Tag Archive: Water pollution


 

File:Shinzo Abe cropped.JPG

Shinzo Abe

 Author  :  U.S. federal government

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The Japan Times

Fukushima No. 1 boss admits plant doesn’t have complete control over water problems

by Yuka Obayashi

Reuters

The manager of the Fukushima No. 1 nuclear power plant has admitted to embarrassment that repeated efforts have failed to bring under control the problem of radioactive water, eight months after Prime Minister Shinzo Abe told the world the matter had been resolved.

Tokyo Electric Power Co., the plant’s operator, has been fighting a daily battle against contaminated water since Fukushima No. 1 was wrecked by the March 2011 earthquake and tsunami.

Abe’s government pledged half a billion dollars last year to tackle the issue, but progress has been limited.

“It’s embarrassing to admit, but there are certain parts of the site where we don’t have full control,” Akira Ono told reporters touring the plant last week.

He was referring to the latest blunder at the plant: channeling contaminated water into the wrong building.

Ono also acknowledged that many difficulties may have been rooted in Tepco’s focus on speed since the 2011 disaster.

“It may sound odd, but this is the bill we have to pay for what we have done in the past three years,” he said.

“But we were pressed to build tanks in a rush and may have not paid enough attention to quality. We need to improve quality from here.”

The Fukushima No. 1 plant, some 220 km northeast of Tokyo, suffered three reactor core meltdowns in the world’s worst nuclear disaster since Chernobyl in 1986.

The issue of contaminated water is at the core of the clean-up. Japan’s nuclear regulator and the International Atomic Energy Agency say a new controlled release into the sea of contaminated water may be needed to ease stretched capacity as the plant runs out of storage space.

But this is predicated on the state-of-the-art ALPS (Advanced Liquid Processing System) project, which removes the most dangerous nuclides, becoming fully operational. The system has functioned only during periodic tests.

As Ono spoke, workers in white protective suits and masks were building new giant tanks to contain the contaminated water — on land that was once covered in trees and grass.

A cluster of cherry trees is in bloom amid the bustle of trucks and tractors at work as the 1,000 tanks already in place approach capacity. Insulation-clad pipes lie on a hill pending installation for funneling water to the sea.

“We need to improve the quality of the tanks and other facilities so that they can survive for the next 30 to 40 years of our decommission period,” Ono said, a stark acknowledgement that the problem is long-term.

Last September, Abe told Olympic dignitaries in Buenos Aires in an address that helped Tokyo win the 2020 Games: “Let me assure you the situation is under control.”

Tepco had pledged to have treated all contaminated water by March 2015, but said this week that was a “tough goal.”

 

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The Japan Times

ALPS unit hit by toxic water overflow

Around 1.1 tons of highly radioactive water overflowed from a waste container at the Fukushima No. 1 nuclear complex while the experimental ALPS radiation-filtering system was being cleaned, Tokyo Electric Power Co. has reported.

The overflow at the trouble-plagued water treatment system was noticed at about 12:20 p.m. Wednesday, and no one was contaminated, Tepco said. The water was retained by a barrier and inside the building where the Advanced Liquid Processing System is housed, it said.

The water was giving off around 3.8 million becquerels of beta-particle-emitting substances per liter, Tepco said.

 

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TEPCO accidentally floods wrong building with 200 tons of radioactive water at Fukushima plant


TEPCO accidentally floods wrong building with 200 tons of radioactive water at Fukushima plant

Approximately 200 tons of highly radioactive water were redirected to the wrong building at the disaster stricken Fukushima nuclear power plant on April 14 when pumps that were not supposed to be used were incorrectly turned on, this according to plant operator Tokyo Electric Power Co. (TEPCO). The plant’s officials assured that there were no other channels the contaminated water could leak out of from the building, but the Nuclear Regulation Authority (NRA) ordered the utility to monitor for leakage just the same.

