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Reactor meltdown possible in Japan.


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ok live news conference

#3 reactor uses a different cooling system then number 1 and 2

still can;t get power to it.......etc but can use low pressure (something else)

people already evacuated becuase of previuos issues at 1...

some things not going well..had to backtrack

info getting lost in translation....

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0106: The director general of the UN nuclear watchdog (IAEA), Yukiya Amano, says he hopes the actions taken by the Japanese authorities at the power plant will be successful: "The IAEA was informed by the Japanese authorities that the explosion occurred outside the primary containment vessel at unit one and the integrity of that vessel is confirmed. The IAEA has been informed that sea water with boron is being injected into the vessel as a counter-measure to prevent possible damage to the core. I hope that the sea water will be injected successfully and that the safety of unit one will be established as soon as possible."

That doesn't sound good.

About a hour ago they announced what appears to be a 'successful' procedure...

Japan's deputy secretary general, Yukio Edano, saying that fuel rods at TEPCO Fukushima nuclear plant No. 1 reactor now covered with water

Now the only thing that hasn't been mentioned is how long were the fuel rods uncovered.

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It appears that as the level of coolant in the reactor vessel lowered, a portion of the top of the uranium fuel rods was exposed. This may have caused zirconium cladding of the fuel rods to react with water to create hydrogen. This hydrogen was vented, then somehow ignited, causing the explosion.

Jeebus. This reads like the sort of faulty thinking that made TMI worse than it needed to be.

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ok news conference

#3 reactor uses a different cooling system then number 1 and 2

still can;t get power to it.......etc but can use low pressure (something else)

people already evacuated becuase of previuos issues at 1...

some things not going well..had to backtrack

info getting lost in translation....

Yeah I heard that too. My take is that they can use a fire extinguishing system (low pressure system) or something as coolant until they get high pressure system back up? He basically said they don't know if they have power back to the system yet but it's ongoing.

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About a hour ago they announced what appears to be a 'successful' procedure...

Japan's deputy secretary general, Yukio Edano, saying that fuel rods at TEPCO Fukushima nuclear plant No. 1 reactor now covered with water

Now the only thing that hasn't been mentioned is how long were the fuel rods uncovered.

0115: Reporting live from Tokyo, the BBC's Chris Hogg says nuclear safety has always been a sensitive issue in a country so prone to earthquakes and the government is anxious not to cause unnecessary panic.

So what might they be hiding?

BBC

http://www.bbc.co.uk/news/world-middle-east-12307698

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0115: Reporting live from Tokyo, the BBC's Chris Hogg says nuclear safety has always been a sensitive issue in a country so prone to earthquakes and the government is anxious not to cause unnecessary panic.

So what might they be hiding?

What do you think?

This is a country that was willing to let every city burn to the ground and have their women and children fight to the death with spears.

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About a hour ago they announced what appears to be a 'successful' procedure...

Japan's deputy secretary general, Yukio Edano, saying that fuel rods at TEPCO Fukushima nuclear plant No. 1 reactor now covered with water

Now the only thing that hasn't been mentioned is how long were the fuel rods uncovered.

You're talking about reactor #1. There is a problem with another reactor.

http://www.cnn.com/2011/WORLD/asiapcf/03/12/japan.quake/index.html

March 12, 2011 8:11 p.m. EST

Shirakawa, Japan (CNN) -- A meltdown may be occurring at one of the reactors at a damaged nuclear power plant in northeast Japan, a government official said Sunday morning, sparking fears of a widespread release of radioactive material at a time when rescuers are frantically scrambling to find survivors from the country's strongest-ever earthquake.

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You're talking about reactor #1. There is a problem with another reactor.

http://www.cnn.com/2...uake/index.html

March 12, 2011 8:11 p.m. EST

Shirakawa, Japan (CNN) -- A meltdown may be occurring at one of the reactors at a damaged nuclear power plant in northeast Japan, a government official said Sunday morning, sparking fears of a widespread release of radioactive material at a time when rescuers are frantically scrambling to find survivors from the country's strongest-ever earthquake.

that is #1 they are referring too.....

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What do you think?

This is a country that was willing to let every city burn to the ground and have their women and children fight to the death with spears.

Come now, do you really think our government would be any more open than the Japanese about this?

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0115: Reporting live from Tokyo, the BBC's Chris Hogg says nuclear safety has always been a sensitive issue in a country so prone to earthquakes and the government is anxious not to cause unnecessary panic.

So what might they be hiding?

I think in a relatively uneventful situation as with problems in the past they were probably less than forthcoming.

In this case I just have a hard time believing that they would be intentionally misleading or withholding significant information, though at times you do begin to wonder. IMO it's just the scale of the problem they are dealing with and how fluid the event is.

They do have a wide evac zone already in place....

No doubt we will learn of behind the scene stuff at a later date.

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Well, you did kinda imply something exceptional about the government there with your comment about letting their women and children fight with spears while every city burned to the ground... :whistle:

They're just more open about treachery than we are I suppose.

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I'm not sure what the 'legal limit' is but Kyodo is reporting:

http://english.kyodonews.jp/

BREAKING NEWS: Radiation surpasses legal limit in Fukushima No. 1 plant premises: TEPCO

Well the NRC sets a US limit of 5 REM/yr. for radiation workers....(at least that's what it was when I worked at a plant some 13 years ago}...and most plants set the limit at 4 REM/yr.....but not sure if that is international.

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0152: Yaroslav Shtrombakh, a Russian nuclear expert, has told the Associated Press that it is unlikely that the Japanese plant will suffer a meltdown like the one in 1986 at Chernobyl, when a reactor exploded and sent a cloud of radiation over much of Europe. That reactor, unlike the reactors at Fukushima, was not housed in a sealed container.

BBC

http://www.bbc.co.uk/news/world-middle-east-12307698

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Is it possible that America can come in and fix this?

I read a report earlier that we sent a couple of nuclear specialists or engineers or something over there. I'm sure Japan has top notch nuclear engineers though. They probably have other nuclear countries helping as well.

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0152: Yaroslav Shtrombakh, a Russian nuclear expert, has told the Associated Press that it is unlikely that the Japanese plant will suffer a meltdown like the one in 1986 at Chernobyl, when a reactor exploded and sent a cloud of radiation over much of Europe. That reactor, unlike the reactors at Fukushima, was not housed in a sealed container.

I don't think the Russians have much credibility here. Just sayn...

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This is probably in direct relation to the venting that is occurring on the #3 reactor....

TEPCO saying that rise in radiation level above limit at Fukushima Daiichi nuclear plant not an immediate threat to people

Just a future threat?

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