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2024.3.18
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 Fukushima Daiichi Nuclear Power Station Unit 1 Primary Containment Vessel Internal Investigation (Non-Submerged Area) Status Inside the Pedestal
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2022.4.13
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 Commencement of installation of large cover in preparation for the removal of spent fuel from Fukushima Daiichi Nuclear Power Station Unit 1 (Anchor drilling)
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2022.3.24
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 Implementation Status of Unit 1 Primary Containment Vessel Internal Investigation (ROV-A2) (work conducted between March 14~16) at the Fukushima Daiichi Nuclear Power Station
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2022.2.10
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 Implementation Status of the Unit 1 Primary Containment Vessel Internal Investigation (As of February 10) at the Fukushima Daiichi Nuclear Power Station
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2022.2.9
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 Implementation Status of the Unit 1 Primary Containment Vessel Internal Investigation (As of February 9) at the Fukushima Daiichi Nuclear Power Station
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2020.6.11
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 Completion of air mortar injection into the Fukushima Daiichi Nuclear Power Station Unit 1 SFP cover bag
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2017.4.7
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 Unit 1 Primary Containment Vessel Internal Investigation（deposition sample collection）
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2017.4.3
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 Unit 1 Primary Containment Vessel internal investigation (State of the field work)
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2017.3.27
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 Unit 1 Primary Containment Vessel Internal Investigation
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2017.3.23
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 Progress of Unit 1 PCV internal investigation (Preliminary report of March 22 investigation)
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2017.3.22
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 Progress of Unit 1 PCV internal investigation (Preliminary report of March 21 investigation)
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2017.3.21
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 Progress of Unit 1 PCV internal investigation (Preliminary report of March 19 and 20 investigations)
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2017.3.19
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 Progress of Unit 1 PCV internal investigation (Preliminary report of March 18 investigation)
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2017.3.18
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 Progress of Unit 1 PCV internal investigation (Beginning of the investigation)
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2016.11.10
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 Removal of all wall panels (18 in total) from the Unit 1 reactor building cover completed at Fukushima Daiichi Nuclear Power Station
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2016.10.7
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 Removal of the 8th wall panel over Unit 1 reactor building at Fukushima Daiichi Nuclear Power Station
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2016.9.26
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 Radiation Dose Survey for the Units 1-2 Exhaust Stack at Fukushima Daiichi Nuclear Power Station
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2016.9.13
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 First Wall Panel Removal from Unit 1 Building Cover at Fukushima Daiichi Nuclear Power Station
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2016.4.6
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 Start of Nozzle Unit Installations for Mist Sprinkler Associated with the Dismantling of Unit 1 Reactor Building Cover
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2015.11.18
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 Training to Remove Obstacled Steel Frames Using the Mock-up Facility for Unit 1 Reactor Building of the Fukushima Daiichi Nuclear Power Station
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2015.10.6
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 Completion of Roof Panel Removal from Unit 1 Building Cover at Fukushima Daiichi Nuclear Power Station
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2015.7.28
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 Removing roof panels of Unit 1 reactor building cover at Fukushima Daiichi Nuclear Power Station (the 1st panel)
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2015.5.22
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 The Balloon Sliding Off the 3rd Floor Equipment Hatch inside Unit 1 Reactor Building at Fukushima Daiichi Nuclear Power Station
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2015.5.15
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 Start Dismantling Unit 1 Reactor Building Cover <Start Sprinkling Anti-scattering Agent>
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2015.4.20
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 "Development of a technology to investigate inside the Reactor Primary Containment Vessel (PCV)"- Results of follow up check after the site test "Investigation B1"on grating around the pedestal inside Unit 1 PCV - [Report for April 18 and April 19, 2015]
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2015.4.17
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 (4/20 video added) "Development of a technology to investigate inside the Reactor Primary Containment Vessel (PCV)" - Site test "Investigation B1" on grating around the pedestal inside Unit 1 PCV - [Prompt report for April 16, 2015]
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2015.4.16
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 (4/17 video added) "Development of a technology to investigate inside the Reactor Primary Containment Vessel (PCV)" - Site test "Investigation B1" on grating around the pedestal inside Unit 1 PCV -[Prompt report for April 15]
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2015.4.13
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 "Development of a technology to investigate inside the Reactor Primary Containment Vessel (PCV)" -Site test "Investigation B1" report on grating around the pedestal inside Unit 1 PCV-
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2015.4.10
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 "Development of a technology to investigate inside the Reactor Primary Containment Vessel (PCV)"‐Site test "Investigation B1" report on grating around the pedestal inside Unit 1 PCV‐(Prompt report of inspection commencement on April 10, 2015)
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2015.3.19
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 Reactor Imaging Technology for Fuel Debris Detection by Cosmic Ray Muon, Measurement Status Report in Unit-1
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2015.2.22
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 [Technical Committee on Nuclear Power Safety Management in Niigata Prefecture] Explanation on the 4th floor investigation of the Unit 1 reactor building at Fukushima Daiichi NPS
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2015.2.9
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 Development for fuel debris detection technology for reactor at Fukushima Daiichi Nuclear Power Station (Unit 1)
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2014.12.20
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 Spraying Anti-scattering Agents and Survey Result for Unit 1 Building Cover Demolition
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2014.12.4
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 Restoring roof panels for the demolition of Unit 1 reactor building cover at Fukushima Daiichi NPS
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2014.11.10
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 Removing the roof panels of Unit 1 reactor building cover (the 2nd panel)
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2014.10.31
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 Removing the roof panels of Unit 1 reactor building cover (the south 3 roof panel)
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2014.10.28
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 Enlarged Opening on the Roof Panels at the Demolition Work of Unit 1 Reactor Building Cover
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2014.10.22
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 Dismantling of Unit 1 reactor building cover
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2014.5.30
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 Demonstration test of survey equipment for the upper part of S/C (Pressure Suppression Chamber) at Unit 1 of the Fukushima Daiichi Nuclear Power Station.
