TEPCO New Video; Unit 1 Needed Venting Again Weeks After Disaster
In a new video release by TEPCO, managers discussed venting the unit 1 reactor again almost two weeks after the
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New Paper: Gamma Radiation Damage To Fukushima Units 1- 4 Spent Fuel Pools
fukuleaks.org/web has released another new paper taking an in depth look into the ongoing challenges at the Fukushima Daiichi nuclear
Read moreWhat The Melted Fuel At Fukushima Unit 1 Looked Like In The Pedestal
A recent report by Sandia National Lab indicated that about 140,000kg of melted fuel and debris was released out of
Read moreTEPCO Restarts Nitrogen Injection In Unit 1 Suppression Chamber
From today’s TEPCO report, they intend to restart nitrogen injection into the torus (suppression chamber). This has been done frequently
Read moreFire Risk At Older Japan Reactors Shows Potential Worldwide Problem
The NRA announced recently that reactors built before 1975 likely have sub standard fire protection designs. This includes having important
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 moreHydrogen Stays Elevated At Unit 1 Fukushima Daiichi
Hydrogen in the containment of unit 1 has continued to be elevated as they work to purge hydrogen from the
Read moreUnit 1 Refueling Floor Video & Exclusive New Photos
TEPCO’s lightbulb balloon inspection of the refueling floor did result in some interesting findings. The overhead crane was found to
Read moreTEPCO Trying To Remove Hydrogen From Torus
This was initially reported in a TEPCO roadmap report that they were monitoring a pocket of hydrogen that has developed
Read moreTEPCO’s Lightbulb Balloon Inspects Upper Floors
TEPCO did another inspection of unit 1. They previously used a balloon that looked like a beach ball to float
Read moreUnit 1 Torus Gas Inspection
TEPCO posted a section in a larger roadmap in Japanese about an investigation into the torus of unit 1 over
Read moreFire At Daiichi Near Unit 1 & 2 Switching Station
Last night Yushi (@Yuushi420) reported fire trucks headed somewhere through Okuma and Tomioka. “bus home from 1F. I passed quite
Read moreNew Large Debris Found Inside Unit 1 Containment
Videos released by TEPCO yesterday included a scope investigation underwater. The water itself was surprisingly clear with a small layer
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 moreTEPCO To Do More Inspections In Unit 1 Containment
Kyodo News is reporting TEPCO will do a series of inspections this week at unit 1 to look inside containment
Read moreAdditional Analysis Of Unit 1 Containment Inspection
Workers did a brief inspection inside the containment of unit 1 earlier this week. We reported the initial findings yesterday.
Read moreUnit 1 Containment Inspection Shows Explosive Debris
TEPCO installed an inspection hole in containment penetration X-100B above the equipment hatch near the monorail. They took a brief
Read moreHydrogen Increases At Unit 1 Daiichi
On September 5th hydrogen concentrations in Unit 1 jumped to .54%, the reading the previous day showed 0% hydrogen for
Read moreTEPCO To Send Robots Into Unit 1 TIPS Room
TEPCO has announced they will send robots into unit 1’s TIPS room. A previous set of radiation readings from October
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 morePEER REVIEW: Unit 1 Video Stills Roof
Unit 1 video from October 2011. Click on the images for larger versions. They seem to spend lots of time
Read moreWorkers Inspect Inside Unit 1
Video has been released of the an extended entry into unit 1 on October 18th. Previously, workers had expressed concerns
Read moreTEPCO Confirms Steam Leaking Out Of Ground
TEPCO has admitted to the issue of steam leaking out of the ground around Unit 1. Water in the basement
Read moreTime Lapse Video Of Unit 1 Cover Construction
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Read moreFraming Around Unit 1 Complete: Time-lapse Video
The presence of the TEPCO live webcam of the Daiichi site has allowed us to watch the slow process of
Read moreNuclear Expert Warns Unit 1 Fuel May Be Out Of The Reactor Building
We documented in mid-August that the melted reactor fuel (corium) may have relocated and could be leaving the unit 1
Read moreLarge Ground Fissure Found Near Unit 1 Fukushima Daiichi
fukuleaks.org/web researcher Elaine Kirk found this image that was posted on the TEPCO website on June 14th of Unit #1
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