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Ehime governor gives OK for restart of Ikata nuclear power plant

The Governor of Ehime prefecture gave approval on Oct.26 for the restart of unit 3 of Shikoku Electric Power C
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TEPCO releases first batch of decontaminated Fukushima groundwater to sea

TEPCO discharged into the sea 850 tons of filtered ground water taken from wells around the damaged reactor bu
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Fukushima fishermen OK to release decontaminated water into sea

Fishermen’s association in Fukushima prefecture gave approval to Tokyo Electric Power Co. to release rad
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Highly radioactive rainwater at Fukushima No.1 has likely leaked into the Pacific Ocean

Highly radioactive rainwater at the Fukushima Daiichi nuclear plant has likely leaked into the Pacific Ocean,
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Highly radioactive water has leaked into a nearby bay

Highly radioactive water at the crippled Fukushima Daiichi nuclear plant has leaked into a nearby bay, but the
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TEPCO will fail to meet the the commitment to clean contaminated water by March

Tokyo Electric Power Co. said it will fail to fulfill its commitment to process by the end of March all highly
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NRA gave ok to dump radioactive water after treatment

The NRA gave the green light to TEPCO’s plan to dump toxic groundwater pumped up at the Fukushima Daiich
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TEPCO still failing to process radioactive water by own deadline

TEPCO will likely fall short of fulfilling its pledge to process all highly radioactive water stored at the cr
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Five aging nuclear reactors will be decommissioned in the near future

Five aging nuclear reactors will be decommissioned in the near future, a move that government officials hope w
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6 tons of radioactive water has leaked into the ground at Fukushima No.1 plant

  Up to 6 tons of radioactive water has leaked into the ground at the crippled Fukushima No. 1 nuclear po
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NRA said contaminated water at Fukushima plant needs to be released for the safe decommissioning

The Nuclear Regulation Authority said contaminated water stored at the Fukushima No. 1 nuclear power plant sho
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New machine takes less than 30 minutes to detect strontium 90

New updated equipment that is scheduled to go into operation at the Fukushima No. 1 nuclear power plant in Dec
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TEPCO decided to bury a trench at Fukushima NO.1 by using concrete

TEPCO has decided to bury a trench at the crippled Fukushima No. 1 Nuclear Power Plant using concrete after an
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Effort to stop contaminated water from flowing into a trench at Fukushima NO.1 plant failed

An effort to stop contaminated water from flowing into a trench at the crippled Fukushima No. 1 Nuclear Power
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Exploratory drilling for nuclear waste storage blocked by local residents in Miyagi

Exploratory drilling for a facility to house waste from the nuclear accident was canceled after local resident
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TEPCO’s most likely not able to finish purifying water by the end of the fiscal year

TEPCO’s goal of purifying all highly radioactive water stored at the Fukushima No. 1 nuclear power plant
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TEPCO unveiled newly installed equipment to remove radioactive substances

TEPCO has unveiled newly installed equipment to remove radioactive substances from highly contaminated water a
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Typhoon raised tritium concentration in grounwater at Fukushima No.1

The radioactive water woes at the  Fukushima No. 1 nuclear plant got worse after the tritium concentration in
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Radioactive water treatment system at Fukushima No.1 has suspended again

TEPCO said its trouble-plagued radioactive water treatment system at the complex has been partially suspended
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Japanese companies developed machine to examine radioactive cesium in water quickly

Kajima Corp. and analysis equipment maker Nikkin Flux Inc. have jointly developed equipment that quickly exami
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Fishermen crying foul over a plan to discharge processed contaminated water from Fukushima No.1 plant

Local fishermen are crying foul over Tokyo Electric Power Co.’s latest plan to discharge processed contaminate
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TEPCO beun trial runs of newly installed ALPS system

TEPCO said it has begun trial runs of a decontamination channel of a newly installed ALPS system to process ra
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TEPCO plan to try cement as an additional sealant for stopping radioactive water

TEPCO said it will test cement and other materials as a sealant to completely stem the radioactive water pouri
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TEPCO filed a plan to build a facility for dumping toxic water into the sea

TEPCO filed a plan with regulators on Monday to build a facility for dumping toxic groundwater into the ocean
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TEPCO begin pumping up groundwater on a trial basis