TEPCO said that the highly contaminated water – used for cooling the molten down reactors – has been wrongly directed to a group of buildings that house the central waste processing facilities. The embattled operator said that the basements of these buildings were supposed to function as emergency storage for contaminated water anyway, but the water was not supposed to be directed to the buildings at this point. Fukushima workers noticed something was wrong on April 10, as the water levels in buildings that should have been pumping out water were noticed to be going up instead of down.

 

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Published on Mar 25, 2014

Fishermen approve groundwater diversion plan
A federation of fishermen in Fukushima prefecture has approved a plan to divert groundwater away from the crippled Fukushima Daiichi nuclear power plant and into the sea.
The government and the plant’s operator –Tokyo Electric Power Company — developed the scheme as a measure to manage the increasing volume of radioactive water at the plant.
Every day, about 400 tons of groundwater flows into the reactor buildings and becomes contaminated when it mixes with water used to cool the melted nuclear fuel.
Under the plan, groundwater will be brought above ground with pumps and released into the sea, bypassing the reactor buildings.
The government and TEPCO estimated the method would reduce the volume of contaminated water by about 100 tons per day. They asked local fishermen to consider the plan.
The Fukushima Prefectural Federation of Fisheries Co-operative Associations gave its approval and conveyed the decision to the government and TEPCO officials at a meeting in Iwaki city on Tuesday.
Fisheries co-operatives in Iwaki and Soma cities had already approved of the plan.

Abe vows to take lead for better nuclear security
Prime Minister Shinzo Abe has pledged to play a key role in promoting nuclear security. He says Japan learned a lot from the accident at the Fukushima nuclear power plant.
He made the remarks at a plenary session of the Nuclear Security Summit in The Hague, the Netherlands, on Monday. 53 leaders are taking part.
Abe said Japan will continue its efforts domestically and internationally to strengthen measures for nuclear security. He said the country will advance nonproliferation and disarmament worldwide and work towards the abolishment of nuclear weapons.

Reactor maker execs to serve decommissioning body
The operator of the damaged Fukushima Daiichi nuclear plant says it will appoint senior industry officials to a new division tasked with decommissioning.
Tokyo Electric Power Company will launch the internal division, separate to its power generating business, on April 1st.
The new body will specialize in decommissioning the nuclear plant and dealing with a massive buildup of contaminated water.
TEPCO says senior officials from Hitachi-GE Nuclear Energy, Toshiba and Mitsubishi Heavy Industries will work as executives to advise the body’s top official.
The 3 makers are helping to deal with problems at the troubled plant, such as developing robots to operate in high radioactivity and removing spent nuclear fuel.
TEPCO hopes that by inviting the personnel, the new body can make better use of their expertise.
TEPCO and the Japanese government plan to start removing fuel from the most damaged reactors in 6 years at the earliest.

TEPCO restarts water treatment system
Engineers at Tokyo Electric Power Company have restarted a key water treatment system at the damaged Fukushima Daiichi nuclear power plant.
Two of the 3 lines of the Advanced Liquid Processing System, or ALPS, were suspended on Monday after workers found water leaking from one of the storage tanks.
The workers changed the packing on a side hatch of the tank. They resumed operation of the 2 lines on Tuesday afternoon after confirming that no water was leaking.

Inside Source: Gov’t officials are withholding Fukushima radiation data — Levels much higher than expected — Releasing numbers would “have a huge impact” — Over 2,000 millisieverts per year where residents are being encouraged to return
http://enenews.com/inside-source-govt…

Radioactive water from Fukushima nears Pacific
http://usatoday30.usatoday.com/video/…

Radiation Alert! Northern Plains Radiation Higher Than Fukushima
http://beforeitsnews.com/alternative/…

Radiation Expert: 5 types of plutonium were released from WIPP; Officials not informing public — Caldicott: “I predict that facility will never be able to be used again”; Inhaling a millionth of a gram of plutonium will induce lung cancer
http://enenews.com/radiation-expert-5…

Navy to test Treasure Island homes for radiation
http://www.sfgate.com/politics/articl…

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Article Written by Lee Flynn

Former British Prime Minister Benjamin Disraeli once said, “I am prepared for the worst, but hope for the best” (Quotery.com). Some people falsely believe that being prepared is the sort of thing that is only reserved for fear mongerers and doomsday enthusiasts. However, being prepared does not mean that you want the worst to happen. On the contrary, it means that, although you hope for the best, you are simply ready for anything that might come your way. In the same way that you get insurance in case your health declines, it is important to take out your own “insurance policy” for every area in your life. This might include food storage, home repairs, budgeting, or any number of tasks.

