to alarm’ the public so they let them hold outdoor May Day celebrations a few km from the smoldering reactor. Then they did the math and figured out that, in two weeks, the entire town’s population would be dead at the rate of irradiation they were experiencing. So they abruptly put people on buses, once again lying to them and telling them they could return in two weeks, even though the Soviets knew that the people could never return. The Soviets made it illegal to report any person’s death as radiation related for the first 3 years following Chernobyl. 1.6 million people were forced to continue living in contaminated zones because there was no place to relocate them to.
A few months ago, a rabid pro nuker pointed to an international study that indicated that what the Soviets called ‘mental illness’ was a bigger problem for those who went through Chernobyl and were living in contaminated zones than were the medical problems caused by radiation. This pro nuker was taunting me by saying the hysteria around radiation was more damaging to populations than was actual radiation. It seriously never occurred to him, or he would never admit to it, that the so called ‘mental illness’ was the hopelessness and despair of a population that, though already living under the oppression of communism, had come face to face with their government’s a)control over their survival b) complete betrayal and lying and c) dismissal of all responsibility or regard for their humanity.
You can’t force people to raise their children in radioactive contamination and ‘call it ice cream’ without shattering people’s hope for the future. I NEVER believed that Japan would follow any portion of that same path, until now. They continue to release ‘the truth’ months after decisions to protect human life can be made. They didn’t share projections that showed radioactive plume over Tokyo around March 15 etc. The lies, lies, lies. Bad enough that the Japanese have had the shattering heartbreak of the tsunami and earthquake - but their government/nuke industry is actively working against their attempts to protect themselves. Like that won’t break hearts along with destroying health?


8 posted on 06/06/2011 11:00:28 PM PDT by ransomnote
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To: TigerLikesRooster

If you are going to break bad news to the People, break it to them in increments. / sarc


9 posted on 06/06/2011 11:01:04 PM PDT by AmericanInTokyo (Hey! A brilliant idea! Let's all bloody ourselves w/ internecine GOP civil war so Obongo can win!)
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To: TigerLikesRooster

10 posted on 06/06/2011 11:01:53 PM PDT by garjog
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To: TigerLikesRooster

And if the fuel melts through the bottom of the pressure vessel and continues to melt downward until it hits the water table ... China Syndrome -> all the nuclear material gets blown into the atmosphere ~


11 posted on 06/06/2011 11:36:59 PM PDT by lwoodham
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To: Beowulf9

Previously, they just said that full meltdown at reactor #1 and partial meltdown at reactor #2 and #3. Now they say that all three were in full meltdown. Besides, this is now official government announcement, which gives added weight.


12 posted on 06/07/2011 1:10:57 AM PDT by TigerLikesRooster (The way to crush the bourgeois is to grind them between the millstones of taxation and inflation)
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To: TigerLikesRooster

http://ex-skf.blogspot.com/2011/06/fukushima-i-nuke-accident-japanese.html


13 posted on 06/07/2011 1:37:20 AM PDT by Razzz42
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To: TigerLikesRooster

I heard that #4 was the one with “MOX”, something that is worse than the others. Are they leaving #4 out of this assessment because they don’t yet want to admit that it is as bad?


14 posted on 06/07/2011 1:37:45 AM PDT by PastorBooks
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To: PastorBooks
I think Reactor #3 has Mox fuel, not #4. It melted through pressure vessel according to the latest report from Japan.
15 posted on 06/07/2011 1:48:05 AM PDT by TigerLikesRooster (The way to crush the bourgeois is to grind them between the millstones of taxation and inflation)
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To: TigerLikesRooster
http://www.yomiuri.co.jp/science/news/20110607-OYT1T00646.htm?from=top

核燃料、圧力容器貫通の可能性…政府が報告へ

福島原発

東京電力福島第一原子力発電所の事故について、政府が国際原子力機関(IAEA)に提出する報告書の全容が7日明らかになった。

 報告書は、破損した1~3号機の原子炉圧力容器の底部から溶融した核燃料が漏れ出し、格納容器内に堆積している可能性を指摘した。

 格納容器まで溶けた核燃料が落下する現象は「メルトスルー」(原子炉貫通)と呼ばれ、「メルトダウン」(炉心溶融)を上回る最悪の事象。これまで圧力容器底部で、制御棒の貫通部などが破損し、高濃度の放射性物質を含む汚染水が漏出したことは明らかになっていたが、政府が公式にメルトスルーの可能性を認めたのは初めて。

 また報告書は、原子力安全規制の行政組織が縦割りで、国民の安全を確保する責任が不明確だったと認め、原子力安全・保安院を経済産業省から独立させ、原子力安全委員会なども含めて、体制を抜本的に見直す方針なども打ち出した。

(2011年6月7日14時30分 読売新聞)

16 posted on 06/07/2011 1:51:54 AM PDT by TigerLikesRooster (The way to crush the bourgeois is to grind them between the millstones of taxation and inflation)
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To: TigerLikesRooster

during the first week? were there problems before the earthquake? why all the pretense? have the workers been able to contact their families yet? did they ever get enough lead blankets for everyone? is there still a press blackout on interviews with the workers?


17 posted on 06/07/2011 3:10:33 AM PDT by blueplum
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To: TigerLikesRooster

i want an explanation of the physics.

The fuel became liquid because the temp became too high.
It is not possible to cool it sufficiently for the fuel to re-solidify.
The fuel is still be consumed by nuclear reaction, releasing more energy and radiation (contained with the plant).

IF the reactors are encased in concrete a la Chernobyl, how long before all the fuel is consumed?


18 posted on 06/07/2011 4:13:55 AM PDT by campaignPete R-CT (Palin '12 begins in '11. In western New Hampshire pour moi.)
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To: TigerLikesRooster

In the US we have the “China Syndrome.”

What do they have in Japan, the “Falkland Syndrome?”


19 posted on 06/07/2011 4:24:28 AM PDT by Roccus
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To: TigerLikesRooster

Can this be right?
Because we had many ‘experts’ here on FR tell us how it wasn’t any worse than the sun....people were threatened, locked out of their accounts, insulted, and told they would be shot- for even talking about the facts of the event ....j

Right PaEngineer?


20 posted on 06/07/2011 4:26:00 AM PDT by Freddd (NoPA ngineers.)
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To: Freddd

Shhh!

Nothing to see. Move along. Eat more sushi. Don’t worry. Be happy. Rinse and repeat.


21 posted on 06/07/2011 7:31:50 AM PDT by bgill (Kenyan Parliament - how could a man born in Kenya who is not even a native American become the POTUS)
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To: TigerLikesRooster
Until the plants are in cold-shutdown, and until someone puts a scope inside each reactor vessel, it is pure speculation regarding total melt and pure speculation regarding reactor pressure vessel failure. That includes pure speculation by the managers and the PR team feeding the journalistic frenzy around this story.

Fuel cladding melts at a much lower temperature than the ceramic UO2. The effects being reported can result from fuel pellets scattered about the pipe systems.

At TMI-2, fuel pellets and fuel fragments were found in the emergency core cooling (ECCS) pipe systems that circulated the water coolant. At TMI-2, the pictures taken inside the vessel showed the pellets laying in the lower half of the core region (above the support plate) like rubble. At a BWR, reactor coolant and steam produced by the reactor is in the reactor building, auxiliary building, and turbine building. It should be no surprise that the ceramic fuel pellets are in all three buildings, with only one designed to mitigate the radiation from an accident.
22 posted on 06/12/2011 1:59:45 PM PDT by sefarkas (Why vote Democrat Lite?)
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