What’s New
May 24, 2013
- The 11th meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web. (Available only in Japanese)
- The 22nd meeting of the study team on the new regulation standards for light water nuclear reactors; the provisional record has been posted on web. (Available only in Japanese)
May 23, 2013
May 22, 2013
- The 2nd meeting of the Technical Information Committee; the distributed documents have been posted on web.(Available only in Japanese)
- The 2nd meeting of the Technical Information Committee; the provisional record has been posted on web.(Available only in Japanese)
- The 6th Expert Meeting on the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the provisional record has been posted on web. (Available only in Japanese)
- The 7th NRA Commission Meeting; the destributed documents have been posted on web. (Available only in Japanese)
May 21, 2013
- “The Act on the Regulation of Nuclear Source Material, Nuclear Fuel Material, and Nuclear Reactors”（provisional English translation）(enacted on April 1st, 2013) has been posted on web.
- The 1st meeting of the Committee for the Accident Analysis on the Fukushima Daiichi NPS; the provisional record has been posted on web.(Available only in Japanese)
- The 7th meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
- The 5th meeting of the study team on the new regulation standards for nuclear fuel facilities, etc.; the distributed documents have been posted on web. (Available only in Japanese)
May 20, 2013
- The 6th evaluation meeting on the current status of Units 3 and 4 of Ohi NPS; the distributed documents have been posted on web. (Available only in Japanese)
- The 5th Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the provisional record has been posted on web. (Available only in Japanese).
May 17, 2013
- The 21st meeting of the study team on the new regulation standards for light water nuclear reactors; the provisional record has been posted on web. (Available only in Japanese)
- The 20th meeting of the study team on the new regulation standards for light water nuclear reactors; the provisional record has been posted on web. (Available only in Japanese)
- The 2nd evaluation meeting on the current status of Units 3 and 4 of Ohi NPS; the provisional record has been posted on web. (Available only in Japanese)
- The 10th meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web. (Available only in Japanese)
- The 6th Expert Meeting on the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the distributed documents have been posted on web. (Available only in Japanese)
May 15, 2013
- The 5th Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the distributed documents have been posted on web. (Available only in Japanese).
- The 5th Expert Meeting on the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the provisional record has been posted on web. (Available only in Japanese)
- The 6th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
May 13, 2013
- The 3rd meeting of the study team on the new regulation standards for nuclear fuel facilities, etc.; the distributed documents have been posted on web. (Available only in Japanese)
- Regarding the results of aircraft monitoring measured in the Evacuation Order Zone (Available only in Japanese)
Regarding a newly opened reference room for nuclear-related documents【PDF：66KB】
May 10, 2013
- The 4th evaluation meeting on the current status of Units 3 and 4 of Ohi NPS; the distributed documents have been posted on web. (Available only in Japanese)
- The 3rd evaluation meeting on the current status of Units 3 and 4 of Ohi NPS; the distributed documents have been posted on web. (Available only in Japanese)
May 9, 2013
- The 5th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)
- The 5th Expert Meeting on the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the distributed documents have been posted on web. (Available only in Japanese)
- The English version of the“Outline of New Regulatory Requirements (Design Basis)”, “Outline of New Regulatory Requirements (Earthquakes and Tsunamis)”, and “Outline of New Regulatory Requirements (Severe Accident Measures) have been posted on web. (Provisional translation)
May 8, 2013
- Supplementary documents for chairman’s press conference have been posted on web. (Available only in Japanese)【PDF：52KB】
- Regarding Operational Safety Inspection Report for the 4th quarter period of FY2013 (inspection for the status of observance of operational safety program)【PDF：75KB】
- The 5th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
May 1, 2013
- The 1st meeting of the Committee for the Accident Analysis on the Fukushima Daiichi NPS; the distributed documents have been posted on web.(Available only in Japanese)
- The 1st evaluation meeting on the current status of Units 3 and 4 of Ohi NPS; the provisional record has been posted on web. (Available only in Japanese) 【PDF：283KB】
- The 2nd meeting of the study team on the new regulation standards for nuclear fuel facilities, etc.; the provisional record has been posted on web.(Available only in Japanese)【PDF：390KB】
- Public Comment has been updated.(Available only in Japanese)
April 30, 2013
- The 4th Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the provisional record has been posted on web. (Available only in Japanese)【PDF：552KB】
- The 7th meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the provisional record has been posted on web. (Available only in Japanese) 【PDF：346KB】
April 25, 2013
- The 2nd NRA Evaluation Committee for Incorporated Administrative Agencies, JNES subcommittee; the distributed documents have been posted on web (Available only in Japanese).
- The 2nd NRA Evaluation Committee for Incorporated Administrative Agencies, JNES subcommittee; the provisional record has been posted on web (Available only in Japanese).【PDF：106KB】
- The 1st meeting of the study team on the new regulation standards for nuclear fuel facilities, etc.; the provisional record has been posted on web.(Available only in Japanese)【PDF：339KB】
April 24, 2013
- The 4th Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the distributed documents have been posted on web. (Available only in Japanese).