Tokyo Electric Power Co. in Aug 12th began pumping up groundwater at disaster-hit Fukushima Daiichi nuclear po
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TEPCO placed ice blocks in trenches to freeze radioactive water

TEPCO said that it has placed tons of ice blocks in underground trenches at the complex in an attempt to freez
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Water purification system will not be completed by the end of fiscal 2014

TEPCO is unlikely to reach its target of completing purification of radiation-contaminated water stored at the
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TEPCO admitted that groundwater bypass operation at Fukushima No.1 is not working

TEPCO admitted on July 28th that the so-called groundwater bypass operation at its crippled Fukushima No. 1 nu
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TEPCO revieled a plan to place blocks of ice in trenches at Fukushima no.1 to stanch the flow of radioactive water

TEPCO unveiled a plan that would place blocks of ice in trenches at the stricken Fukushima No. 1 nuclear power
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20 or more second hand water tanks are used for storing contaminated water

Roughly 20 or more second water tanks holding radioactively contaminated water at the Fukushima No. 1 Nuclear
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Radioactive water leakage was found in the undamaged No.5 reactor

A leak of radioactive water was found in the piping of water used to cool the spent fuel pool in the undamaged
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Ice wall s have failed to form in underground trenches

An ambitious plan by TEPCO to halt the leakage of contaminated water at the Fukushima No. 1 nuclear power plan
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NRA expressed concern about a delay in a plan to freeze highly toxic water

NRA expressed strong concern about a delay in TEPCO’s plan to freeze highly toxic water building up in u
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TEPCO can’t confirm whether groundwater bypass operation is working or not

According to TEPCO, it can’t confirm whether the groundwater bypass operation at the Fukushima No. 1 nuclear p
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TEPCO resumed operation of problematic water treatment system

TEPCO resumed operation of the complex’s radioactive water treatment system that has been plagued by a s
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NRA disclosed the result of study ono seabed radioactivity

The Nuclear Regulation Authority has disclosed the results of its fiscal 2013 research into seabed radioactivi
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TEPCO now able to measure the temperature and level of water in the No.2 reactor container

TEPCO said it is now able to properly measure the temperature and level of water used as a coolant inside the
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TEPCO use US technology to extract strontium from contaminated water

TEPCO will use a truck-mounted filtration system to extract strontium from water stored at the damaged Fukushi
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TEPCO began construction of a huge underground ice wall

TEPCO began construction on June 2nd of a huge underground ice wall around four reactor buildings, it is said
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Gov soliciting candidates to learn latest technology of separating tritium from radioactive water

The government has started soliciting candidates in and outside Japan for projects to obtain the latest knowle
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Construction of underground ice wall gets go-sign by NRA

The Nuclear Regulation Authority said that it will allow TEPCO to begin construction of an underground ice wal
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TEPCO started dumping groundwater from Fukushima No.1 into the ocean

TEPCO dumped into the Pacific Ocean tons of groundwater collected at the Fukushima No.1 plant after having con
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Groundwater from Fukushima No.1 might be started releasing to the pacific ocean next week at the earliest

The government said that the radiation level of groundwater at the crippled Fukushima Daiichi nuclear power pl
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Experts question the effect of an ice wall to prevent radioactive water leakage

  The experts and nuclear regulatory officials said at a meeting in Tokyo that they weren’t convinced the
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Human errors caused wrong transferring of contaminated water

TEPCO reported to Nuclear Reguratory Agency that human errors likely caused a recent incident in which highly
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Combined level of tritium is estimated 900 times than the annual limit

The combined level of radioactive tritium at four reactors at the Fukushima No. 1 Nuclear Power Plant is estim
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Radioactivity levels exceeding in groundwater to release to ocean

Radioactivity levels exceeding standards to release groundwater into the ocean were discovered in a pump well
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Radioactive water overflowed during cleansing of a water treatment

Around 1.1 tons of radioactive water overflowed Wednesday from a container during cleansing of a water treatme
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Highly radioactive water transferred towrong building

TEPCO said on April 14th that about 203 tons of highly radioactive water have been erroneously sent to a build
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Toxic water found in August was much contaminated than announced

