TEPCO Documents Newer Than April 2013 Can Be Found Here:
*If you need downloadable copies of any of these documents, contact us.
SimplyInfo.org TEPCO Document Dropbox Archive
TEPCO reports to the IAEA Chapter 1 | Chapter 2, | Chapter 3 | Chapter 4 | Chapter 5 | Chapter 6 | Chapter 7 | Chapter 8 | Chapter 9
TEPCO IAEA report in one document
September updates to IAEA Chapter 1, | Chapter 2, | Chapter 3, | Chapter 4 | Chapter 5 | Chapter 6 | Chapter 7 | Chapter 8 | Chapter 9
TEPCO unit 1 temp data for May
TEPCO Site Radiation Survey Maps – List
TEPCO – Seismic information not taken into account during Fukushima Daiichi and Daini construction
TEPCO – Current seismic safety and reinforcement of reactor buildings at Fukushima Daiichi
TEPCO – Roadmap towards restoration appendix 2
TEPCO – Overview of fault investigation regarding Yunodake fault
TEPCO – Observed seismic data of the Tohoku-Taiheiyou-Oki earthquake at Daiichi & Daini
TEPCO – Unit 1 earthquake response analysis of reactor building, equipment & piping, etc.
November 2013:
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Launch November’s TEPCO Archive
April 2013
ALPSfailure_handouts_130404_02-e
countermeasures_handouts_130417_02-j emergencyresponse_handouts_130408_02-e
fish_130412-e
fish_130426-e
fish_handouts_130426_03-e
Fukushima reservoir tank may have leaked contaminated water _ Kyodo News
groundwaterdiversiontesting_handouts_130426_02-j
marinetransit_handouts_130327_01-e
MSIVinspectionu2_handouts_130416_06-e
new_radprotectiontules_handouts_130328_01-e
ocean_soil_130415-e
pond_details_handouts_130409_07-e
pondgraphhandouts_130410_03-j
pondleaks_handouts_130411_03-j
pondleaks_handouts_130415_05-e
pondradschosui_13041001-j
ponds_transferplan_handouts_130408_03-e
pondstatistics_handouts_130407_01-e
pondworkhandouts_130412_07-e
portconcrete_handouts_120718_02-e
Radiationoutsideponds_chosui_130408-e
rats_ handouts_130422_02-e
rats_handouts_130422_06-e (1)
roadmap_m120625-e
tank3leaking_handouts_130407_03-j
TEPCO _ Water Leak from the Underground Reservoir No.2 in Fukushima Daiichi Nuclear Power Station (Follow-up Information No
TEPCO _ Water Leak from the Underground Reservoir No.2 in Fukushima Daiichi Nuclear Power Station (Follow-up Information No2
TEPCO _ Water Leak from the Underground Reservoir No
U2_guidepipe_handouts_130426_08-e
U2_torusinsp_handouts_130412_08-e
U3_skimmerhatch_handouts_130419_05-e
WaterPondTransfer_chosui_13040902-e
waterstoragecapacity_handouts_130409_09-e
WaterTankBackgroundInfo_130406_05-j
watertransferplanponds_handouts_130410_08-e (1)
February – March 2013
bypasswater_handouts_130327_03-e
CaskstorageSafetyPlan130312j0301
contaminatedwatertesting_handouts_130329_01-e
CurrentWorkerExposures_130131e0101 (1)
Daiichi_Dainni_fallout_130222-e
fish testinghandouts_130228_02-e
fish_130208-e
fish_readings_handouts_130228_03-e
Fuku_power_water_diagrams_N11-02_TEPCO_IEEEpresenkawanorev8
FUKUDemolitionToIAEA_Suzuki_d
FukuRadiationReadingsPlantGrounds_f1-sv2-20130307-e
intake_canal_130312-e
MastinspectionU3_handouts_130213_01-e
mouse_handouts_130320_03-j
Photodumpimagelist_handouts_130201_01-j
Powerlineschematic_handouts_130325_04-e
radiationreadings_f1-sv3-20130322-j
ratpowerout_handouts_130320_02-e
Reactor_Core_Status_U1_110515e10
ReactorstateTimelines110524e13
seawater_130315-e
shinfukushima_110516e19
SR90_nearfuku_soil_130307-e
strontium_soil_130307-e
TEPCO _ Press Release _ The Estimated Amount of Radioactive Materials Released into the Air and the Ocean Caused by Fukushima Daiichi (As of May 2012)
TEPCOinjectnitrogenU1torusFeb26_2013
TEPCO_HPCI_handouts_110728_04-e