- The 4th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
April 23, 2013
April 22, 2013
- The 6th meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the provisional record has been posted on web. (Available only in Japanese)【PDF：562KB】
- The 5th meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the provisional record has been posted on web. (Available only in Japanese)【PDF：720KB】
April 19, 2013
- The 9th meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web. (Available only in Japanese)
- The 1st evaluation meeting on the current status of Units 3 and 4 of Ohi NPS; the distributed documents have been posted on web. (Available only in Japanese)
April 17, 2013
April 15, 2013
- The 6th meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the provisional record has been posted on web. (Available only in Japanese) 【PDF：365KB】
- The 1st meeting of the study team on the new regulation standards for nuclear fuel facilities, etc.; the distributed documents have been posted on web. (Available only in Japanese)
April 12, 2013
- The 12th meeting of the study team on the regulation standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese)【PDF：366KB】
- The 11th meeting of the study team on the regulation standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese)【PDF：366KB】
- The 10th meeting of the study team on the regulation standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese)【PDF：366KB】
- The 8th meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web. (Available only in Japanese)
April 11, 2013
April 10, 2013
- Public Comments have been updated. The period of the public comment related to the revised draft of Nuclear Emergency Response Guidelines is from April 10 to May 9, 2013. (Available only in Japanese)
- The 9th meeting of the study team on the regulation standards for earthquakes and tsunamis for light water reactors for electric power generation; the provbisional record has been posted on web (Available only in Japanese)【PDF：507KB】
- The 2nd NRA Commission Meeting; the distributed documents have been posted on web.(Available only in Japanese)
April 8, 2013
- Regarding receipt of the investigation results conducted by IAEA regarding the impact on performance of Onagawa NPS affected by the Great East Japan Earthquake, Tohoku Electric Power Co., Inc.【PDF：58KB】
- The 5th meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the provisional record has been posted on web. (Available only in Japanese)【PDF：348KB】
- The 4th meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the provisional record has been posted on web. (Available only in Japanese)【PDF：468KB】
- The 19th meeting of the study team on the new regulation standards for light water nuclear reactors; the provisional record has been posted on web. (Available only in Japanese)【PDF：361KB】
- The 18th meeting of the study team on the new regulation standards for light water nuclear reactors; the provisional record has been posted on web. (Available only in Japanese)【PDF：384KB】
April 7, 2013
April 5, 2013
- Regarding suspension of cooling of the Unit 3 spent fuel pool at Fukushima Daiichi NPS【PDF：54KB】
- The 12th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese)
- The 6th meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
April 4, 2013
- The 21st meeting of the study team on the new regulation standards for light water nuclear reactors; the distributed documents have been posted on web. (Available only in Japanese)
- The 1st NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：337KB】
- The 35th NRA Commission Meeting; the provisional summary has been posted on web. (Available only in Japanese)【PDF：87KB】
April 3, 2013
April 2, 2013
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
- The 11th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
April 1, 2013
- The 1st Meeting for NRA Policy Review; the distributed documents have been posted on web. (Available only in Japanese)
- An English portal site for radiation monitoring data has been established.
- A webpage for RI regulation has been posted. (Available only in Japanese)
- A webpage for the safeguard system has been posted. (Available only in Japanese)
March 29, 2013
- The 35th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
- The 17th meeting of the study team on the new safety standards for light water reactors; the provisional record has been posted on web. (Available only in Japanese) 【PDF：462KB】
- The 16th meeting of the study team on the new safety standards for light water nuclear reactors; the provisional record has been posted on web.(Available only in Japanese) 【PDF：486KB】
- The NRA has received a report from Japan Atomic Energy Agency (JAEA), regarding postponement of submission of an additional investigation plan on fracture zones in the site of the prototype fast breeder reactor "Monju." The results of the investigation will be reported in April 2013.
- Monitoring data has been posted on web.
- Results of Radiation Monitoring in the Former “Evacuation-Prepared Areas in Case of Emergency” and “Evacuation Order Lifting-Prepared Area” (Rivers, Water Sources) (Available only in Japanese) 【PDF：850KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 27, 2013) 【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 27, 2013) 【PDF：156KB】
- Press conference of NRA Chairman; the distributed documents have been posted on web. (Available only in Japanese)
- The 7th Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web (Available only in Japanese).
March 28, 2013
- The NRA has received a report on an additional investigation plan on fracture zones in the site of Ohi Nuclear Power Station, Kansai Electric Power Co., Inc.【PDF：51KB】
- The NRA has received a report from Kansai Electric Power Co., Inc. on reviewing the process and postponing the submission of the final report on the additional investigation plan on fracture zones in the site of Mihama NPS.【PDF：50KB】
- The 34th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese) 【PDF：321KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 26, 2013) 【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 12, 15, 2013) 【PDF：335KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 26, 2013) 【PDF：156KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Feb 9, 11, 12, 2013)【PDF：136KB】
- The 3rd meeting of Nuclear Facility Satety Information Allegation Committee was held.【PDF：89KB】
- The 20th meeting of the study team on the new safety standards for light water nuclear reactors; the distributed documents have been posted on web. (Available only in Japanese)
- The 1st meeting of the study team on nuclear security; the provisional record has been posted on web. (Available only in Japanese) 【PDF：407KB】
- The 5th meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
March 27, 2013
- The NRA has received a report from TEPCO on the conditions and measures for the breakdown related to an event requiring a legal report in Unit 1 of Kashiwazaki-Kariwa NPS. According to the report, the bent was found on part of 6 fuel assemblies and one of them was found to be causing the adjacent fuel rods to touch one another.【PDF：41KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 25, 2013) 【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 25, 2013) 【PDF：159KB】
- The 34th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
March 26, 2013
- Monitoring data has been posted on web.
