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-- Japan's Tsunami 2011
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| Originally posted by Sly_Guy no, because you would have to suspend the radioactive material in mid air as you build around it. Meltdown occurs whenever the radioactive material in the core has broken free of it's controlled reaction rate and gives off heat and energy in excess of what was intended. The material comprising the core of the reactor, which is used to keep the fuel rods cool cannot keep up, and the fuel melts through it's housing. The only thing you can do is try to pump liquid over the top, of let the reaction run itself out. |
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| Originally posted by devnull i was watching Nat.Geo about 3 mile island and they said that once the core goes above 5000 degrees, there is no stopping of the meltdown. They said that even all the water in an ocean could cool the core back down. 3 mile island came pretty close to it. A core meltdown would burn thru everything in its path and would create a crater about 1/4 mile deep. |
TOKYO�Japanese engineers were forced on Monday to release radioactive water into the sea while resorting to desperate measures such as using bath salts to try to find the source of leaks at a crippled nuclear power complex hit by a tsunami on March 11.
Engineers also planned to build two giant �silt curtains� made of polyester fabric in the sea to hinder the spread of more contamination from the crippled Fukushima Daiichi plant, 240 kilometres north of Tokyo.
The plant operator released low-level radioactive seawater that had been used to cool overheated fuel rods after it ran out of storage capacity for more highly contaminated water, Chief Cabinet Secretary Yukio Edano said.
�We have instructed strict monitoring of the ocean to firmly grasp the impact on the environment,� said Edano.
Operator Tokyo Electric Power said it would release more than 10,000 tonnes of contaminated water that was about 100 times more radioactive than legal limits in order to free up storage capacity for more highly contaminated water.
�We are very sorry for this region and those involved,� a tearful TEPCO official told a news conference.
Engineers are still struggling to regain control of damaged reactors at the plant in the worst nuclear crisis since Chernobyl in 1986, with the government urging TEPCO to act faster to stop radiation spreading.
But it could take months to stem the leaks, warned one official, and even longer to regain control of the power station, damaged by last month�s quake and tsunami.
DISASTER MAY SEE YEN WEAKEN
The 9.0 magnitude quake and tsunami left nearly 28,000 people dead or missing and Japan�s northeast coast a splintered wreck. The world�s costliest natural disaster has hit economic production and left a damages bill which may top $300 billion.
�The damage from the nuclear crisis and the subsequent power shortage will last for several years,� said Eiji Hirano, former assistant governor of the Bank of Japan.
�There�s a strong chance Japan�s economy will contract in the current fiscal year,� he told Reuters in an interview.
Japan�s former currency czar Eisuke Sakakibara said the yen would weaken in coming months, possibly beyond 90 to the dollar, underlining expectations a near four-year rally in the currency may be over.
The yen traded at 84.05 per dollar on Monday.
The disaster initially saw the yen soar with speculation Japanese would repatriate funds for reconstruction, prompting the G7 intervention to knock it back.
�This atomic power issue is an incident which would result in depreciation of the exchange rate,� Sakakibara, a former senior bank official, told foreign correspondents in Tokyo.
Unpopular and under pressure to quit or call a snap poll before the disaster, Prime Minister Naoto Kan has been criticized for his management of the disaster in the world�s third largest economy.
In the face of Japan�s biggest crisis since World War Two, one newspaper poll said nearly two-thirds of voters wanted the government to form a coalition with the major opposition party and work together to recover from the natural disaster.
Japan�s two biggest parties may put aside bitter rivalry to join forces but partisan bickering could delay funding for massive reconstruction.
BATH SALTS, SEA CURTAIN
In their desperation to stop radioactive leaks, TEPCO engineers have used anything at hand.
At the weekend, they mixed sawdust and newspapers with polymers and cement in an unsuccessful attempt to seal a crack in a concrete pit at reactor No. 2.
On Monday, they resorted to powdered bath salts to produce a milky colour in water to help trace the source of the leak.
TEPCO said it was also planning to drape a curtain into the sea off the nuclear plant to try to prevent radioactive silt drifting out into the ocean.
The silt-blocking fence will take several days to prepare, said Hidehiko Nishiyama, deputy director-general of the Nuclear and Industrial Safety Agency.