Large-Scale Disasters

The most common motivator for people when it comes to preparedness is the type of disaster that gains international attention. Hurricanes, tornadoes, tsunamis, and all manner of natural disasters have a habit of igniting the prepping spark in many people. Such occurrences are often unpredictable and can leave hundreds of people without homes or even, sadly, their loved ones. However, even those on the outskirts of a disaster can suffer dire consequences. At the very least, they may be trapped in their homes for days on end, perhaps without power or water. This is where your emergency food and water comes in handy.

Smaller Catastrophes

However, although these are the ones which gain the most attention, natural disasters are not the only, and certainly not the most common, reason for needing to keep certain emergency items in your home. You might not have considered it before, but a sudden job loss could come from nowhere and make it extremely difficult to feed yourself and your family.

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  • State inspectors found five violations at storage facility
  • Company storing coal-cleaning chemicals at second site
  • theguardian.com, Wednesday 15 January 2014 12.13 EST
West virgina
Crews clean up a chemical spill along the Elk River in Charleston,West Virginia last Thursday. Photograph: Tyler Evert/AP

State inspectors have cited the company whose spill contaminated the water supply for 300,000 West Virginians for five violations at a second facility where it is storing chemicals, and they say Freedom Industries might have to relocate its materials again because of a lack of a secondary containment plan.

State inspectors found the violations Monday at a Nitro site where Freedom Industries moved its coal-cleaning chemicals after Thursday’s spill, according to a state Department of Environmental Protection report. Inspectors found that, like the Charleston facility where the leak originated, the Nitro site lacked appropriate last-resort containment to stop chemical leaks.

A department report described the site’s secondary containment as “deteriorated or nonexistent.” It described a building with holes in its walls at floor level and a trench surrounding the structure that lets stormwater mix with spilled chemicals.

Department spokesman Tom Aluise said the ditch eventually drains into the river.

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Fukushima News 10/18/13: 

MissingSky101 MissingSky101

 

 

Published on Oct 18, 2013

Radioactivity levels in a well near a storage tank at the Fukushima nuclear power plant in Japan have risen immensely on Thursday, the plant’s operator has reported.
Officials of the Tokyo Electric Power Company (TEPCO) said on Friday they detected 400,000 becquerels per liter of beta ray-emitting radioactive substances – including strontium – at the site, a level 6,500 times higher than readings taken on Wednesday, NHK World reported.
The storage tank leaked over 300 tons of contaminated water in August, some of which is believed to have found its way into the sea through a ditch.

The well in question is about 10 meters from the tank and was dug to gauge leakage.

TEPCO said the findings show that radioactive substances like strontium have reached the groundwater. High levels of tritium, which transfers much easier in water than strontium, had already been detected.

Officials at TEPCO said they will remove any contaminated soil around the storage tank in an effort to monitor radioactivity levels of the water around the well.
The news comes after it has been reported a powerful typhoon which swept through Japan led to highly radioactive water near the crippled nuclear power plant being released into a nearby drainage ditch, increasing the risk of it flowing into the sea.
On Wednesday TEPCO said it had detected high levels of radiation in a ditch leading to the Pacific Ocean, and that it suspected heavy rains had lifted contaminated soil.
‘Decades-long problems being faced at Fukushima’
Robert Jacobs, a professor at Hiroshima Peace University, told RT the compounding problems at Fukushima Daiichi underscore one critical reality: no one really knows what to do.
“Nobody really knows how to solve the problems at Fukushima. There is nobody who has solutions. The problems at Fukushima are unprecedented, so even bringing in outside expertise, all that they can try to do is problem solve. There is no solution that other countries have that they can come in and fix the reactors, or rather, shut down the contamination, shut down the leaks.”
Prime Minister Shinzo Abe’s open request for advanced knowledge from overseas is a welcome step, as this will bring a higher degree of professionalism than Tepco has demonstrated since the crisis first erupted, Jacobs says. But even though, those experts will be at a loss to solve the immense problems they’ll be facing for decades at Fukushima.