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2014.5.27
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 Results of Investigation on Upper Parts of S/C of Unit 1 at Fukushima Daiichi NPS
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2014.2.7
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 Verification test of decontamination device for lower place under a national project of "Development of Remote Decontamination Technology in the Reactor Building" (Suction/blast device)
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2013.12.6
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 Measuring Radiation Dose at the Lower Part of Unit 1 and 2 Exhaust Stack in Fukushima Daiichi NPS
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2013.12.6
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 (A video was added on December 13)Results of Investigation into Building Frames around Unit 1 Reactor Building Equipment Hatch at Fukushima Daiichi NPS
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2013.11.14
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 Results of Investigation around Lower Parts of Unit 1 Vent Pipes at Fukushima Daiichi NPS(Second Day)
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2013.11.13
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 (A video was added on November 15) Results of Investigation around Lower Parts of Unit 1 Vent Pipes at Fukushima Daiichi NPS(First Day)
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2013.9.18
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 Fracture Found on Steel Members (Diagonal Bracings) in the Intermediate Section of the Exhaust Stack for Units 1 and 2 at Fukushima Daiichi NPS
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2013.9.18
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 Investigation into Building Frames around at Unit 1 Reactor Building Equipment Hatch at Fukushima Daiichi NPS
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2013.9.4
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 Investigation Results of Groundwater Inflow at Unit 1 Turbine Building and the Miscellaneous Solid Waste Volume Reduction Treatment Building (High Temperature Incinerator Building) in Fukushima Daiichi Nuclear Power Station
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2013.5.9
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 Dismantlement of Unit 1 Reactor Building Cover for Fuel Removal at Fukushima Daiichi Nuclear Power Station
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2013.4.9
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 Results of Investigation of the Personnel Access Lock Room on the First Floor of Unit 1 Reactor Building at Fukushima Daiichi Nuclear Power Station
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2013.3.28
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 The fourth floor of Unit 1 Reactor Building at Fukushima Daiichi Nuclear Power Station (March 28, 2013)
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2013.2.22
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 Investigation of Unit 1 Torus Room at Fukushima Daiichi Nuclear Power Station (Day 2)
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2013.2.21
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 Investigation of Unit 1 Torus Room at Fukushima Daiichi Nuclear Power Station (Day 1)
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2013.2.15
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 Investigation of the fourth floor of Unit 1 Reactor Building at Fukushima Daiichi Nuclear Power Station(Video on Nov 30, 2012)
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2013.2.14
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 Drilling Holes for the Investigation of Unit 1 Torus Room at Fukushima Daiichi Nuclear Power Station
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2013.2.7
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 Video of the inside of the Unit 1 Reactor Building at Fukushima Daiichi Nuclear Power Station shown to the investigative panel appointed by the parliament on February 28, 2012 (Videotaped on October 18, 2011)
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2013.2.1
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 Photos of the Accident at Fukushima Daiichi Nuclear Power Station (Publicized on February 1, 2013)
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2012.12.3
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 National Academy of Science USA Visiting Fukushima Daiichi Nuclear Power Station
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2012.10.24
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 Results of Reinvestigation of Unit 1 Operation Floor at Fukushima Daiichi Nuclear Power Station
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2012.10.19
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 Fire Occurred Near Units 1-2 Ultrahigh Voltage Switchyard (Outdoor) at Fukushima Daiichi Nuclear Power Station
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2012.10.15
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 Investigation of the Inside of Unit 1 PCV at Fukushima Daiichi Nuclear Power Station (October 12,13)
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2012.10.12
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 Investigation of inside of the PCV of Unit 1, Fukushima Daiichi NPP
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2012.10.11
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 Investigation of inside of the PCV of Unit 1, Fukushima Daiichi NPP
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2012.10.10
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 Investigation of inside of the PCV of Unit 1, Fukushima Daiichi NPP
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2012.9.27
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 Punching an Access Hole at the Penetration of Unit 1 PCV at Fukushima Daiichi Nuclear Power Station
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2012.9.11
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 (39)Unit 1 and 2 Ultraigh Voltage Switchyard Area (Inside)
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2012.9.11
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 (38)Unit 1 and 2 Ultraigh Voltage Switchyard Area (Outside)
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2012.9.11
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 (36)Unit 1 Transformer Area
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2012.9.11
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 (34)Around the Unit 1 Large Equipment Hatch
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2012.9.11
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 (29)Sea side area of Unit 1
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2012.9.11
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 (24)Inside the Unit 1 Power Source Room
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2012.9.11
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 (15)The Situation at Fukushima Daiichi Nuclear Power Station after the explosion of Unit 1,3 and 4.
