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03-15-2011 , 11:31 AM

#751

darthrob64

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Join Date: Apr 2004 Posts: 8,534

Quote:

Originally Posted by kimoser22

Supposedly they are still having trouble getting seawater in to unit two and three...

Per Reuters

to add to this:

12.55pm: The Kyodo news agency has a very useful update on the status, as of Tuesday evening in Japan, of each of the six reactors at the Fukushima No. 1 nuclear power plant and the four reactors at the Fukushima No. 2 plant:

Quote:

Fukushima No. 1

Reactor No. 1 - Cooling failure, partial melting of core, vapor vented, hydrogen explosion, seawater pumped in.

Reactor No. 2 - Cooling failure, seawater pumped in, fuel rods fully exposed temporarily, damage to containment system, potential meltdown feared.

Reactor No. 3 - Cooling failure, partial melting of core feared, vapor vented, seawater pumped in, hydrogen explosion, high-level radiation measured nearby.

Reactor No. 4 - Under maintenance when quake struck, fire caused possibly by hydrogen explosion at pool holding spent fuel rods, pool water levels feared receding.

Reactor No. 5 - Under maintenance when quake struck.

Reactor No. 6 - Under maintenance when quake struck.

Fukushima No. 2

Reactor No. 1 - Cooling failure, then cold shutdown.

Reactor No. 2 - Cooling failure, then cold shutdown.

Reactor No. 3 - Cold shutdown.

Reactor No. 4 - Cooling failure, then cold shutdown.

03-15-2011 , 11:45 AM

#752

will1530

self-banned

Join Date: May 2009 Posts: 5,773

Quote:

The level of radioactivity at the Fukushima Daiichi nuclear power plant has been decreasing, according to the International Atomic Energy Agency.

At 8 p.m. EDT March 15, a dose rate of 1190 millirem per hour was observed. Six hours later, the dose rate was 60 millirem per hour, IAEA said.

Those are at the main gate of the facility

Last edited by will1530; 03-15-2011 at 12:07 PM.

03-15-2011 , 11:50 AM

#753

SenorKeeed

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Join Date: Jul 2006 Posts: 37,478

Quote:

Originally Posted by Borodog

So much for "There's no graphite so it can't catch fire."

Well to be fair to will he said that there was no way there was going to be an uncontrollable fire at the site that would release large amounts of radiation into the air, not that a fire at the site was impossible. Just because there was a fire that was controlled and did not appear to release large amounts of radiation into the air does not mean will's original assessment was wrong.

03-15-2011 , 11:59 AM

#754

will1530

self-banned

Join Date: May 2009 Posts: 5,773

The latest statement from the IAEA I'll bold the important parts

Quote:

The IAEA Incident and Emergency Centre (IEC) continues to monitor the status of the nuclear power plants in Japan that were affected by the devastating earthquake and consequent tsunami.

All units at the Fukushima Daini, Onagawa, and Tokai nuclear power plants are in a safe and stable condition (i.e. cold shutdown).

The IAEA remains concerned over the status of the Fukushima Daiichi nuclear power plant, where sea water injections to cool the reactors in units 1, 2 and 3 are continuing. Attempts to return power to the entire Daiichi site are also continuing.

After explosions at both units 1 and 3, the primary containment vessels of both units are reported to be intact. However, the explosion that occurred at 04:25 UTC on 14 March at the Fukushima Daiichi unit 2 may have affected the integrity of its primary containment vessel. All three explosions were due to an accumulation of hydrogen gas.

A fire at unit 4 occurred on 14 March 23:54 UTC and lasted two hours. The IAEA is seeking clarification on the nature and consequences of the fire.

The IAEA continues to seek details about the status of all workers, reactors and spent fuel at the Fukushima Daiichi plant.

An evacuation of the population from the 20-kilometre zone around Fukushima Daiichi is in effect. The Japanese have advised that people within a 30-km radius shall take shelter indoors. Iodine tablets have been distributed to evacuation centres but no decision has yet been taken on their administration.