The exact source of the radiation leaks remains a mystery, with NISA investigating a damaged embankment near a sluice gate at the No. 2 reactor and the possibility it may be seeping through a layer of small stones below a concrete pipe.
TEPCO said it would build tanks to hold contaminated seawater, with a total capacity equivalent of six Olympic swimming pools. It was also towing a floating tank, to arrive next week, and was negotiating the purchase of three more.
Radioactive iodine 4,800 times the legal limit was recorded in the sea off the plant last week. The contamination later fell to 11 times, but spiked to 630 times the legal limit on Saturday, said Japan�s Nuclear and Industry Safety Authority.
�We need to stop the spread of (contaminated water) into the ocean as soon as possible. With that strong determination, we are asking Tokyo Electric Power Co to act quickly,� said Edano.
�If the current situation continues for a long time, accumulating more radioactive substances, it will have a huge impact on the ocean.�
WORLD RADIATION FEARS CONTINUE
Small levels of radiation from the plant have been detected as far away as Europe and the United States and several countries have banned milk and produce from the vicinity.
Singapore extended a ban on Japanese food imports on Monday after detecting radiation in more fruit and vegetable imports. While Kan asked the European Union for a calm response to Japanese imports. The EU has urged radiation testing of Japanese food and feed imports.
After three weeks, many Japanese are angry the humanitarian disaster seems to have taken a back seat to the nuclear crisis.
More than 163,710 people are living in shelters, with more than 70,000 people evacuated from a 20-km no-go zone around the nuclear plant. Another 136,000 people living a further 10 km out have been told to leave or stay indoors.
Though criticized for his crisis management, voter support for Kan�s government rose to 31 per cent in a Yomiuri newspaper poll, from 24 per cent in a survey conducted before the quake.
Almost 70 per cent of respondents, however, believed Kan was not exercising leadership, with 19 per cent wanting him to step down.
SOFTBANK donates 10 Billion Yen
TEPCO officials should be fucking shot by now, they do nothing and continue dumping hazardous waste into sea and feed lies to population, while latter one might be ok considering the panic that might happen yet the former is inexcusable.
During the Chernobyl plant officials were struggling to source liquid nitrogen and deliver it to plant (to cool down) so they received a call from "above" saying that if they wouldn't take care of the problem all of them would be shot dead next day. I do not see anything moving in right direction until hard hand will come upon them. Call me insensitive to poor officials but i say Japanese population had enough of this shit, they will have to live with this for many more decades so the faster they bury this thing in millions of tons of concrete the better.
Not even gonna mention the impact on sea-fishing this nuclear fiasco will have in Asia and possibly even West Coast. Sushi industry is going down the drain as well, although we might not see impact for few years.
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| Originally posted by rulzz TEPCO officials should be fucking shot by now, they do nothing and continue dumping hazardous waste into sea and feed lies to population, while latter one might be ok considering the panic that might happen yet they former is inexcusable. |
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| Originally posted by rulzz TEPCO officials should be fucking shot by now, they do nothing and continue dumping hazardous waste into sea and feed lies to population, while latter one might be ok considering the panic that might happen yet they former is inexcusable. During the Chernobyl plant officials were struggling to source liquid nitrogen and deliver it to plant (to cool down) so they received a call from "above" saying that if they wouldn't take care of the problem all of them would be shot dead next day. I do not see anything moving in right direction until hard hand will come upon them. Call me insensitive to poor officials but i say Japanese population had enough of this shit, they will have to live with this for many more decades so the faster they bury this thing in millions of tons of concrete the better. Not even gonna mention the impact on sea-fishing this nuclear fiasco will have in Asia and possibly even West Coast. Sushi industry is going down the drain as well, although we might not see impact for few years. |
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| Originally posted by rulzz During the Chernobyl plant officials were struggling to source liquid nitrogen and deliver it to plant (to cool down) so they received a call from "above" saying that if they wouldn't take care of the problem all of them would be shot dead next day. |
There's fucking Green Peace when you need them?
Let's go save couple whales, yep it's a big deal.
Dumping tonnes of radioactive water in the ocean? Who cares, it's all good.