Even in the one area where Japan could potentially help contain the disaster, the authorities have wavered, Konstantin Simonov from the Moscow-based Fund for Energy Security told RT.
“Fukushima should be treated just like Chernobyl — as a wreck that must be retired and put in a sarcophagus, with radioactive waste slowly and thoroughly utilized. Why does the problem persist at Fukushima? Because they can’t decide whether they want to close it or to keep it going.”
Tokyo Electric Power Company in fact seems reluctant to shut down Fukushima for good. Tepco is in fact pushing to reopen its Kashiwazaki Kariwa facility — the world’s largest nuclear power station — which itself was shut down in 2007 following reports of radioactive leaks in the wake of an earthquake.
In September, Japan announced its only operating nuclear reactor had been closed for maintenance, leaving the country with no nuclear power supply for only the second time in four decades.
Atomic power accounted for 30 percent of Japan’s energy needs prior to the Fukushima disaster, and the country was forced to increase fossil fuel imports to make up for the deficit.
As a result, Japan become the world’s largest importer of liquefied natural gas (LNG), prompting the world’s third-largest-economy to post its first trade deficit since the second oil shock 31 years ago.
Under these circumstances, the crisis gripping Fukushima will not be the only factor in deciding the fate of the country’s nuclear industry.

http://rt.com/news/fukushima-high-rad…

 

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Fukushima News 10/18/13

MissingSky101 MissingSky101

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Published on Oct 18, 2013

High radioactivity found in Fukushima Daiichi well
The operator of the Fukushima Daiichi nuclear power plant says that it has detected a sharp rise in radioactivity in a well near a storage tank.
The tank leaked more than 300 tons of contaminated water in August. Some of it is believed to have poured into the sea via a ditch.
Officials of the Tokyo Electric Power Company say that they detected 400,000 becquerels per liter of beta ray-emitting radioactive substances, including strontium, at the well on Thursday.
The level is 6500 times higher than the readings on the previous day.
The well was dug to monitor the impact of the leakage and is located at about 10 meters from the tank.
High levels of radioactive tritium, which tends to be transferred easily in water, had been already detected.
TEPCO officials believe Thursday’s findings show that radioactive substances such as strontium, which are transferred relatively slowly, have reached the ground water.
There is another well about 100 meters from the tank near the seaside. It’s for pumping up groundwater before it seeps into the reactor building and vicinity so as to contain the increase of contaminated water.
TEPCO will remove the contaminated soil around the tank and continue to closely watch radioactivity levels of the groundwater at the monitoring well.

Test-fishing begins off southern Fukushima
Fishermen are testing the waters off the southern coast of Fukushima Prefecture for the first time since the nuclear crisis began 2 years and 7 months ago.
The accident at the Fukushima Daiichi plant forced a halt to local fisheries. Then in June last year test catches began off northern Fukushima.

TEPCO to contain tainted underground water
The operator of the crippled Fukushima Daiichi nuclear power plant says it plans to take additional measures to contain the spread of contaminated water that leaked from a storage tank.
Tokyo Electric Power Company managers on Thursday announced they had detected 400,000 becquerels per liter of beta ray-emitting radioactive substances in water collected from a monitoring well.
They said the figure is more than 6,000 times higher than the level recorded the day before.
They also said the level of radioactive tritium also tripled to the highest-ever figure of 790,000 becquerels per liter.
The well is some 10 meters from a storage tank that holds radioactive water. More than 300 tons of the water leaked from the tank in August. Some of it is believed to have seeped into nearby soil and also reached the ocean through a ditch.