TEPCOtimeline110618e15 (1)
TEPCOtimeline110618e15+%281%29.unlocked (2)
TIPSprobe_handouts_130301_04-j
tritium_handouts_130228_04-e
TrussRemovalU3_piece_broke_handouts_130206_01-e
U1_containmentwaterlevel_handouts_121015_05-e
U1_datarecorder_f1_6_Katogensho1
U1_torusday1_handouts_130220_02-e
U1_torusday2_handouts_130222_05-e
U1radsallfloorsf1-sv3-20130227-e
U2_inspectionContainment_handouts_130319_03-e
U2_march6_torusinspection_handouts_130306_02-j
U2_torus_finalinspection_handouts_130315_01-e
U2_torus_handouts_130314_01-e
U2_torusinspection_handouts_130305_01-e
U2_torusinspection_handouts_130313_03-e
U2blowoutpanel_handouts_130306_01-e
U2torusholeinsp_handouts_130322_02-e
U3_wastestorageleak_handouts_130304_01-e
U3beamremoval_]handouts_120924_03-e
U3cranelocation_handouts_121015_01-e
U3desalination_handouts_130318_01-e
U3mastfallintopool_handouts_120208_02-e
U3mastlocation_handouts_120213_01-e
U3poolmap_handouts_121015_01-e
3sfpvideos_handouts_130221_01-e
U4_soundness_handouts_130213_02-e
Unit 2 CRD Scope handouts_130301_02-e
watertesting_intake_canal_130312-e
January 2013
AirSamplingBuildings_130123-e
commonpoolfire130124e0101
DecontaminationMachineRepair_handouts_121227_01-e
DisasterOverviewDocf12np-gaiyou_e_1
execreorg121226e0201
groundwaterbypassupdate_handouts_130128_04-e
U3_PCV_pipehandouts_130128_02-e
U3_ventupgrade_handouts_130128_02-e
U4_coverbuildinginstall_handouts_130108_01-e
U4coverconstruction_handouts_130115_01-e
WaterReadings_water_130111-e
watertransfer130123e0301
U3_SGTSvalvestate_handouts_111226_01-e
U4_SGTSvalvestate_handouts_110827_02-e
December 2012
AccidentProgression_121214e0202
CommonPoolInspection_handouts_121220_01-e
CommonPoolPaperTapeData_f1_2_ChartC
contract_workershandouts_121203_01-e
DecommChanges_handouts_121114_01-e
equipmentnameposition121203j0101
MidTermUpdatehandouts_121114_01-e
RoadmapUpdateSept2012_m120924-e
seismicanalysis121225j0101unlocked.1-100.1-50
seismicanalysis121225j0101unlocked.1-100
seismicanalysis121225j0101unlocked.101-334
seismicanalysis121225j0101unlocked
seismicsafetyreportpressreleaseDec2012
SFPracksCommonPool_handouts_121220_01-e
solidwall_handouts_121226_01-e
TEPCO_cask_fuelcycle_6-1_powerpoint
TEPCO_Cask_Testing_handouts_121217_02-j
TEPCOaccidenttimeline_121214e0202
TEPCOreviewactions_121214e0201
U3_beamremoval_handouts_121220_03-j
U3_leakyhoses_handouts_121212_01-e
U3_SFP_cleanout_handouts_121219_02-e
U4_structuralheatanalysis_handouts_121225_01-e
U5_6_maintenanceplan121227e0401
WHOexposure_handouts_121206_01-e
November 2012
DainiMarch2011rads_handouts_121119_02-j
Unit 3 PCV Gas Control System Duct Inspection at Fukushima Daiichi handouts_121126_02-e
Unit 3 PCV Gas Duct & Hatch Inspection handouts_121128_01-j
Third Soundness Inspection of Unit 4 Reactor Building at Fukushima Daiichi handouts_121129_01-e
October 2012
handouts_110923_02-e unit 1 hydrogen in pipe system 9-2011
handouts_121003_01-e Unit 2 RPV Alternative Thermometer Installation
handouts_121015_02-e The Water Leakage at the Accumulated Water Transferring Pipe in Unit 3 Turbine Building
September 2012
Detection of Xe135 at Nuclear Reactor of Unit 2, 111104e19
福島第一原子力発電所の原子炉建屋の現状の 耐震安全性および補強等に関する検討に係る報告書120830j0201
data_1u_g-e Unit 1 data Sept 2012
Timeline RoadMap Japanese m120924_05-j
August 2012
Overview of TV conference system handouts_120809_10-e
Investigation of unused fuel from unit 4 handouts_120829_01-e
Radiation readings at Fukushima Daiichi in Japanese handouts_120802_01-j
Earlier investigation of unused fuel from unit 4 handouts_120828_01-e
Marine Soil Testing Fukushima Daiichi August 2012 handouts_120830_01-e