- Readings of Environmental Radiation Level by emergency monitoring (March 26, 2013)【PDF：211KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 24, 2013)【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 18, 20, 2013) 【PDF：330KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 24, 2013) 【PDF：90KB】
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
March 25, 2013
- Monitoring data has been posted on web.
- Readings of Environmental Radiation Level by emergency monitoring (March 25, 2013)【PDF：211KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 21, 22, 23, 2013) 【PDF：156KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 21, 22, 23, 2013)【PDF：89KB】
- Readings of dust samplings in 20km Zone of TEPCO Fukushima Dai-ichi NPP (March 25, 2013) 【PDF：365KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（March 19-2, 2013) 【PDF：1.21MB】
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：157KB】
- The 19th meeting of the study team on the new safety standards for light water nuclear reactors; the distributed documents have been posted on web. (Available only in Japanese)
March 22, 2013
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the
marine soil around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sept 26, 2012)
【PDF：293KB】
- Distribution map of radioactivity concentration in the marine soil around coast of Fukushima Prefecture and TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jul 19, 2012) 【PDF：265KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: March 20, 2013) 【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 17, 21, 2013) 【PDF：328KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: March 20, 2013) 【PDF：89KB】
- The 10th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese)
March 21, 2013
- The 33rd NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：354KB】
- Regarding the stoppage of facilities due to blackout at Fukushima Daiichi NPS, TEPCO【PDF：60KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 18, 19, 2013) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 6, 9, 10, 11, 2013) 【PDF：114KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 6, 9, 10, 11, 12, 15, 2013) 【PDF：327KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Survey related to the leaked water from a pipeline between a desalination unit and a tank of concentrated water on April 5, 2012) (Sampling Date: Mar 18, 19, 2013) 【PDF：153KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Feb 6, 2013) 【PDF：125KB】
- The 4th meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：556KB】
March 19, 2013
- The NRA has received a report from TEPCO regarding fuel rods’ partially touching each other in fuel assemblies in Unit 1 of Kashiwazaki-Kariwa NPS, TEPCO.【PDF：91KB】
- The 5th meeting of the study team on emergency monitoring; the provisional record has been posted on web. (Available only in Japanese)【PDF：336KB】
- Monitoring data has been posted on web.
- Readings of Environmental Radiation Level by emergency monitoring (March 19, 2013) 【PDF：212KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (survey related to the leaked water from a pipeline between a desalination unit and a tank of concentrated water on April 5, 2012) (Sampling Date: Mar 17, 2013) 【PDF：154KB】
- Monitoring results in 20km Zone of TEPCO Fukushima Dai-ichi NPP 【PDF：11.5MB】
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
- The press conference of NRA Chairman; the distributed documents have been posted on web. (Available only in Japanese)
- The 18th meeting of the study team on the new safety standards for light water nuclear reactors; the distributed documents haves been posted on web. (Available only in Japanese)
- The 33rd NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
March 18, 2013
- The NRA has received a report from Kansai Electric Power Co., Inc. (KEPCO) on the cause and countermeasures relating to the breakdown of an emergency diesel generator in Unit 1 of Mihama NPS.【PDF：41KB】
- Monitoring data has been posted on web.
- Readings of Environmental Radiation Level by emergency monitoring (March 18, 2013) 【PDF：212KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (survey related to the leaked water from a pipeline between a desalination unit and a tank of concentrated water on April 5, 2012) (Sampling Date: Mar 14, 15, 16, 2013) 【PDF：157KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 5, 2013) 【PDF：120KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 14, 15, 16, 2013) 【PDF：89KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Mar 10～13 ,2013)【PDF：1.20MB】
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP 【PDF：548KB】
March 15, 2013
- Chairman’s Press Conference; the distributed documents have been posted on web.
- Regarding the implementation status of the safety assessment on the impact of the ground motion and tsunami on the site of Hamaoka NPS of Chubu Electric Power Company.【PDF：51KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 13, 2013)【PDF：154KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 13, 2013)【PDF：89KB】
March 14, 2013
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Feb 4, 2013)【PDF：126KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 12, 2013)【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 21, 2013)【PDF：117KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 12, 2013)【PDF：89KB】
March 13, 2013
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 11, 2013)【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 4, 5, 6, 9, 2013)【PDF：319KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 11, 2013)【PDF：89KB】
- The 9th meeting of the study team for new safety design standards for earthquakes and tsunamis for light water nuclear reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
March 12, 2013
- The study team on nuclear accident preparedness measures; reference materials have been posted on web (Available only in Japanese).
- Monitoring data has been posted on web.
- Readings of Environmental Radiation Level by emergency monitoring【PDF：212KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 10, 2013)【PDF：154KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 10, 2013)【PDF：89KB】
- Readings of dust samplings in 20km Zone of TEPCO Fukushima Dai-ichi NPP (March 12, 2013)【PDF：366KB】
- The 15th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：440KB】
- The 14th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：487KB】
- Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the provisional record for the Peer Review Meeting has been posted on web. (Available only in Japanese).【PDF：442KB】
- Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the provisional record of the 3rd evaluation meeting has been posted on web (Available only in Japanese).【PDF：434KB】
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
March 11, 2013
- Monitoring data has been posted on web.