TEPCO said on April 11th that toxic water found to have leaked last August at one of the huge tanks at Fukushi
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560,000 cubic meters of nuclear waste will be generated by 2027

TEPCO said it will have to substantially expand the radioactive waste storage capacity at Fukushima No.1 plant
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Local fishermen finally agreed dump groundwater from Fukushima Daiichi to the Pacific

A local fishermen’s organization on March 25th decided to allow TEPCO to dump groundwater at the Fukushi
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[Three years after 3.11] Still radioactive water is big challenge

Three years having passed since the outbreak of the Fukushima No. 1 Nuclear Power Plant disaster, radioactive
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Tritium is a serious obstacle to work to decommisionning

Getting the radioactive element tritium out of even treated water has become a serious obstacle to work to dec
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Radioactive water is a major challenge in Fukushiam No.1 three years after 3.11

Since three years has been past since the Great East Japan Earthquake, struggling to tackle the buildup of hig
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Huma error caused 100 tons of radioactive water leakage Human error, not equipment failure, may be responsible
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100 tons of highly contaminated water leaking from tank at Fukushima No.1

Roughly 100 tons of highly radioactive water leaked from one of the huge tanks at the Fukushima Daiichi nuclea
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54,000 Bq cesium found in groundwater, record high

TEPCO said on Feb 13th that it has detected a record 54,000 becquerels of radioactive cesium per liter in grou
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Gov seek approval of fishermen to dump groundwater at Fukushima Daiichi

The government on Feb 3rd sought approval of a nationwide fisheries federation to dump groundwater at the Fuku
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Significant amount of cesium flowed into ocean by powerful typhoon in 2011

The amount of radioactive cesium that flowed into the sea through a river running across central Fukushima Pre
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Latest water leak could be from primary containment vessel

TEPCO said that highly radioactive water found on the floor of the No. 3 reactor building could be a sign that
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New leak found at No.3 reactor at Fukushima Daiichi

Water that could contain radioactive material has been pouring into a drain on the first floor of the No. 3 re
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Nuclear regulators urges TEPCO to take action for the rising radiation level at the plant

Nuclear regulators called on TEPCO to take action to address the rising radiation level at the border of Fukus
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IAEA proposed TEPCO consider discharging water from Fukushima Daiichi

A team of experts from the International Atomic Energy Agency proposed that TEPCO consider discharging less ha
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1.1million becquerels of beta ray radioactive substance was found, which is 36,000 times more than permissible level

TEPCO said on Dec. 2 that it has detected radioactive materials that topped 36,000 times the permissible level
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ALPS system was switched off due to leakage of hydrochloric acid

Advanced Liquid Processing System (ALPS) for the decontamination of radioactive water at Fukushima No. 1 nucle
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TEPCO postpone removal of groundwater du to a shortage of water storage

TEPCO said that a shortage of water storage tanks has forced it to postpone removal of radioactive groundwater
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Interview to the famous plant worker on Twitter by Asahi Newspaper

Asahi Newspaper interviewed a worker in Fukushima Daiichi nuclear power plant who is famous on Twitter as his
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Interview to the chief researcher at the Meteorological Research Institute on the contamination of the ocean

Radioactive substances from the Fukushima No. 1 nuclear plant will dilute to negligible levels in the ocean, b
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TEPCO build new drainage for preventing toxic water flowing to the ocean

TEPCO said on Nov.11th that it will build a new drainage channel to prevent toxic water from directly flowing
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TEPCO has no idea yet where to store radioactive rainwater in underground tanks

TEPCO has yet to figure out what to do with 2,700 tons of radioactive rainwater now stored in two underground
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IAEA experts check contamination in the sea

Two IAEA experts on Nov.7th began to help checking Japan’s marine radiation monitoring activities off th
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Cesium again found 1km off the coast of Fukushima Daiichi

TEPCO said on Oct 22nd that it has detected radioactive cesium about 1 kilometer off the coast of Fukushima Da
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Rain water spilled from barriers contained radioactivity

TEPCO said on Oct 21st that some of the rainwater that spilled from concrete barriers around clusters of tanks
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Highest radioactivity found at the ditch near the sea

The highest level of beta ray-emitting radioactive substances, such as strontium, has been detected at one poi
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A pump to inject water into reactors stopped by huma error