A 30-kilometre no-fly zone has been established around the Daiichi plant. Normal civil aviation beyond this zone remains uninterrupted. The Japan Coast Guard established evacuation warnings within 10 kilometres of Fukushima Daiichi and 3 kilometres of Fukushima Daini.

The IAEA and several other UN organizations held a meeting at 11:00 UTC today to discuss recent developments and coordinate activities related to consequences of the earthquake and tsunami. The meeting was called under the framework of the Joint Radiation Emergency Management Plan of the International Organizations, and this group expects to work closely together in the days ahead.

-Seawater injection continues to all three reactors.
-We don't know if containment has been breached in #2 plant
-We don't know what caused the fire in #4, and we don't know the full effects of the fire

03-15-2011 , 12:02 PM

#755

O.A.F.K.1.1

Ted Patrick

Join Date: Dec 2007 Posts: 27,951

Quote:

Originally Posted by mjkidd

This fire led to the biggest release of radiation so far, lets hope there are no more water fires.

03-15-2011 , 12:09 PM

#756

will1530

self-banned

Join Date: May 2009 Posts: 5,773

Quote:

Originally Posted by O.A.F.K.1.1

This fire led to the biggest release of radiation so far, lets hope there are no more water fires.

Let's get over the water fire nonsense please. It's not helpfull to the discussion. It's rather obvious water didn't catch fire. It's also obvious Uranium oxide didn't catch fire (it's a ceramic).

03-15-2011 , 12:11 PM

#757

SenorKeeed

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Join Date: Jul 2006 Posts: 37,478

I understand that but the amount released was still not large in the context of will's original statement.

03-15-2011 , 12:12 PM

#758

O.A.F.K.1.1

Ted Patrick

Join Date: Dec 2007 Posts: 27,951

Quote:

Originally Posted by will1530

Let's get over the water fire nonsense please. It's not helpfull to the discussion. It's rather obvious water didn't catch fire. It's also obvious Uranium oxide didn't catch fire (it's a ceramic).

I think it is extremely helpful and insightful, yes it is obvious sarcasm, but it is being used to illustrate a point.

The fact that the biggest release of radiation has come from storage used for old fuel rods, said storage being seemingly less than ideal considered the measures used for the reactors themselves.

03-15-2011 , 12:14 PM

#759

BASaint

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If everything goes to plan wrt the nuclear plant from now on, is the death toll going to be 0?

03-15-2011 , 12:15 PM

#760

will1530

self-banned

Join Date: May 2009 Posts: 5,773

Quote:

Originally Posted by O.A.F.K.1.1

The two don't go together well

03-15-2011 , 12:16 PM

#761

O.A.F.K.1.1

Ted Patrick

Join Date: Dec 2007 Posts: 27,951

Quote:

A 1997 study by the Brookhaven National Laboratory on Long Island described a worst-case disaster from uncovered spent fuel in a reactor cooling pool. It estimated 100 quick deaths would occur within a range of 500 miles and 138,000 eventual deaths.

The study also found that land over 2,170 miles would be contaminated and damages would hit $546 billion.

http://www.nytimes.com/2011/03/16/wo...fuel.html?_r=2

Lets really hope there are no more water fires.

Hint to nuclear industry, design better.

03-15-2011 , 12:17 PM

#762

SenorKeeed

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Join Date: Jul 2006 Posts: 37,478

I read a few days ago that at least one plant worker has died. And I don't think you can assume the firefighters who entered unit four are safe from radiation sickness.

03-15-2011 , 12:17 PM

#763

O.A.F.K.1.1

Ted Patrick

Join Date: Dec 2007 Posts: 27,951

Quote:

Originally Posted by will1530

The two don't go together well

Well thats like your opinion man.

03-15-2011 , 12:18 PM

#764

BASaint

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Quote:

Originally Posted by mjkidd

I read a few days ago that at least one plant worker has died. And I don't think you can assume the firefighters who entered unit four are safe from radiation sickness.

ok, what did the plant worker die of? was it radiation related or was he caught in an explosion (i assume the latter)

03-15-2011 , 12:19 PM

#765

Borodog

Enemy of the State

Join Date: Jan 2004 Posts: 25,491

Crane accident.