- Readings of Environmental Radiation Level by emergency monitoring【PDF：212KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 7, 8, 9, 2013)【PDF：157KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 7, 8, 9, 2013)【PDF：89KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Mar 5 ,2013)【PDF：1224KB】
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：368KB】
- The 5th meeting of the study team on emergency monitoring; the distributed documents have been posted on web. (Available only in Japanese)
- The 32nd NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)
- Japanese version【PDF：3.4MB】
- The English version of the summary report is now in preparation.
March 8, 2013
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 6, 2013)【PDF：154KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 6, 2013)【PDF：88KB】
- The Peer Review Meeting of the Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the distributed documents have been posted on web. (Available only in Japanese)
- The Peer Review Meeting of the Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the self-declaration of the experts has been posted on web. (Available only in Japanese)
- The 6th Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web (Available only in Japanese).
- The 3rd Evaluation Meeting of the Expert Meeting on the investigation of fracture zones in the site of Tsuruga Nuclear Power Station; the distributed documents have been posted on web. (Available only in Japanese)
- The 17th meeting of the study team on the new safety standards for light water nuclear reactors; the distributed documents have been posted on web. (Available only in Japanese)
March 7, 2013
- The 32nd NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：324KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 5, 2013)【PDF：154KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 5, 2013)【PDF：88KB】
- Distribution map of radioactivity concentration in the seawater around coast of Ibaraki Prefecture (Sampling Date: Feb 15, 20, 21, 2013)【PDF：672KB】
- Chairman’s speech at the 2nd Anniversary of the Fukushima Daiichi Nuclear Accident will be addressed. (Notification)
March 6, 2013
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 4, 2013)【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 10, 2012)【PDF：127KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 28, 29, 2013)【PDF：349KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 4, 2013)【PDF：88KB】
- Expert Meeting’s report has been posted on web regarding the follow-up for the recommendations made by the committees under the diet and the government on the TEPCO’s Fukushima Daiichi Accident. (Available only in Japanese)【PDF：1.8MB】
- The 32nd NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
March 5, 2013
- Press conference of Chairman Tanaka; the distributed documents have been posted on web (Available only in Japanese).
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
- “Government Ordinance on granting Special Exception of the Act on the Regulation of Nuclear Source Material, Nuclear Fuel Material, and Nuclear Reactors to TEPCO’s Fukushima Daiichi Nuclear Power Station” was approved at a Cabinet meeting.
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 3, 2013)【PDF：154KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 3, 2013)【PDF：88KB】
- Readings of Environmental Radiation Level by emergency monitoring (March 5, 2013)【PDF：213KB】
March 4, 2013
- Monitoring data has been posted on web.
- Readings of Environmental Radiation Level by emergency monitoring (March 4, 2013)【PDF：213KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Jan 19, 21, 28, 30, 2013)【PDF：138KB】
- Distribution map of radioactivity concentration in the marine soil around TEPCO Fukushima Dai-ichi NPP (Converted as dry soil) (Sampling Date: Jan 4- Feb 9, 2013)【PDF：294KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 28, Mar 1, 2, 2013)【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 4, 8, 10, 11, 2013)【PDF：115KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Mar 1, 2, 2013)【PDF：88KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 28, 2013)【PDF：91KB】
- Readings of dust samplings in 20km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：366KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Feb 24～Mar 1, 2013)【PDF：1180KB】
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：549KB】
- The 1st meeting of the study team on nuclear security; the distributed documents have been posted on web.
- The 3rd Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web (Available only in Japanese).【PDF：480KB】
March 1, 2013
- The 3rd meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：331KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Jan 16, 17, 2013)【PDF：129KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 27, 2013)【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 12, 2012)【PDF：116KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 18, 19, 2013)【PDF：339KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 27, 2013)【PDF：91KB】
- Regarding the implementation status of safety assessment on the effects of ground motion and tsunami at Higashidori NPS, Tohoku Electric Power Co., Inc. (Available only in Japanese)
February 28, 2013
- The 31st NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：331KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Ibaraki Prefecture (Sampling Date: Jan 18, 2013)【PDF：672KB】
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Jan 8, 2013)【PDF：613KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 26, 2013)【PDF：91KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 8, 10, 11, 2013)【PDF：337KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 26, 2013)【PDF：154KB】
- Regarding the implementation status of safety assessment on the effects of ground motion and tsunami at Higashidori NPS, Tohoku Electric Power Co., Inc. (Available only in Japanese)【PDF：51KB】
- Regarding receipt of a report on the revision of the action plan on an additional field survey for the fracture zones in the site of Japan Atomic Power Company’s Tsuruga Nuclear Power Station.【PDF：50KB】
- The study team on nuclear security; the experts’ self-reports have been posted on web.
February 27, 2013
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 25, 2013)【PDF：91KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 21, 22, 25, 2013)【PDF：335KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 25, 2013)【PDF：154KB】
- The 16th meeting of the study team on the new safety standards for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
- The 31st NRA Commission Meeting; the provisional record has been posted on web (Available only in Japanese).