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2012.9.11
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 (7)Appearance of Unit 1 after the explosion
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2012.9.11
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 Decrease in the Reactor Injection Amounts at Unit 1-3 at Fukushima Daiichi Nuclear Power Station (Follow-up Report)
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2012.8.8
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 Result of Investigation on Unit 1 Operating Floor at Fukushima Daiichi Nuclear Power Station
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2012.7.5
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 Investigation Result of Unit 1 Reactor Building TIP Room and South Area at Fukushima Daiichi Nuclear Power Station
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2012.6.27
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 Fukushima Daiichi Nuclear Power Station Unit 1 Reactor Building Torus Room Investigation Result (June 26, 2012)
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2012.5.25
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 【Video】"Development of Remote Decontamination Technology in the Reactor Building" Robot Investigation Results of Unit 1 Reactor Building
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2012.3.2
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 Result of Visual Inspection of Inside of Primary Containment Vessels at Fukushima Daini Nuclear Power Station
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2012.2.24
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 TEPCO's explanatory material for the workshop of technique catalogue related to equipment/device development for preparation of fuel debris removal towards the decommissioning of Fukushima Daiichi Nuclear Power Station
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2012.1.26
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 Response training to abnormal conditions that occurred at Spent Fuel Pool per the Safety Regulation
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2012.1.20
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 Current Status of Fukushima Daiichi Nuclear Power Station by photographs
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2012.1.16
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 Scenery of obstacle removal by crane barge at intake cannel of Unit 1 to 4
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2011.12.17
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 Current view of Fukushima Daiichi Nuclear Power Plant
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2011.11.30
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 Establishment of New Routes for Nitrogen Injection into RPV at Units 1-3 of Fukushima Daiichi Nuclear Power Station
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2011.11.2
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 Overview of the blocking operation of the units 1 - 4 openings
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2011.10.28
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 Ancillary facilities for cover panels of Unit 1(Completion of Cover Construction at Reactor Building of Unit 1 of Fukushima Daiichi NPS)
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2011.10.21
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 Isolation Condenser of Unit 1, Fukushima Daiichi Nuclaer Power Station
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2011.10.15
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 Result of temperature measurement by infrared camera from right above the reactor
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2011.10.14
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 Survey results of pipe penetration on 1st floor of Unit 1 reactor building
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2011.10.14
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 Completion of installing the roof panel of the cover for the reactor building at Unit 1
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2011.10.11
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 Overview of dust sampling at the openings of Unit 1 Reactor Building in Fukushima Daiichi Nuclear Power Station
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2011.10.10
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 1st floor of Reactor Building, Unit 1, Fukushima Daiichi Nuclear Power Station Cutoff operation for a spray system pipe of RPV
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2011.10.10
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 1st floor of Reactor Building, Unit 1, Fukushima Daiichi Nuclear Power Station Cutoff operation for a spray system pipe of RPV
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2011.10.8
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 Situation of Upper Part of Unit 1 Reactor Building, Fukushima Daiichi Nuclear Power Station
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2011.10.8
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 Status of Fukushima Daiichi Nuclear Power Plants shown in photos
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2011.10.8
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 Installation Work of Roof Panels for Reactor Building Covers at Unit 1 of Fukushima Daiichi Nuclear Power Plant
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2011.9.17
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 Fukushima Daiichi Nuclear Power Plant Photo Collection
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2011.9.12
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 A view of dust sampling at the upper part of the Reactor Building of Unit 1 at Fukushima Daiichi Nuclear Power Station
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2011.9.10
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 Fukushima Daiichi Nuclear Power Station Dust sampling instrument for opening of Units 1 and 3 nuclear reactor buildings
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2011.9.10
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 Unit 1, Fukushima Daiichi NPS, Construction of steel erection for cover of reactor building completed
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2011.9.9
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 Current situation of outdoor water exposure Fukushima Daiichi Nuclear Power Station
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2011.8.30
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 Dust-sampling Opening of Reactor Building of Unit 1and 2, Fukushima Daiichi Nuclear Power Station
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2011.8.10