Japan to update tainted water info in Korean
Japan’s Fisheries Agency is set to release multi-lingual information on the contamination of waters off the Fukushima Daiichi power plant.
The agency currently discloses updates on its website about radioactive contamination of seawater surrounding the Fukushima plant.

Test fishing process in Fukushima
In the test fishing off the coast of Fukushima prefecture, fishermen are allowed to operate in limited waters and catch only certain types of seafood. This is to ensure the products’ safety and win consumer trust..

Alert: Top Japan nuclear official suggests Fukushima reactors “leaking directly into sea”… not mixing with groundwater and getting diluted — Expert: Contamination flowing from plant will be carried away to North America’s west coast
http://enenews.com/alert-top-level-ja…

New typhoon was born in the South of Japan again / May hit Japan again
http://fukushima-diary.com/2013/10/ne…

Meet The Underpaid, Overexposed ‘Liquidators’ Of Fukushima
http://www.huffingtonpost.com/2013/10…

DPJ wants TEPCO split up, decommission body set up
http://www.houseofjapan.com/local/dpj…

Scientist Dr. Walter Tamosaitis calls out nuclear waste dump issues, gets fired
http://www.wtsp.com/news/article/3408…

Thom hartmann talks with Kevin Kamps, Nuclear Waste Watch Dog-Beyond Nuclear
Website: http://www.beyondnuclear.org

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Posted 6 hours 23 minutes ago

The operator of the crippled Fukushima nuclear plant says it has found a new leak of radioactive water that might have flowed into the Pacific Ocean.

The leak from the 450-tonne storage tank is the second of its kind in as many months, and involved water with high concentrations of radioactive strontium and caesium.

Fukashima operator Tokyo Electric Power (TEPCO) says it does not know how much water leaked, adding that it could have flowed from an adjoining drainage ditch into the sea.

TEPCO has apologised for causing anxiety.

Last month, 300 tonnes of highly contaminated water leaked from a tank and some is believed to have flowed into the Pacific.

Read More Here

Related Story: Fukushima operator TEPCO seeks to open more reactors
Related Story: TEPCO apologises to Japanese PM over name gaffe
Related Story: TEPCO ignored warnings about Fukushima contamination
Related Story: Fukushima plant’s radioactive water to be dumped in Pacific

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Second breach at Fukushima nuclear plant leaks toxic water into sea

Highly contaminated water overflows into Pacific Ocean in second leak in two months at Daiichi site

 leaked from a water tank at TEPCO's Fukushima dai-ichi nuclear power plan

Contaminated water leaking out from a tank at Tepco’s damaged nuclear power plant in Fukushima, Japan, in August. Now another leak has been reported. Photograph: Tepco/AFP/Getty Images

The operator of Japan‘s crippled Fukushima nuclear plant said on Thursday another tank holding highly contaminated water overflowed, probably sending the liquid into the Pacific Ocean, in the second such breach in less than two months.

Recent site mishaps have returned Tokyo Electric Power Co, or Tepco, to the spotlight, calling into question its ability to execute a complex cleanup that could last decades. The company has vowed to monitor the tanks more closely and improve its water management.

Amid mounting international alarm, Japan’s government stepped in last month and said it would fund efforts to improvement water management at the plant.

The latest leaks show Tepco’s efforts to improve its handling of the contaminated water are not sufficient, Japan’s top government spokesman, Yoshihide Suga, told reporters on Thursday. The government will take steps to deal with the water, he said, adding that he thought the situation was under control.

Tepco has been relying on hastily built tanks to hold excess cooling water flushed over damaged reactors at the Fukushima Daiichi site, where three units suffered nuclear meltdowns and hydrogen explosions after a March 2011 earthquake and tsunami.