February 26, 2013
- The 5th meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the provisional record has been posted on web (Available only in Japanese).【PDF：404KB】
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 24, 2013)【PDF：91KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 24, 2013)【PDF：154KB】
- Readings of Environmental Radiation Level by emergency monitoring【PDF：213KB】
February 25, 2013
- The 2nd meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the distributed documents have been posted on web (Available only in Japanese).【PDF：404KB】
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：549KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Feb 17～20, 2013)【PDF：1210KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 21, 22, 23, 2013)【PDF：91KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 21, 22, 23, 2013)【PDF：157KB】
- Readings of Environmental Radiation Level by emergency monitoring【PDF：213KB】
February 22, 2013
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 20, 2013)【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 20, 2013)【PDF：154KB】
- Regarding malfunction of ERSS (Emergency Response Support System)【PDF：59KB】
February 21, 2013
- Information on prior confirmation procedures on the application of laws and regulations has been posted on web. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 19, 2013)【PDF：89.5KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 19, 2013)【PDF：89.5KB】
- Distribution map of radioactivity concentration in the marine soil around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 3 - Nov 30, 2012)【PDF：89.5KB】
- Distribution map of radioactivity concentration in the marine soil around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 4- Dec 21, 2012)【PDF：89.5KB】
- The 30th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：252KB】
- The 4th Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web (Available only in Japanese).
- Regarding malfunction of ERSS (Emergency Response Support System)【PDF：48KB】
- The 4th meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
February 20, 2013
- The NRA received the “Implementation Status Report on the Restoration Plan based on Nuclear Operator Emergency Action Plan (Interim Report on the Restoration Completion at Unit 2 Fukushima Daini)”.【PDF：41KB】
- Public Comments have been updated. (Available only in Japanese) (The period of the public comment on the notification related to the installation, the operation and etc. of nuclear facilities in the Fukushima Daiichi NPS is from February 21 to March 17, 2013.)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 18, 2013)【PDF：89.5KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 18, 19, 2013)【PDF：329KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 18, 2013)【PDF：153KB】
- Experts Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Ltd.; the provisional record of the 3rd evaluation meeting has been posted on web. (Available only in Japanese)【PDF：463KB】
- The 30th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
February 19, 2013
- The 29th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：72KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 17, 2013)【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 17, 2013)【PDF：154KB】
- Readings of Environmental Radiation Level by emergency monitoring【PDF：214KB】
- Experts Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Ltd.; the distributed documents of the 3rd evaluation meeting have been updated. (Available only in Japanese).
- The 5th meeting of the study team on health management of the residents related to the Fukushima Daiichi Nuclear Accident; the distributed documents have been posted on web. (Available only in Japanese)
- The 4th meeting of the study team on emergency monitoring; the distributed documents have been posted on web (Available only in Japanese).【PDF：356KB】
February 18, 2013
- The 4th meeting of the study team on emergency monitoring; the provisional record has been posted on web (Available only in Japanese).【PDF：356KB】
- The 2nd Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the provisional documents have been posted on web (Available only in Japanese).【PDF：475KB】
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：548KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP (Feb 11 - 13 ,2013）【PDF：1170KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 14, 15, 16, 2013)【PDF：89.5KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 14, 15, 16, 2013)【PDF：155KB】
- Readings of Environmental Radiation Level by emergency monitoring【PDF：212KB】
- Regarding receipt of a report on the revision of the implementation plan with an additional geographical investigation of the faults in the site of Higashidori NPS, Tohoku Electric Power Co., Ltd.【PDF：52KB】
- Experts Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Ltd.; the distributed documents of the 3rd evaluation meeting have been posted on web (Available only in Japanese).
February 15, 2013
- The NRA has received a report from Kansai Electric Power Co., Inc., on the breakdown of an emergency diesel generator in Mihama NPS. (Available only in Japanese)【PDF：19.2KB】
- The NRA received a report related to the cause and the countermeasures from Japan Atomic Power Company (JAPC) on the leakage of radioactive material in the non-radiation controlled area in Tokai Daini Nuclear Power Station.
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Jan 8, 2013)【PDF：613KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 13, 2013)【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 13, 2013)【PDF：154KB】
- Results of Radiation Monitoring in the Areas in which Evacuation Orders are Ready to be Lifted (Minamisoma City, Tamura City) (Available only in Japanese)【PDF：670KB】
- The 15th meeting of the study team on the new safety standards for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
- The 3rd meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
February 14, 2013
- Regarding the results and evaluation results of Safety Management Inspection on Welding (the 2nd quarter of 2012) based on Electric Business Act (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 12, 2013)【PDF：89KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 7, 8, 10, 2013)【PDF：326KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 12, 2013) 【PDF：154KB】
- The 28th NRA Commission Meeting: the provisional record has been posted on web (Available only in Japanese). 【PDF：213KB】
- The 29th NRA Commission Meeting; the distributed documents have been posted on web (Available only in Japanese).
February 13, 2013
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 11, 2013) 【PDF：89KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 11, 2013) 【PDF：154KB】
- Readings of Environmental Radiation Level by emergency monitoring (Feb 13, 2013)【PDF：213KB】
- Regarding the insufficient maintenance management at the prototype fast breeder reactor "Monju" operated by Japan Atomic Energy Agency (JAEA), the NRA will conduct an on-the-spot inspection on February 14 and 15, 2013.
- The 28th NRA Commission Meeting; the distributed documents have been posted on web (Available only in Japanese).
