Fukushima Unit 1 Decommissioning
As work evolves into the decommissioning phase information on decommissioning plans is updated here. Unit 1 has had extensive work
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Fukushima Unit 1 TIPS Inspection Done, High Radiation Found
A new inspection attempt of the unit 1 TIPS room has been completed between September and October of 2015. TEPCO
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Fukushima Unit 3 Second Containment Inspection Results
TEPCO states that data gathered will be released later. They have released some images of the second day of containment
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TEPCO Says Unit 1-2 Vent Tower Probably OK For Now
TEPCO has been doing another round of inspections on the unit 1-2 vent tower. They told Mainichi they didn’t think
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Fukushima Daiichi Unit 2 Prepares For Containment Inspection
A newly released document shows progress in the effort to inspect inside unit 2’s containment. At unit 1 they went
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Fukushima Unit 1 Inspection Work Completed
TEPCO has announced that they have completed all of the work they can do on the unit 1 containment robot
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Second Fukushima Unit 1 Robot Investigation Complete
TEPCO/IRID released a very small selection of video clips from the second investigation that took place over two days along
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2nd Robot Enters Fukushima Unit 1 Containment
TEPCO is reporting that the second robot has been put into containment and made 6 of the 11 data stops
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Fukushima Unit 1 Robot Failure, What We Know So Far
Per Yahoo News Japan, the robot died about 2/3 of the way through the planned route. Specifics about what kind
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New Unit 1 Findings Indicate Contamination Path
TEPCO’s new reports on the unit 1 torus room already showed that a vacuum breaker caused an issue. Now they
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New Fukushima Containment Investigation Plan Confirmed
Details of the new upcoming effort to investigate the containment structures of the melted reactors at Fukushima Daiichi have been
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Fukushima 3rd Anniversary; Unit 1 Technical Report
With the 3rd anniversary of the 3-11 triple disaster approaching we have taken a look at the changes that have
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TEPCO Fails To Release Portion Of Unit 1 Torus Inspection
TEPCO recently released videos and reports of their work in the unit 1 torus room. The work was split into
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Unit 1 Torus Investigation Nov 2013; Initial Findings
TEPCO has done an inspection of Unit 1’s torus room, this time with a floating robot boat. TEPCO released most
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Unit 1 Leaks Found; We Have The Details
TEPCO has investigated the torus room of unit 1 with the new boat robot. This was an effort to look
Read moreAmazing New Images Inside Unit 2 Containment
TEPCO finally released the video of the pedestal inspection of unit 2. This showed more than the initial images given
Read moreUnit 1 Access Hatch Inspection Gives Clues
TEPCO sent a pair of robots in to inspect the personnel access hatch for unit 1 recently. Upon reviewing the
Read moreUnit 1 Torus Radiation Shows Possible Source Location
TEPCO recently inspected the unit 1 torus room for a second time as we reported here. Workers involved in the
Read moreUnit 1; Post Quake Reaction & Torus Oddity Indicate Larger Problem
We have reported extensively about a phenomenon going on inside unit 1 since the accident. Whenever there is a strong
Read moreUnit 1, Where The Melted Fuel Is
Update: The source for unit 1 torus radiation had an incorrect link. The correct link has been added to the
Read moreUnit 1 Containment Scope New Images & Video
TEPCO has released more information about the ongoing inspection of unit 1 this week. Water was found inside at about
Read moreTEPCO Unable To Find Water Level Inside Unit 1
The initial inspection today of unit 1 containment was unable to find the water level inside containment according to 47
Read moreUnit 1 Torus Inspection: Analysis & New Additional Images
The SimplyInfo team has been reviewing TEPCO’s latest effort to inspect unit 1 at Fukushima Daiichi. Work was done by
Read moreUnit 2 Scope Inspection Soon, Unit 4 Spent Fuel Removal Sept 2013
Worker tweets (below) confirm that the endoscope inspection of unit 2 will be happening soon. The work will be done
Read morePeer Review: Email about roadmap and accident details at Unit 1
From: Genn Saji Subject: Earthquake (170, Dec 16-23) Date: Sun, 25 Dec 2011 13:03:34 +0900 Dear Colleagues: 280th – 287th
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SimplyInfo.org; TEPCO Shows Fatal Reactor Design Flaw At Fukushima Daiichi
An inspection of Fukushima Daiichi unit 2 in June of 2021 shows a fatal design flaw of the BWR reactors
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Fukushima Daiichi Earthquake Damage Update 3.30.21
Inspections and response efforts from the February 2021 earthquake were still underway when another earthquake hit on March 20th. Due
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SimplyInfo.org Annual Report; Plant Facilities
This is one section of our annual report, the full report can be found here. We will be posting a
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Fukushima Unit 3 – New Unanswered Questions
The new inspections at Fukushima unit 3 by Japan’s nuclear regulator (NRA) has raised new questions and brought some old
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TEPCO Confirms Fuel Microparticles At Daiichi Reactors
TEPCO has confirmed new details about the existence of fuel microparticles at the three reactors that suffered meltdowns. Deeper detail
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Fukushima Daiichi Debris Samples Reveal Dangerous Link
A detailed TEPCO document from July 2018 gives some important new insight into the meltdowns at Fukushima Daiichi and the
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Fukushima Fuel Debris Research Update
TEPCO released a periodic update on the research towards removing the fuel debris from the reactors. The report contained some
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SimplyInfo.org: Unit 2 Fuel Debris Report
New information has been released by TEPCO on unit 2’s missing fuel. This provides significant new clues to the meltdown
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The Plans For Fukushima Fuel Removal 2018
TEPCO and the associated research & decommissioning authorities recently published a new report outlining the effort to collect the remains
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SimplyInfo.org: Fukushima Reactors Face More Setbacks
TEPCO and the decommissioning authorities have reported on the ongoing delays at Fukushima Daiichi. As we reviewed these reports we
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IAEA Report Admits Fukushima Unit 5 Worse Than Previously Stated
Details found in the recent IAEA report on the Fukushima disaster admitted some key information about the events at unit
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Japan’s Nuclear Restarts; BWR Restart Following Extended Shutdown Report
BWR RESTART FOLLOWING EXTENDED SHUTDOWN By Dean Wilkie All of the reactors in Japan were shut down subsequent to the
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SimplyInfo.org Fukushima Disaster Four Year Report
It has been four years since the massive triple disaster struck Japan. In some ways much has changed, in others,
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SimplyInfo.org Fukushima Daiichi Unit 2 Extended Report 2015
SimplyInfo.org Fukushima Daiichi Unit 2 Report 2015 By The SimplyInfo Research Team Dean Wilkie – Author Edano San MD –
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Fukushima Roadmap Update Shows Changes At Disaster Site
METI released a new roadmap document for Fukushima Daiichi. Most of it is repeats of old information. There were a
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