TEPCO _ Press Release _ Daiichi_WaterFlowIssue(Daily Report as of 3_00 PM, August 31)
July 2012
Fukushima Nuclear Accident Analysis Report June 2012 120620e0102
Unit 4 Spent Fuel Pool Alternative Cooling System Suspended at Fukushima Daiichi Nuclear Power Station (June 30,2012) handouts_120702_01-e
Unit 2 Spent Fuel Pool Desalination Completed handouts_120702_02-e
Smoke Coming out from the Compressed Air System (IA system) Control Panel at Unit 6 Turbine Building Basement handouts_120702_03-e
Unit 1 Reactor Building First Floor TIP Room and South Area Inspection (July 4, 2012) handouts_120703_01-e
Completion of Debris Removal from the Upper Part of Unit 4 handouts_120711_01-e
Unused Fuel Removal from Unit 4 Spent Fuel Pool handouts_120719_02-e
Marine Soil Sampling Locations in the Port of Fukushima Daiichi Nuclear Power Station handouts_120720_01-e
Documents Used in “TEPCO Fukushima Daiichi Nuclear Power Station Accident Technical Workshop” handouts_120723_05-e
Documents Used in “TEPCO Fukushima Daiichi Nuclear Power Station Accident Technical Workshop” handouts_120724_02-e
June 2012
Result of Water Level Measurement at Unit 2-3 Torus Room handouts_120607_02-e
Fukushima Daiichi Nuclear Power Station Unit 2 Reactor Building Inspection handouts_120612_01-e
Fukushima Daiichi Nuclear Power Station Unit 2 S/C Water Level Measurement by an Infrared Camera handouts_120612_04-e
Decontamination technology development related to monitoring in Japanese handouts_120615_03-j
May 2012
Soundness Verification Results of Unit 4 5-25 handout
Nuclide Analysis Results of Fish and Shellfish June 2012 handouts fish sampling
Fukushima Daiichi Nuclear Power Station Unit 3 First floor of the reactor building TIP findings indoor environment in Japanese TEPCO_U3TIPSRobot_120524_08-j
Unit 3 TIPS Room handouts_120524_08-j
March 2012
TEPCO_MAAP_handouts_120312_04-e
January 2012
Installation of Multi-nuclide Removal Equipment m120123_03-e (1)
December 2011
tempgashandlingsys_handouts_111208_01-e
November 2011
MeltdownAnalysis_handouts_111130_04-e
September 2011
SeaWaterInj_handouts_110909_06-e
August 2011
TEPCOAug_RadDataWorkers1110812d
July 2011
Reactor status tape data released by TEPCO
June 2011
SeaWater2_110613sanko_table_tyusui-e
May 2011
March 2011
Pre-Disaster TEPCO Documents
2010, Nov. 30 Press Release Unit 4 goes out for maintenance.
https://docs.google.com/file/d/1G4CguHSJX-aWhkvw15drEmfA1eaDXIBg_p46u9DjQCKhnpiV83NMu8jTBHX8/edit
TEPCO earthquake tests
TEPCO safety retrofits
TEPCO 2010 report talks about extensive retrofits at another of their NPP’s but only mentions working on an interim study to do work in the future at Fukushima.
A March 2010 TEPCO report of testing phase on page 11 of the document.
A May 2010 document safety retrofits done at Fukushima by 2009
undated page from the completion of the earthquake resistant building at Fukushima but mentions the completion of no other work,
TEPCO’s most recent Tsunami safety report
TEPCO 2007 statement about Fukushima earthquake stability based on Kashiwazaki NPP
TEPCO 2007 press release about Fukushima related to the 2007 earthquake
2007 report KashiwazakiQuake070810-e
2007 reportKashiwazakiQuakeDamage200709-e
Fukushima Daiichi
Documents of pre-quake testing, events and the history.
Translated into English
What happened to the ostriches?
On-screen equipment overhaul of Unit 4
Local politicians visit the plant
Radiation monitoring at the plant
Children’s ostrich painting contest
Object found in reactor 1 spent fuel pool on inspection
Suppression chamber inspection reactor 3 – purple extension cord pictured?