February 12, 2013
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：549KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Feb 3～6 ,2013)【PDF：1195KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 7, 8, 9, 10, 2013)【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 4, 8, 10, 11, 2013)【PDF：113KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 4, 5, 2013)【PDF：318KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Around TEPCO Fukushima Dai-ichi NPP from Feb 7, 8, 9, 10, 2013)【PDF：158KB】
February 8, 2013
- The 26th NRA Commission Meeting: the provisional record has been posted on web (Available only in Japanese).【PDF：72KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 6, 2013)【PDF：89KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 4, 5, 2013)【PDF：315KB】
- The press conference of NRA Chairman; supplementary documents have been added. (Available only in Japanese)
- The NRA has received a report on the additional survey results (interim report) of Mihama NPS by Kansai Electric Power Co. Inc.
- The 14th meeting of the study team on the new safety standards for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
- The 2nd meeting of the study team on formulating the new safety regulation system of nuclear reactor facilities for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
February 7, 2013
- The 27th NRA Commission Meeting: the provisional record has been posted on web (Available only in Japanese).【PDF：261KB】
- Monitoring data has been posted on web.
- Readings of dust samplings in 20km Zone of TEPCO Fukushima Dai-ichi NPP (Feb 7, 2013)【PDF：366KB】
- Readings of soil monitorings in 20km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：364KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 5, 2013)【PDF：88KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 4, 2013)【PDF：308KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 24, 25, 27, 31, 2012)【PDF：339KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 5, 2013)【PDF：154KB】
- The 4th meeting of the study team on emergency monitoring; the distributed documents have been posted on web.
February 6, 2013
- Public Comment has been updated on web (Available only in Japanese). (The period of the public comment on the draft outline of new safety standards for nuclear power plants is February 7 - 28, 2013.)
- The NRA has received a report from Kansai Electric Power Co., Inc., on the breakdown of an emergency diesel generator in Mihama NPS.
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Dec 20, 2012)【PDF：624KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 4, 2013)【PDF：88KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 4, 2012) 【PDF：113KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 20, 25, 27, 2012)【PDF：333KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 4, 2013) 【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Dec 20,21,25,27, 2012)【PDF：143KB】
- The press conference of NRA chairman; the distributed documents have been posted on web (Available only in Japanese).
- The 3rd Meeting of the Study Team on Emergency Monitoring; the provisional record has been posted on web (Available only in Japanese).【PDF：370KB】
- The 27th NRA Commission Meeting; the distributed documents have been posted on web (Available only in Japanese).
February 5, 2013
- The 8th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：366KB】
- The 26th NRA Commission Meeting; the distributed documents have been posted on web (Available only in Japanese).
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 3, 2013)【PDF：155KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 3, 2013)【PDF：88KB】
- Readings of Environmental Radiation Level by emergency monitoring (Feb 5, 2013)【PDF：214KB】
- The 13th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：466KB】
February 4, 2013
- The 7th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：437KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 31, Feb 1, 2, 2013)【PDF：158KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 13, 17, 2012) 【PDF：325KB】
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：551KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Jan 27 - 31 ,2013)【PDF：1,194KB】
- Readings of Environmental Radiation Level by emergency monitoring (Feb 4, 2013)【PDF：219KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Dec 16, 18, 2012)【PDF：87KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 31, 2013)【PDF：91KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Feb 1, 2, 2013)【PDF：88KB】
- The 12th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：522KB】
- The 11th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：380KB】
- The 10th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：380KB】
- The 9th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：382KB】
February 1, 2013
- The joint meeting ("the 7th meeting of the study team on nuclear emergency preparedness measures" and "the 5th meeting of the study team on radiation emergency medicine"); the provisional record has been posted on web (Available only in Japanese).【PDF：345KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 30, 2013)【PDF：152KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 29, 2013)【PDF：87KB】
- The NRA has received a report from TEPCO regarding its video release to the public on the Fukushima Daiichi Nuclear Accident.【PDF：41KB】
- The 3rd Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web (Available only in Japanese).
- The 1st NRA Evaluation Committee for Incorporated Administrative Agencies; the provisional record has been posted on web (Available only in Japanese).【PDF：273KB】
- The 1st NRA Evaluation Committee for Incorporated Administrative Agencies, JNES subcommittee; the provisional record has been posted on web (Available only in Japanese).【PDF：242KB】
- The 1st Meeting of the Supervision and Evaluation Committee for the event of seawater inflow into Unit 5 of Hamaoka NPS; the distributed documents have been posted on web (Available only in Japanese).【PDF：242KB】
January 31, 2013
- The 25th NRA Commission Meeting; the provisional record has been posted on web (Available only in Japanese).【PDF：296KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 29, 2013) 【PDF：150KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 29, 2013)【PDF：87KB】
- The NRA has received a report from JAEA on insufficient maintenance management, etc.【PDF：45KB】
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga Nuclear Power Station; the provisional record of the 2nd evaluation meeting has been posted (Available only in Japanese).【PDF：295KB】
- The 13th meeting of the study team on the new safety standards for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
January 30, 2013
- Regarding the Report of Nuclear Safety Inspection (compliance inspection of Operational Safety Program) conducted during the 4th quarter period in FY 2012. (Available only in Japanese)【PDF：467KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Ibaraki Prefecture (Sampling Date: Jan 18, 2013)【PDF：673KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 28, 2013)【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 28, 2013)【PDF：153KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Dec 12, 2012)【PDF：128KB】
- Regarding rescheduling the process of an additional inspection plan on geological
features and conditions relating to the assessment of the interlock of active faults in the surrounding area of Tsuruga Nuclear Power Station conducted by the Japan Atomic Power Company【PDF：54KB】
- Regarding Regarding the implementation states of the safety assessment on the impact of the ground motion and tsunami on the sites of Tokai Daini Nuclear Power Station and Tsuruga Nuclear Power Station of the Japan Atomic Power Company【PDF：51KB】
- The 5th Expert Meeting on following up to the recommendations of the committees established under the diet and the government relating to TEPCO’s Fukushima Daiichi Nuclear Accident will be held on February 6 at Central Common Government Office No.4 (Kasumigaseki, Chiyoda-ku, Tokyo).