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 Status of iron frame construction for the reactor building cover of Unit 1 at Fukushima Daiichi Nuclear Power Station
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2011.8.5
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 Stack drain pipe of exhaust stack of Units 1 and 2
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2011.8.3
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 Place where high radiation dose was detected, Unit1, at Fukushima Daiichi Nuclear Power Station
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2011.8.2
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 Main Exhaust Stuck of Unit 1/2
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2011.7.29
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 Rest area on the 2nd floor of Unit1/2 Service Building
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2011.7.29
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 Rest area for construction of covers of Unit1 Reactor Building(Shimizu Corporation)
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2011.7.26
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 Installation of reactor building cover Unit 1, Fukushima Daiichi Nuclear Power Station
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2011.7.7
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 Trial fitting of the cover for Unit 1, Fukushima Daiichi Nuclear Power Station at Onahama port
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2011.6.23
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 Picture regarding sampling of radioactive materials in the air above reactor building of Fukushima Daiichi Nuclear Power Station Unit 1
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2011.6.14
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 Outline of Fukushima Daiichi Nuclear Power Plant unit1reactor building covering plan
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2011.6.4
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 Fukushima Daiichi Nuclear Power Station Temporary reactor pressure indicators
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2011.6.4
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 Confirmation of steam situation at a reactor building of Fukushima Daiichi Nuclear Power Plant Unit 1
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2011.5.28
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 Spraying dust inhibitor at Fukushima Daiichi Nuclear Power Station
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2011.5.24
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 Picture regarding sampling of radioactive materials in the air above reactor building of Fukushima Daiichi Nuclear Power Station
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2011.5.17
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 Fukushima Daiichi Nuclear Power Station Current status of restoration work
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2011.5.12
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 Inspection Status of the Indicator (Water level indicator A, fuel area) at Unit 1, Fukushima Daiichi Nuclear Power Station
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2011.5.9
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 North side of the second floor ，Northwest side of the first floor(Fukushima Daiichi Nuclear Power Station Unit1)
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2011.5.8
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 Fukushima Daiichi Nuclear Power Station Status of Improved Working Environment Inside of Reactor Building of Unit 1-First Floor of Turbine Building of Unit 1
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2011.5.6
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 Inside the reactor building of Fukushima Daiichi Nuclear Power Station Unit 1
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2011.5.5
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 The ambient air filtration system (Alara Venti Jumbo)
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2011.5.3
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 Site observation by the packbot in the nuclear reactor building of Unit 1
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2011.4.29
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 Site observation by the packbot in the nuclear reactor building of Unit 1
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2011.4.27
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 Movies taken from T-Hawk
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2011.4.27
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 Site observation by the packbot in the nuclear reactor building of Unit 1
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2011.4.20
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 The photos were taken by the Packbot inside the nuclear reactor building of Fukushima Daiichi Nuclear Power Station(video)
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2011.4.19
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 The photos were taken by the Packbot inside the nuclear reactor building of Fukushima Daiichi Nuclear Power Station(picture)
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2011.4.16
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 Movies taken from T-Hawk, Reactor Building, Unit 1, 3,4 Fukushima Daiichi Nuclear Power Station
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2011.4.15
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 A picture taken from T-Hawk, Reactor Building, Unit 1, Fukushima Daiichi Nuclear Power Station
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2011.4.12
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 Fukushima Daiichi Nuclear Power Station(When fire was detected, After initial extinction, Before installing steel water bars, Sampling of water from the spent fuel pool)
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2011.4.11
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 Motion pictures of Fukushima Daiichi Nuclear Power Station
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2011.3.24
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 Control room for Unit 1 of Fukushima Daiichi Nuclear Power Station
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2011.3.16
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 Unit 1 - 4 of Fukushima Daiichi Nuclear Power Station
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2011.3.11
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 Unit 1 of Fukushima Daiichi Nuclear Power Station
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