A pump to inject water into one of the severely damaged reactors at the Fukushima Daiichi nuclear plant stoppe
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New leakage found to flow into the ocean at Fukushima Daiichi

TEPCO said on Oct 2nd that it has found that an unspecified amount of water with a highly concentrated radioac
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EX-US nuclear regulatory chief criticized slow reaction over water leakage

A former U.S. nuclear regulatory chief said on Sept. 24 that leaks of contaminated water at the Fukushima plan
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NRA launched the investigation of the contamination of the seafloor

Japan’s Nuclear Regulation Authority on Sept 18th started an investigation of the contamination of the s
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1,130 tons of rainwater with radioactive substances dumped to the sea

TEPCO said on Sept 27th that it has dumped into the Pacific Ocean about 1,130 tons of rainwater caused by mass
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Japan seek the possibility of S. Korea lifting ban against Japanese fish

The Japanese Fisheries Agency will send a senior official to South Korea to ask the country to reconsider its
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TEPCO: radioactive water might be leaked to the Pacific Ocean

Tokyo Electric Power Co. workers reported detecting high levels of radioactive strontium in a drainage ditch c
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US nuclear expert invited as outside adviser to tackle on the water leakage

TEPCO said on Sep 10th that it will invite U.S. nuclear expert Lake Barrett to as an outside adviser so as to
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S.Korea bans fish from northern Japan including Fukushima

South Korea said on Sep 6th it has banned the import of all fisheries products from eight Japanese prefectures
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Radioactive water might be mixed with ground water already

TEPCO said on Sep 5th that it has detected 650 becquerels per liter of radioactive substances from groundwater
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Trying to hide radioactive water leaking to win the Olympic bid

The leader of Tokyo’s bid for the 2020 Olympics has sent a letter to IOC members in order to reassure th
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TEPCO filed a criminal complaint over water leakage

Three people on Sep 3rd filed a criminal complaint against TEPCO and 32 of its current and former executives w
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The government will spend 47 billion yen to deal with the radioactive water accumilation

According to the government source on Sep 3rd, the government will spend over 47 billion yen on emergency meas
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Drop from the tank-connecting pipes contained very high radioactivity

TEPCO announced on Sept. 1 that 300 million becquerels of radiation per liter was detected in water leaking fr
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New leak was found, highest reading is 1,800 millisieverts per hour

Very high radiation levels were observed on Aug 31st at three tanks and one of the pipes connecting them at Fu
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Voice of plant workers:tanks at the site were feared to be leaked

The water storage tanks at Fukushima Daiichi plant were built hastily and it was feared at the time that toxic
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Will TEPCO accept oversea support?

Since TEPCO admitted on leaking radioactive water to the Pacific Ocean on July 22,international media attentio
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Fishermen pressure TEPCO to end the radioactive water leakage

A national fishermen’s organization on Aug 29th pressed TEPCO to ensure there will be no further leaks o
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Task force for water leakage set by TEPCO

TEPCO said it will concentrate its resources on managing the massive amount of radioactive water through effor
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Trade Minister pledged an urgent action to radioactive water leak

Economy, Trade and Industry Minister Toshimitsu Motegi visited Fukushima No. 1 Plant on Aug. 26 to inspect hig
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Tank causing leakage might have deteriorated as a result of being moved and reassembled

A huge storage tank from which about 300 tons of highly radioactive water leaked at Fukushima Daiichi nuclear
[Read More]


NRA criticized TEPCO for lax management of water leakage

Officials of the Nuclear Regulation Authority visited the Fukushima Daiichi nuclear plant on Aug 23rd to check
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All fisheries suspended in Fukushima due to radioactive water leakage

Due to ongoing radioactive water leakage into the sea, fisheries cooperative in Fukushima gave up trial operat
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Highly radioactive water from the tank leaking to the ocean

Tokyo Electric Power Co. said on Aug 21st that highly radioactive water leaking from a storage tank at the Fuk
[Read More]


Water leakage issue raised up from level 1 to level 3

The Nuclear Regulation Authority (NRA) announced Aug. 21 that the leakage of highly contaminated radioactive w
[Read More]



Fukushima Stories&Facts

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