- The 25th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
January 29, 2013
- Monitoring data has been posted on web.
- Readings of dust samplings in 20km Zone of TEPCO Fukushima Dai-ichi NPP (Jan 29, 2013)【PDF：371KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 27, 2013)【PDF：91KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 27, 2013) 【PDF：157KB】
- Readings of Environmental Radiation Level by emergency monitoring (Jan 29, 2013)【PDF：224KB】
- The 8th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been updated on web. (Available only in Japanese)
- The 3rd meeting of the study team on emergency monitoring; the distributed documents have been posted on web. (Available only in Japanese)
- The 8th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
January 28, 2013
- The 6th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web. (Available only in Japanese)【PDF：510KB】
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：263KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Jan 20 - 24 , 2013)【PDF：399KB】
- Readings of Environmental Radiation Level by emergency monitoring (Jan 28, 2013) 【PDF：212KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 17, 18, 20, 2012) 【PDF：88KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 24, 25, 26, 2013) 【PDF：108KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 24, 25, 26, 2013) 【PDF：152KB】
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga Nuclear Power Station, Japan Atomic Power Co., Inc.; the distributed documents of the 2nd evaluation meeting have been posted. (Available only in Japanese)
- The 6th meeting of the study team on nuclear emergency preparedness measures; the provisional record has been updated on web (Available only in Japanese).
January 25, 2013
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 23, 2013)【PDF：91KB】
- The 12th meeting of the study team on the new safety standards for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese)
January 24, 2013
- The 24th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：469KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 22, 2013)【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 15, 2012) 【PDF：116KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 22, 2013) 【PDF：155KB】
- The 2nd Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web (Available only in Japanese).
- The joint meeting ("the 7th meeting of the study team on nuclear emergency preparedness measures" and "the 5th meeting of the study team on radiation emergency medicine"); the distributed documents have been posted on web (Available only in Japanese).
January 23, 2013
- The 1st Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the provisional record has been posted on web (Available only in Japanese).【PDF：469KB】
- The 4th Expert Meeting on following up to the recommendations of the committees established under the diet and the government relating to TEPCO’s Fukushima Daiichi Nuclear Accident will be held on January 30 at Mita Kaigisho.
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 21, 2013) 【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 11,13, 2012) 【PDF：106KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Dec 8,14, 2012)【PDF：99KB】
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Dec 13, 2012) 【PDF：210KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 21, 2013) 【PDF：139KB】
- The 8th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese)【PDF：457KB】
- The 7th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese)【PDF：540KB】
- The 24th NRA Commission Meeting; the distributed domuments have been posted on web. (Available only in Japanese)
January 22, 2013
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 20, 2013)【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 10,11, 2012) 【PDF：104KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 20, 2013) 【PDF：139KB】
- Readings of Environmental Radiation Level by emergency monitoring (Jan 22, 2013)【PDF：213KB】
- The 7th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
- The 4th meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the provisional record has been renewed on web. (Available only in Japanese)【PDF：298KB】
- The 2nd meeting of the study team on emergency monitoring; the provisional record has been posted on web. (Available only in Japanese)
January 21, 2013
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：550KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Jan 13-17 ,2013)【PDF：1.14MB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 17, 18, 19, 2013) 【PDF：90.5KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 3, 4, 5, 7, 2012) 【PDF：317KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 5, 7, 2012) 【PDF：116KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 17, 18, 19, 2013) 【PDF：169KB】
- Readings of Environmental Radiation Level by emergency monitoring (Jan 21, 2013)【PDF：213KB】
- The 11th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
January 18, 2013
- Monitoring results are unavailable due to bad weather conditions.
- The 10th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
January 17, 2013
- Expert Meeting on the investigation of the fracture zone in the site of Ohi Power Station, Kansai Electric Power Co., Inc.; the provisional record of the 3rd evaluation meeting has been posted on web. (Available only in Japanese)【PDF：497KB】
- The5th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web. (Available only in Japanese)【PDF：405KB】
- The 23rd NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：350KB】
- Monitoring data has been posted on web.
- Readings of dust samplings in 20km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：148KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 5, 7, 2012) 【PDF：99KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Dec 3, 2012)【PDF：96KB】
- Expert Meeting on the investigation of the fracture zone in the site of Ohi Power Station, Kansai Electric Power Co., Inc.; the distributed documents of the 3rd evaluation meeting have been updated. (Available only in Japanese)
January 16, 2013
- Expert Meeting on the investigation of the fracture zone in the site of Ohi Power Station, Kansai Electric Power Co., Inc.; the distributed documents of the 3rd evaluation meeting have been posted on web. (Available only in Japanese)
- The 3rd Expert Meeting on following up to the recommendations of the committees established under the diet and the government relating to TEPCO’s Fukushima Daiichi Nuclear Accident will be held on January 21 at Mita Kaigisho.