"Going to reactor? No, no, we're musicians"
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| Originally posted by FunkyCrew I wouldn't ^5 the Soviet officials in any way - they sent firefighters, militia and plant workes to shovel hazardous waste with nothing more then syrgical masks and firemen's gear. They pretty much just dumped bodies in there, and never told the nearby population about what's going on. So that was a bit of a poor example.. |
all those workers will be dead within few weeks/months, i don't think we will even find out about it.
I've had a big argument about it with funky crew and vdub and srussel, they claimed some weeks back that everyone is safe based on a website report. Right now as it seems there radiation levels within 10km are 100 times higher than normal level + radiation is being dumped in the ocean.
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| Originally posted by geroin all those workers will be dead within few weeks/months, i don't think we will even find out about it. I've had a big argument about it with funky crew and vdub and srussel, they claimed some weeks back that everyone is safe based on a website report. Right now as it seems there radiation levels within 10km are 100 times higher than normal level + radiation is being dumped in the ocean. |
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| Originally posted by FunkyCrew I wouldn't ^5 the Soviet officials in any way - they sent firefighters, militia and plant workes to shovel hazardous waste with nothing more then syrgical masks and firemen's gear. They pretty much just dumped bodies in there, and never told the nearby population about what's going on. So that was a bit of a poor example.. |
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| Originally posted by FunkyCrew our argument was not about radiation levels in the ocean - the discussion was during the time when all media outlets were going nuts that there will be big explosions more so, the report re: status of the nuclear reactors changes every day - I don't think you've been following what he's been writing? discussions about what was back 2 weeks ago are a bit irrelevent atm, since the radiation is being physically dumped into the sea, following the officials' orders |
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| Originally posted by geroin How is it irrelevant, wasn't i talking about the same shit? it is leaking everywhere, not just the ocean. media outlets were going crazy because of the reports of radiation. like i already said - Now radiation levels are 100 times higher normal levels in 10KM range, close to the plant it is 10000 times higher(according to official reports). You were saying there is nothing to worry about, what do you say now? |
TEPCO is wrong; regardless if it's a massive amount or one tiny drop of radioactive waste dumped into the sea, they should not be doing this at all.
I honestly don't trust any nuclear power / hydro companies anymore.
Respects & thank you to all the Fukushima workers for risking their lives to reslove this dangerous issue.
Japan nuclear plant plugs highly radioactive leak
April 6, 2011 00:04:00
Mari Yamaguchi
ASSOCIATED PRESS
TOKYO�Workers stopped a highly radioactive leak into the Pacific off Japan�s flooded nuclear complex Wednesday, but with the plant far from stabilized, engineers prepared an injection of nitrogen to deter any new hydrogen explosions.
Nitrogen can prevent highly combustible hydrogen from exploding � as it did three times at the compound in the early days of the crisis, set in motion March 11 when cooling systems were crippled by Japan�s 9.0-magnitude earthquake and tsunami.
Nuclear officials said there was no immediate threat of more explosions, and but the nitrogen plans were an indication of the serious remaining challenges in stabilizing reactors at the Fukushima Dai-ichi plant and halting the coastal radiation leaks that have cast a shadow on northeastern Japanese fisheries.
Nitrogen normally is present inside the containment that surrounds the reactor core.
Technicians will start pumping more in as early as Wednesday evening, said Junichi Matsumoto, a spokesman for the plant operator. They will start with Unit 1, where pressure and temperatures are highest.
�The nitrogen injection is being considered a precaution,� said spokesman Hidehiko Nishiyama of Japan�s Nuclear and Industrial Safety Agency.
Workers have suffered near-daily setbacks in their race to cool the plant�s reactors since they were slammed by the tsunami, which also destroyed hundreds of miles of coastline and killed as many as 25,000 people.
But there was a rare bit of good news Wednesday when workers finally halted a leak of highly contaminated water into the ocean that had raised concerns about the safety of seafood.
Officials had said the runoff would quickly dissipate in the vast Pacific, but the mere suggestion that fish from the country that gave the world sushi could be at any risk stirred worries throughout the fishing industry.