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Fukushima Daiichi NPS Prompt Report

2013

Status of TEPCO’s Nuclear Power Stations after the Tohoku-Chihou-Taiheiyou-Oki Earthquake

Oct 3,2013 Water Dropping from the Top Plate of the B Area (South) Tank at Fukushima Daiichi NPS (Follow-up Information 3) NEW
Oct 3,2013 Seawater Leak from the Motor Cooling Water Pipe of the Remaining Heat Removal System Seawater Pump (D) for Unit 6 at Fukushima Daiichi NPS NEW
Oct 3,2013 Water Leak in Unit 5 Waste Treatment Building at Fukushima Daiichi NPS NEW
Oct 3,2013 Overflow of Water from the Dike of H8-South Area at Fukushima Daiichi NPS (Follow-up Information 3) NEW
Oct 3,2013 Water Dropping from the Top Plate of the B Area (south) Tank at Fukushima Daiichi NPS (From the First Issue to the Follow-up Information 2) NEW
Oct 2,2013 Overflow of Water from the Dike of H8-South Area at Fukushima Daiichi NPS (Follow-up Information 2) NEW
Oct 2,2013 Overflow of Water from the Dike of H8-South Area at Fukushima Daiichi NPS (Follow-up Information) NEW
Oct 2,2013 Overflow of Water from the Dike of H8-South Area at Fukushima Daiichi NPS NEW
Oct 1,2013 Overflow of Water from the Notch Tank Which Locates at the East of the H5 Area Tank and Stores Water inside the Dike at Fukushima Daiichi NPS (Follow-up Information)
Oct 1,2013 Suspension of the Nitrogen Gas Separation Apparatus A at Fukushima Daiichi NPS (Follow-up Information 2)
Oct 1,2013 Suspension of the Nitrogen Gas Separation Apparatus A at Fukushima Daiichi NPS (Follow-up Information)
Oct 1,2013 Suspension of the Nitrogen Gas Separation Apparatus A at Fukushima Daiichi NPS
Oct 1,2013 Overflow of Water from the Notch Tank Which Locates at the East of the H5 Area Tank and Stores Water Inside the Dike at Fukushima Daiichi NPS

Fukushima News 10/1/13: Thousands in Japan Suffering Massive And Recurring Nosebleeds In Recent Days

MissingSky101

Published on Oct 1, 2013

japan

Thousands in Japan reported to be suffering massive and recurring nosebleeds in recent days — Gundersen: Japan doctors tell us, “We know our patients have radiation illness” but forced to keep it secret (VIDEO)
http://enenews.com/thousands-in-japan…
https://www.facebook.com/notes/takahi…
http://www.youtube.com/watch?feature=…

TEPCO resumes water decontamination at Fukushima
The operator of the Fukushima Daiichi nuclear plant resumed decontamination of waste water early Monday.
On Friday, Tokyo Electric Power Company resumed a test run of its Advanced Liquid Processing System, or ALPS system, designed to remove radioactive materials from the contaminated water.

12,000 plus 2,000 new items checked in Monju
The operator of a trouble-hit prototype reactor has completed safety checks on about 14,000 pieces of equipment that should have been inspected earlier.
The checks included about 2,000 items the operator recently discovered hadn’t been inspected.

Tainted rainwater overflows at Fukushima Daiichi
Workers at the Fukushima Daiichi nuclear plant face another challenge.
Tokyo Electric Power Company says 4 tons of radioactive rainwater has seeped into the ground after overflowing from a storage container.
The spill occurred on Tuesday when workers were pumping into the container rainwater that had collected around wastewater storage tanks. Officials of the firm say the overflow occurred because the workers transferred the water to the wrong container.

Decontamination tests start in high-radiation zone
Japan’s Environment Ministry has started trial decontamination in high-radiation zones near the troubled Fukushima Daiichi nuclear power plant.
Parts of 7 municipalities near the plant have been designated as unsuitable for living due to radiation levels over 50 millisieverts per year.