Reactor 6 shroud inspection, object found in reactor
Reactor 6 aluminum tape found in reactor pressure vessel
Deformed rod assembly washer Reactor 2
Reactor 6 ball bearings found in reactor vessel
Shellfish found in intake screen of reactor 2
Reactor 5 water heater vent pipe corrosion
Reactor 6 control rod drive inspection and foreign objects found in reactor vessel
Reactor 6 radioactive water leak by control rod drives
Reactor 4 foreign objects found in supression chamber
Reactor 3 inspection and MOX fuel load
Reactor 1 sea water intake and piping inspection
Reactor 6 faulty indicator in moisture separator tank between turbines
Reactor 6 radioactive water leak
Reactor 6 radioactive water found in containment
Another radioactive leak at Reactor 6
Even more radioactive water leaks at Reactor 6
Reactor 6, pen, plastic bag and paper towels found in suppression chamber
Reactor 5 radioactive water leak
Reactor 5 leak into drinking water system
Reactor 4 oil leak in reactor building
Reactor 4 spent fuel pool metal shards found in pool
Reactor 3 defects in residual heat removal system valve
Reactor 3 duct tape in the supression chamber
Reactor 3 radioactive leak in turbine building
Reactor 3 leaking transformers
Reactor 2 turbine building leak
Reactor 2 leaking condensation pump
Reactor 1 spent fuel pool leaking
Duct tape found in spent fuel pool reactor 1
Reactor 1 emergency diesel generator failed upon inspection test
Reactor 1 containment leak testing
Reactor 6 heat exchanger foreign objects on inspection
Reactor 6 cooling pump inspection
Reactor 6 cooling pump output valve inspection
Reactor 6 foreign objects in supression chamber
Coolant recirculation coolant pump schematic
Reactor 6 restart after inspection
Reactor 4 debris in spent fuel pool
Reactor 4 metal cover falls into reactor well
Reactor 4 foreign objects in spent fuel pool
Reactor 4 more foreign object in spent fuel pool
Reactor 4 turbine corrosion on inspection
Reactor 3 wire brush pieces found in control rod drive after failed test
Reator 2 pressure test and tour
Reactor 2 deformed fuel assemblies
Reactor 2 problem with steam separator in RPV
Reactor 2 radioactive leak in heat removal system
Reactor 2 transformer replacement
Reactor 2 removed garbage from the intakes
Reactor 1-2 exhaust stack malfunction
Reactor 1 fuel reload
Reactor 1 water level gauge recalibration
Reactor 6 reactor cap inspection
Reactor 6 valve replacement after Hamaoka had damage
Reactor 6 main generator repair
Reactor 6 water pump inspection
Reactor 6 emergency diesel generator inspection
Reactor 6 steam turbine inspections
Reactor 6 steam turbine repair
Reactor 6 main generator repair
Reactor 4 low pressure condensation pump inspection
Reactor 4 high pressure condensation pump inspection
Reactor 4 cracks in the shroud
Reactor 4 more shroud crack inspection
Reactor 4 borate injection system check
Reactor 4 emergency core cooling system check
Reactor 4 emergency diesel generator test
Reactor 3 control rod drive problem
Reactor 3 control rod drive problem part 2
Reactor 3 steam turbine repairs
Reactor 3 circulating water pump test
Reactor 3 turbine feed pump inspection
Reactor 3 steam safety valve inspection
Reactor 3 replace water heater
Reactor 3 water heater degrading
Reactor 3 control rod drive inspection
Reactor 1 control rod drive assembly leak
Reactor 1 leak rate testing and inspection fraud
Reactor 1 nitrogen pressure test
Reactor 1 more on pressure testing
Reactor 1 pressure test specs and schematic
Reactor 1 pressure test post forced shut down
Overview on pressure testing and leakage
Radioactive waste removal from the plant
Security staff combat training
2005 study of leakage in water
Site inspections by local groups
Tours of the plant by local residents
2003 nuclear emergency training
Inspection of control rod drive mechanism in reactors 1, 3, 4
cracks in shrouds and jet pumps at Fukushima
Reactor 3 control rod drive cracks and damage
Reactor 4 emergency preparedness tour
Solidified radioactive waste found
Reactor 6 fuel loading incident
Reactor 5 smoke in turbine building
Reactor 3 control rod drive system damage
Reactor 4 intake screen inspection
Reactor 3 containment removal (notice the images are labled as reactor 5)