In the coastal town of Ofunato, Takeyoshi Chiba, who runs the town�s wholesale market, is warily watching the developments at the plant, about 200 kilometres down the coast.
�There is a chance that the water from Fukushima will come here,� he said, explaining that fishermen in the area still haven�t managed to get out to sea again, after the tsunami destroyed nearly all of their boats.
�If Tokyo decides to ban purchases from here, we�re out of business.�
After radiation in waters near the plant was measured at several million times the legal limit and elevated levels were found in some fish, the government on Monday set its first standard on acceptable levels of radiation in seafood.
�Right now, just because the leak has stopped, we are not relieved yet,� Chief Cabinet Secretary Yukio Edano said.
�We are checking whether the leak has completely stopped, or whether there may be other leaks.�
But the good news appeared to be holding Wednesday: By afternoon, radiation at a point 330 metres off the coast was 280 times the legal limit, down from a high of more than 4,000.
Stemming the leak of highly radioactive water is progress because it limits the contamination of the surrounding environment, but it does not directly indicate progress on their primary goal: cooling the reactors and bringing them under control.
That mission has been hampered by highly contaminated water that is pooling throughout the plant, making it difficult or impossible to access some areas. And, in fact, the plugging of the leak could exacerbate pooling.
The pools have been an unavoidable side-effect of a makeshift cooling method: pumping water into the reactors and letting it gush out wherever it can.
That messy process will continue until they can restore normal cooling systems � which recycle water, rather than spitting it out.
Getting rid of that pooling water has vexed TEPCO; it has ordered a floating storage facility and is also requesting a vessel that decontaminates water from Russia.
With those solutions not available for some time, the utility decided to take a drastic measure Monday: pumping three million gallons of less contaminated water into the sea to make room in a warehouse for the more highly radioactive water.
The warehouse is almost empty, and officials planned to check it thoroughly for any cracks before starting to fill it up again.
The building is not meant to hold water, but it also hasn�t leaked yet, so engineers decided it could make a safe receptacle.
�We must carefully check and repair the facility to make the water will not leak out and affect the environment,� Nishiyama said.
South Korea�s fear: Nuclear rain from Japan�s striken plant
April 7, 2011 00:04:00
ASSOCIATED PRESS
SEOUL, SOUTH KOREA�More than 100 South Korean schools have cancelled or shortened classes over fears that rain falling across the country may include radiation from Japan�s stricken nuclear plant.
The Education Office of Gyeonggi province says it allowed schools to decide whether to open Thursday.
The prime minister�s office says radiation levels in the rain are low and pose no health threat.
Still officials say that 126 schools in Gyeonggi province shut down and 43 others shortened class hours as a precaution. The province is near Seoul.
The Ministry of Education, Science and Technology says only a few schools outside Gyeonggi cancelled classes Thursday.
Nuclear safety experts has said that radiation leaking into the air and water from Japan�s crippled Fukushima Dai-ichi nuclear complex do not pose a health threat outside the evacuation zone around the plant, which now stands at 20 kilometres.
Recent progress at the plant � which was damaged by a March 11 tsunami � appears to have slowed the release of radiation into the ocean.
This week, technicians there plugged a crack that had been gushing contaminated water into the Pacific. Radiation levels in waters off the coast have fallen dramatically since then.
more shaking 
7.4 mag
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| Originally posted by rulzz more shaking 7.4 mag |
Jesus.
I also heard that some nuclear safety companies are changing the acceptable limit to what's 'safe' instead of making sure things are more secure and have more back ups in regards to the technology. Retarded!! It's probably all in the interests of $ rather than safety of the human populatgion.
NISA: Onagawa nuke plant in Miyagi-ken loses 2 of 3 external power grids after M7.4 quake.
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| Originally posted by rulzz NISA: Onagawa nuke plant in Miyagi-ken loses 2 of 3 external power grids after M7.4 quake. |
christ..
Crazy. Do you think there are more earthquakes happening these days or are we just hearing more about them?
There was a 6.5 in Mexico this morning.
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| Originally posted by Skipper Crazy. Do you think there are more earthquakes happening these days or are we just hearing more about them? There was a 6.5 in Mexico this morning. |
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