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[Various] Japan Nuclear Emergency - Continuous Coverage of Damage and Radiation Risks - Page 198  

post #1971 of 2836
Quote:
Originally Posted by Hyoketsu View Post
I just lold at reuters. There might be something to what they're posting, but the last post looked simply ridiculous:


Breaking News: EU's Energy Commissioner says the situation at the Japanese reactor is "effectively out of control"

EU Energy Commissioner Günther Oettinger: There could be catastrophic events within the coming hours

Oettinger's spokeswoman says he does not have any specific extra information on the situation in Japan.

(it interrupted an ongoing Q&A session)

"Dr. Danon, Dr. Caracappa, do you think the situation "is out of control"?"

"I cannot answer this question based on the information we have available."
"I don't think that I am in a position to judge that from where I am"

"Ok, Dr. Danon and Dr. Caracappa don't have enough information to know if the situation is out of control"

^ This is precisely why bigshot know-it-alls on the other side of the world should keep their mouths shut instead of spreading doom prophecies. There isn't enough friggin info to conclude anything at this point.
^ Agreed! Stupid idiots think they could do a better job in they were in the same situation. How do they know if they've never been in the situation before. And if they don't have all the information to make an assessment, SHUT UP!
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post #1972 of 2836
BBC News - Surprise 'critical' warning raises nuclear fears
http://www.bbc.co.uk/news/science-environment-12762608

Quote:
So why is it that the Tokyo Electric Power Company (Tepco) has warned: "The possibility of re-criticality is not zero"?

If you are in any doubt as to what this means, it is that in the company's view, it is possible that enough fissile uranium is present in enough density to form a critical mass in the cooling pond - meaning that a nuclear fission reaction could start in the building, outside the containment shield that surrounds the actual reactor.
post #1973 of 2836
Thread Starter 
OP Updated With New Information - More Editing to Follow In A Couple Hours

I don't usually post entire articles here, but I think people should read this entire article from the New York Times:

Several of the workers have likely been exposed to more than 250 mSv at this point so these people really are putting their lives on the line. I was watching CNN and BBC this morning and apparently many of the volunteers who have stayed are doing so because they've found out that their families were wiped out by the tsunami and literally have nothing to return to at this point.

Last Defense at Troubled Reactors: 50 Japanese Workers
By KEITH BRADSHER and HIROKO TABUCHI

A small crew of technicians, braving radiation and fire, became the only people remaining at the Fukushima Daiichi Nuclear Power Station on Tuesday — and perhaps Japan’s last chance of preventing a broader nuclear catastrophe.

They crawl through labyrinths of equipment in utter darkness pierced only by their flashlights, listening for periodic explosions as hydrogen gas escaping from crippled reactors ignites on contact with air.

They breathe through uncomfortable respirators or carry heavy oxygen tanks on their backs. They wear white, full-body jumpsuits with snug-fitting hoods that provide scant protection from the invisible radiation sleeting through their bodies.

They are the faceless 50, the unnamed operators who stayed behind. They have volunteered, or been assigned, to pump seawater on dangerously exposed nuclear fuel, already thought to be partly melting and spewing radioactive material, to prevent full meltdowns that could throw thousands of tons of radioactive dust high into the air and imperil millions of their compatriots.

The workers — and an increasing proportion of soldiers — struggled on Tuesday and Wednesday to keep hundreds of gallons of seawater a minute flowing through temporary fire pumps into the three stricken reactors, Nos. 1, 2 and 3. Among the many problems that officials acknowledged on Wednesday were what appeared to be yet another fire at the plant and indications that the containment vessel surrounding a reactor may have ruptured. That reactor, No. 3, appeared to be releasing radioactive steam.

The reactor’s operator, Tokyo Electric Power Company, said it had been able to double the number of people at the plant to 100 as a result of falling radiation levels, but that was before the sudden release of radioactive vapor. It was not immediately clear how many of the workers and soldiers at the plant might have evacuated after that.