‘Radioactive Spill’ at Fukushima: Tons seeping into ground; ‘Widespread structural problems’ indicated with tanks — Nitrogen injection for preventing explosions at reactors temporarily halted
http://enenews.com/radioactive-spill-…

Nuclear regulator criticized for ‘red tape’ job
Japan’s nuclear regulator is coming under fire from intellectuals. They’re being criticized for bureaucratic behavior.
The Nuclear Regulation Authority fielded comments on Monday from 6 experts who are studying the crisis in Fukushima. The discussion was a review of the NRA’s first year of operation.

“Fear of contaminated food and radioactivity in the metropolitan area” Takashi Hirose
http://blog.goo.ne.jp/jpnx05/e/7db9b9…

The World Must Take Charge at Fukushima
http://coto2.wordpress.com/2013/09/30…

Dr. Helen Caldicott Talks Bluntly About Fukushima
http://www.youtube.com/watch?v=Gqz9qD…

Michigan politicians protest Ontario nuclear waste site
http://www.thestar.com/business/2013/…

NUCLEAR TERRORISM RESPONSE PLANS
Major Cities Could Benefit from Federal Guidance
on Responding to Nuclear and Radiological Attacks
http://cryptome.org/2013/09/gao-13-73…
http://www.nucleardemolition.com/Kill…

http://new.atmc.jp/pref.cgi?p=07#p=07…

Abe at Ground Zero: the consequences of inaction at Fukushima Daiichi – See more at: http://japanfocus.org/site/view/3991#…
http://japanfocus.org/site/view/3991

Fukushima, Fuel Rods, and the Crisis of Divided and Distracted Governance
– See more at: http://japanfocus.org/site/view/3987#…
http://japanfocus.org/site/view/3987

All material provided on this channel is for educational purposes only. No copyright infringement intended.

The News That Matters about the Nuclear Industry
http://nuclear-news.net/

FukushimaDiary
http://fukushima-diary.com/category/d…

http://enenews.com/

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http://www.youtube.com/user/Documenti…

Japan Radiation Map
http://jciv.iidj.net/map/

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Tanks of radiation-contaminated water are seen at the Tokyo Electric Power Co (TEPCO)'s tsunami-crippled Fukushima Daiichi nuclear power plant in Fukushima prefecture, (File photo).Tanks of radiation-contaminated water are seen at the Tokyo Electric Power Co (TEPCO)’s tsunami-crippled Fukushima Daiichi nuclear power plant in Fukushima prefecture, (File photo).
VOA News

Japanese nuclear officials say the radiation level of a tank holding highly contaminated water at Japan’s crippled Fukushima nuclear plant has jumped in just one week to a potentially dangerous level.

Tokyo Electric Power Company, or Tepco, said the reading of 1,800 millisieverts at the tank Saturday is enough to kill an exposed person in four hours. On August 22, the same tank measured 100 millisieverts per hour – just a fraction of Saturday’s reading.

Tepco also revealed that a pipe connecting two other tanks is leaking. However, the energy company said the water levels of the tanks had not changed. The French news agency says the leak has been patched with plastic tape.

Last month, a tank was found to have leaked 300 tons of highly toxic water.

Read More Here

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Fukushima radiation levels 18 times higher than previously thought

TOKYO, JAPAN (BNO NEWS) — Radiation levels at Japan’s crippled Fukushima nuclear plant are 18 times higher than previously thought, the plant’s operator said on Sunday, blaming previous readings on inadequate equipment that was not capable of detecting high radiation levels.

The Tokyo Electric Power Company (TEPCO) said it detected radiation of 1,800 millisieverts per hour near the bottom of a storage tank at the Fukushima Daiichi nuclear power, where authorities declared a serious incident last month after highly contaminated water was found leaking from a tank.

“We deeply apologize for the great anxiety and inconvenience caused by the recent contaminated water issues at the Fukushima Daiichi NPS, which affects the residents near the power station and the broader society,” a Tepco spokesperson said, emphasizing that not the whole area is engulfed in high levels of radiation.