03-15-2011 , 12:21 PM

#766

BASaint

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ok ty.

strange that there seems to have been so many basic errors during the emergency procuedure. Stuff like turning off the air flow accidently shouldn't ever happen

03-15-2011 , 12:22 PM

#767

O.A.F.K.1.1

Ted Patrick

Join Date: Dec 2007 Posts: 27,951

Quote:

Originally Posted by BASaint

ok, what did the plant worker die of? was it radiation related or was he caught in an explosion (i assume the latter)

Distinction is mostly irrelevant, he died due to the chain of circumstances brought about by the plants mal-function.

Quote:

One dead in crane accident at Japan nuke plant

VIENNA - ONE person was killed and four injured in a crane accident at a quake-hit nuclear power station in Japan, and four others were injured in a blast at another stricken plant nearby, the IAEA said.

The UN's nuclear watchdog said it had been informed by Japanese authorities that the worker was killed and four others injured in a 'crane operation accident' at Fukushima No. 2 power plant on Japan's east coast.

The agency said that at Fukushima No. 1 power plant, which suffered an explosion on Saturday a day after the massive quake, and where authorities are battling a feared meltdown of two reactors, eight workers had been affected.

'Four workers were injured by the explosion at the Unit 1 reactor, and there are three other reported injuries in other incidents,' the IAEA said on its website, citing Japanese authorities.

'In addition, one worker was exposed to higher-than-normal radiation levels that fall below the IAEA guidance for emergency situations,' it said, without giving further details.

About 200,000 people have been evacuated from residential areas around the Fukushima No. 1 plant and No. 2 plant, 250 kilometres (120 miles) north of Tokyo. -- AFP

03-15-2011 , 12:25 PM

#768

iron81

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Quote:

Originally Posted by O.A.F.K.1.1

Hint to nuclear industry, design better.

They can't.

These pools exist at most plants around the world because there is no place to permanently dispose of the waste. In the US, all the waste that was ever generated a a plant is stored on site. We spent 20 years trying to build a containment facility in Nevada but that was shut down by the Obama Admin.

The sick thing is, this accident will make it harder to build a containment facility even though a facility would have made the #4 issue much less worrisome.

03-15-2011 , 12:29 PM

#769

Gullanian

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Lol so obama just shut it down for no reason whatsoever?

03-15-2011 , 12:31 PM

#770

BASaint

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ty for link. The distinction seems important to me because if people are getting radiation sickness/dying from rad related issues then it seems much more likely that the authorities are obfusticating (or just misjudging) the true health risks of the leaks thus far. A more 'mundane', accident such as this was, is less worrisome imo.

I'm assuming that no one would be knowingly sent into a situation where they are expected to die from radiation complications, so if someone does, then uh oh.

03-15-2011 , 12:32 PM

#771

iron81

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No, he shut it down because the nearby residents (Las Vegas is about 100 miles away) had ridiculous concerns about getting contaminated. Also, the Senate Majority Leader is from Nevada.

This is close to the worst thing Obama has done in office.

03-15-2011 , 12:34 PM

#772

SenorKeeed

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Join Date: Jul 2006 Posts: 37,478

Quote:

Originally Posted by iron81

This isn't entirely true...freshly spent fuel would still be cooled in the pools for years on site before it is sent elsewhere.

03-15-2011 , 12:34 PM

#773

Gullanian

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Seems like a reasonable thing to do and a reasonable request from residents.

03-15-2011 , 12:34 PM

#774

rjoefish

Got Out the Vote

Join Date: Feb 2006 Posts: 31,086

Quote:

Originally Posted by Gullanian

Lol so obama just shut it down for no reason whatsoever?

Quick answer, no.

03-15-2011 , 12:35 PM

#775

BASaint

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Quote:

Originally Posted by iron81

If this is true then it sucks. Public misinformation about the nuclear boogeyman driving policy.

ugh.

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