Those remaining are being asked to make escalating — and perhaps existential — sacrifices that so far are being only implicitly acknowledged: Japan’s Health Ministry said Tuesday it was raising the legal limit on the amount of radiation to which each worker could be exposed, to 250 millisieverts from 100 millisieverts, five times the maximum exposure permitted for American nuclear plant workers.

The change means that workers can now remain on site longer, the ministry said. “It would be unthinkable to raise it further than that, considering the health of the workers,” the health minister, Yoko Komiyama, said at a news conference. There was also a suggestion on Wednesday that more workers may be brought to help save the power station.

Tokyo Electric Power, the plant’s operator, has said almost nothing at all about the workers, including how long a worker is expected to endure exposure.

The few details Tokyo Electric has made available paint a dire picture. Five workers have died since the quake and 22 more have been injured for various reasons, while two are missing. One worker was hospitalized after suddenly grasping his chest and finding himself unable to stand, and another needed treatment after receiving a blast of radiation near a damaged reactor. Eleven workers were injured in a hydrogen explosion at reactor No. 3.

Nuclear reactor operators say that their profession is typified by the same kind of esprit de corps found among firefighters and elite military units. Lunchroom conversations at reactors frequently turn to what operators would do in a severe emergency.

The consensus is always that they would warn their families to flee before staying at their posts to the end, said Michael Friedlander, a former senior operator at three American power plants for a total of 13 years.

“You’re certainly worried about the health and safety of your family, but you have an obligation to stay at the facility,” he said. “There is a sense of loyalty and camaraderie when you’ve trained with guys, you’ve done shifts with them for years.”

Adding to this natural bonding, jobs in Japan confer identity, command loyalty and inspire a particularly fervent kind of dedication. Economic straits have chipped away at the hallowed idea of lifetime employment for many Japanese, but the workplace remains a potent source of community. Mr. Friedlander said that he had no doubt that in an identical accident in the United States, 50 volunteers could be found to stay behind after everyone else evacuated from an extremely hazardous environment. But Japanese are raised to believe that individuals sacrifice for the good of the group.

The reactor operators face extraordinary risks. Tokyo Electric evacuated 750 emergency staff members from the stricken plant on Tuesday, leaving only about 50, when radiation levels soared. By comparison, standard staffing levels at the three active General Electric reactors on the site would be 10 to 12 people apiece including supervisors — an indication that the small crew left behind is barely larger than the contingent on duty on a quiet day.

Daiichi is not synonymous with Chernobyl in terms of the severity of contamination. The Ukrainian reactor blew up and spewed huge amounts of radiation for 10 days in 1986. But workers at the plants have a bond.

Among plant employees and firefighters at Chernobyl, many volunteered to try to tame, and then entomb, the burning reactor — although it is not clear that all were told the truth about the risks. Within three months, 28 of them died from radiation exposure. At least 19 of them were killed by infections that resulted from having large areas of their skin burned off by radiation, according to a recent report by a United Nations scientific committee. And 106 others developed radiation sickness, with nausea, vomiting, diarrhea and dropping blood counts that left them highly vulnerable to infections.

The people who had suffered radiation sickness developed other problems later, according to the report: cataracts, severe scarring from the radiation burns to their skin and an increased number of deaths from leukemia and other blood cancers.

Some of those Chernobyl workers were exposed to levels of radiation far beyond what has been measured to date at Daiichi — especially helicopter pilots who flew through radiation-laden smoke spewing from the reactor to drop fire-extinguishing chemicals on it.

Radiation close to the reactors was reported to reach 400 millisieverts per hour on Tuesday after a blast inside reactor No. 2 and fire at reactor No. 4, but has since dropped back to as low as 0.6 millisieverts at the plant gate. Tokyo Electric and Japanese regulators have not released any statistics on radiation levels inside the containment buildings where engineers are desperately trying to fix electrical systems, pumps and other gear wrecked by Friday’s earthquake and tsunami.