The company reported radiation of 100 millisieverts per hour on August 22, but experts are now known to have used inadequate equipment that was not capable of detecting higher radiation levels. The new instruments that were used on Saturday were capable of detecting radiation up to 10,000 millisieverts.

Tepco rejected media reports that claimed the higher levels of radiation could kill a person after four hours of exposure. “We believe that simply comparing the 1,800 mSv with those standard levels is not proper, since the standard levels are accumulation of effective dose (not equivalent dose) that express effects for the whole body,” the spokesperson said.

Read More Here

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RIA Novosti
Fukushima Nuclear Power Plant

09:42 22/08/2013

TOKYO, August 22 (The Associated Press) — Japan’s nuclear watchdog said a leak of highly radioactive water at the crippled Fukushima nuclear power plant could be the beginning of a new disaster — a series of leaks of contaminated water from storage tanks.

The plant operator has built hundreds of steel tanks to store massive amounts of radioactive water coming from three melted reactors, as well as underground water running into reactor and turbine basements.

Tokyo Electric Power Co. says about 300 tons (300,000 liters, 80,000 gallons) of contaminated water leaked from one of the tanks, possibly through a seam. The leak is the fifth, and the worst, since last year involving tanks of the same design at the wrecked Fukushima Dai-ichi plant, raising concerns that contaminated water could begin leaking from storage tanks one after another.

“That’s what we fear the most. We must remain alert. We should assume that what has happened once could happen again, and prepare for more,” Nuclear Regulation Authority Chairman Shunichi Tanaka told a news conference. “We are in a situation where there is no time to waste.”

The watchdog also proposed at a weekly meeting Wednesday to raise the rating of the seriousness of the leak to level 3, a “serious incident,” from level 1, “an anomaly,” on an International Nuclear and Radiological event scale from 0 to 7.

The watchdog urged TEPCO to step up monitoring for leaks and take precautionary measures.

Read More Here

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Japan nuke watchdog may raise latest radioactive Fukushima leak to ‘serious incident’

The operator of the plant said about 300 tons (300,000 litres, 80,000 gallons) of contaminated water has leaked from one of hundreds of steel tanks around the wrecked Fukushima Dai-ichi plant. Tokyo Electric Power Co. hasn't figured out how or where the water leaked, but suspects it did so through a seam on the tank.

The operator of the plant said about 300 tons (300,000 litres, 80,000 gallons) of contaminated water has leaked from one of hundreds of steel tanks around the wrecked Fukushima Dai-ichi plant. Tokyo Electric Power Co. hasn’t figured out how or where the water leaked, but suspects it did so through a seam on the tank. Getty Images

TOKYO – The Japanese nuclear watchdog on Wednesday said they are taking the leakage of highly radioactive water at the crippled Fukushima nuclear power plant seriously, and proposed raising the rating to describe it from “an anomaly” to a “serious incident.”

The operator of the plant said about 300 tons (300,000 litres, 80,000 gallons) of contaminated water has leaked from one of hundreds of steel tanks around the wrecked Fukushima Dai-ichi plant. Tokyo Electric Power Co. hasn’t figured out how or where the water leaked, but suspects it did so through a seam on the tank.

The leak, the fifth since last year involving tanks of the same design, also raised concerns that this could be the beginning a new disaster – contaminated water leaking from storage tanks one after another.

“That’s what we fear the most. We must remain alert. We should assume that what has happened once could happen again, and prepare for more,” watchdog chairman Shunichi Tanaka told a news conference. “We are at a situation where there is no time to waste.”

The watchdog proposed at a weekly meeting Wednesday to raise the rating of the leak to level 3 from an earlier level 1 on an International Nuclear and Radiological event scale of eight. The watchdog, however, plans to consult with the U.N. nuclear regulatory agency over whether it is appropriate to use the INES evaluation scale on the already wrecked Fukushima plant.

The watchdog also urged TEPCO to step up monitoring for leaks and take precautionary measures.

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