But nuclear experts said that indoor radiation levels were likely to be higher because the containment buildings were probably still preventing most radiation from leaving the plant.

The site is now so contaminated with radiation, experts say, that it has become difficult for employees to work near the reactors for extended periods of time. According to one expert’s account of nuclear emergency procedures, workers would be cycled in and out of the worst-hit parts of the plant.

In some cases, when dealing with a task in a highly radioactive area of the plant, workers might line up and handle the task only for minutes at a time before passing off to the next worker, said Katsuhiko Ishibashi, a former professor in the Research Center for Urban Safety and Security at Kobe University.

Tokyo Electric has refused to release the names or any other information about the 50 workers who stayed behind, nor have utility executives said anything about how they are being relieved as they become tired or ill.

Some of those battling flames and spraying water at reactors at Daiichi are members of Japan’s Self-Defense Force, police officers or firefighters.

Defense Minister Toshimi Kitazawa said Tuesday that Self-Defense Force soldiers might be called on to fly the helicopters Tokyo Electric may use to spray water onto the overheating used fuel storage pool at reactor No. 4. The same day, however, members of Japan’s nuclear watchdog group, who had been stationed about three miles from the plant, were moved to a site 18 miles away. (The authorities later said that using helicopters to put spray water on reactor No. 4 might not be feasible.) If the plant operator is limiting the exposure of each worker at Daiichi — and calling on hundreds of volunteers to make up the 50 on site at any given time — then Chernobyl may offer some consolation.

To clean up the Chernobyl site after the accident, the Soviet Union conscripted workers in proportion to the size of each of its republics, and developed a system to limit their exposure.

“They sent up to 600,000 people in to clean up the radioactive debris around the plant and build a sarcophagus,” said Dr. John Boice, an author of the study, a professor of medicine at Vanderbilt and the scientific director of the International Epidemiology Institute in Rockvillle, Md. The workers were sent into contaminated zones for limited periods.
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post #1974 of 2836
I was wondering how many if these 50 had lost there families. Truly sad in every since. These people staying are heroes.
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post #1975 of 2836
This below is very sad knowing your Family is all dead so you decide to stay behind. Try & fix the issues where you might die anyways from being exposed. I cant imagine what is going through the mind of the people who stayed.

many of the volunteers who have stayed are doing so because they've found out that their families were wiped out by the tsunami and literally have nothing to return to at this point.
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post #1976 of 2836
damn
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post #1977 of 2836
U.S. to fly spy plane over Fukushima nuclear plant for closer look - Kyodo

Looks like some light might finally be shed on the situation in the ponds.
     
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post #1978 of 2836
Im posting this cause the link above doesnt work so I figured I will just post what is on the Page itself

Quote:
U.S. to fly spy plane over Fukushima nuclear plant for closer look

TOKYO, March 17, Kyodo

The U.S. military will operate a Global Hawk unmanned high-altitude reconnaissance aircraft over a stricken nuclear power plant in Fukushima Prefecture, possibly on Thursday, to take a closer look at its troubled reactors, a Japanese government source said Wednesday.

Photographs taken by the plane equipped with infrared sensors could provide a useful clue to what is occurring inside the reactor buildings, around which high-level radiation has been detected.

The planned mission comes as the Japanese government appears unable to contain the crisis days after the coastal nuclear plant was struck by a magnitude 9.0 earthquake and tsunami.

It would represent a deepening of Japanese-U.S. cooperation in coping with the escalating crisis, with the U.S. military having already provided logistical transportation, and search and rescue efforts in the wake of the disaster that hit northeastern Japan.

==Kyodo
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post #1979 of 2836
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post #1980 of 2836
I really wish people would stop calling these workers "heroes". They don't really have a choice. they would be ostracized by their peers and families if they abandoned their team and shamed out of the community.

they are not heroes. they are not brave. they are martyrs and they don't have a choice.
Edited by aweir - 3/16/11 at 9:43am
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