- The 23rd NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
January 15, 2013
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：261KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Jan 7-10 ,2013)【PDF：406KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 10, 11, 12, 13, 2013) 【PDF：86.5KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 10, 11, 12, 13, 2013)【PDF：140KB】
- Readings of Environmental Radiation Level by emergency monitoring (Jan 15, 2013)【PDF：210KB】
- The 6th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
January 11, 2013
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 9, 2013)【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 9, 2013) 【PDF：139KB】
- The 2nd meeting of the study team on emergency monitoring; the distributed documents have been posted on web. (Available only in Japanese)
- The 5th meeting of the study team on nuclear emergency preparedness measures; the provisional record has been posted on web (Available only in Japanese).【PDF：364KB】
- The NRA has received a report from Japan Atomic Energy Agency (JAEA) on the situation and treatment of an accident and malfunction, etc. regarding the event requiring a report based on the relevant law occurred in the Refining and Conversion Facility (used facility) of Ningyo-toge Environmental Engineering Center.【PDF：37KB】
- The 9th meeting of the study team on the new safety standards for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese)
January 10, 2013
- The 22nd NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：226KB】
- The 4th meeting of the study team on radiation emergency medicine; the provisional record has been posted on web. (Available only in Japanese)【PDF：350KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Nov 22, 2012) 【PDF：624KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 8, 2013)【PDF：89KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 8, 2013) 【PDF：156KB】
- Results of Radiation Monitoring in the Former “Evacuation-Prepared Areas in Case of Emergency” and “Evacuation Order Lifting-Prepared Area” (Rivers, Water Sources) 【PDF：602KB】
- NRA's Core Values and Principles have been posted on web.
January 9, 2013
- The schedules of NRA study teams meetings, etc. have been updated.
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 7, 2013)【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 7, 2013)【PDF：139KB】
- The 22nd NRA Commission Meeting; the distributed materials have been posted on web. (Available only in Japanese)
January 8, 2013
- The schedules of NRA study teams meetings, etc. have been updated.
- The 4th meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the distributed documents have been updated on web. (Available only in Japanese)
- Regarding implementation of the 2nd site investigation of Fukushima Daiichi NPS, TEPCO, by the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities
- Public comments have been updated. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 6, 2013)【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 6, 2013)【PDF：139KB】
- Readings of Environmental Radiation Level by emergency monitoring (Jan 8, 2013)【PDF：210KB】
- Readings of dust samplings in 20km Zone of TEPCO Fukushima Dai-ichi NPP (Jan 8, 2013)【PDF：147KB】
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
January 7, 2013
- Information on the 22nd NRA Commission Meeting has been updated.
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：370KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Jan 2～5 ,2013)【PDF：393KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 27, 28, 29, 30, 31, 2012)【PDF：91KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jan 1, 2, 3, 4, 5, 2013)【PDF：89KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 19, 21, 26, 28, 2012)【PDF：349KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 27 to Jan 5, 2013)【PDF：139KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Nov 30, 2012)【PDF：145KB】
- Readings of Environmental Radiation Level by emergency monitoring (Dec 28, 2013)【PDF：213KB】
- Readings of Environmental Radiation Level by emergency monitoring (Jan 4, 2013)【PDF：210KB】
- The schedules of NRA study teams meetings, etc. have been updated.
January 4, 2013
January 1, 2013
- New Year’s greeting from NRA Chaiman has been posted on web.
December 28, 2012
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Nov 14, 16, 18, 20, 22, 2012)【PDF：144KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 26, 2012)【PDF：156KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 13, 15, 19, 20, 21, 2012)【PDF：322KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 26, 2012)【PDF：90KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Dec 23～27 ,2012)【PDF：1.2MB】
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：550KB】
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Nov 13, 15, 2012)【PDF：614KB】
- Distribution map of radioactivity concentration in the seawater around coast of Ibaraki Prefecture (As of Dec 28, 2012)【PDF：677KB】
- The 4th meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the distributed documents have been posted on web. (Available only in Japanese)
- The 3rd meeting of the study team on radiation emergency medicine; the provisional record has been posted on web. (Available only in Japanese)【PDF：359KB】
December 27, 2012
- The 3rd meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the provisional record has been posted on web. (Available only in Japanese)【PDF：317KB】
- The 4th meeting of the study team on nuclear emergency preparedness measures; the provisional record has been posted on web. (Available only in Japanese)【PDF：359KB】
- The 21st NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：294KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 25, 2012)【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 25, 2012) 【PDF：139KB】
- Distribution map of radioactivity concentration in the marine soil around coast of Fukushima Prefecture and TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jul 19, 2012)【PDF：249KB】
- Expert Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the provisional record of the 2nd evaluation meeting has been posted on web. (Available only in Japanese)【PDF：301KB】
- The 5th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
- The 5th meeting of the study team on nuclear emergency preparedness measures; the distributed documents have been updated on web. (Available only in Japanese)
- The 8th meeting of the study team on the new safety standards for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese)
- The 6th meeting of the study team on the new safety standards for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：413KB】
- The 4th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：373KB】
- The 5th meeting of the study team on nuclear emergency preparedness measures; the distributed documents have been posted on web. (Available only in Japanese)
December 26, 2012
- The 3rd meeting of the study team on nuclear emergency preparedness measures; the provisional record has been posted on web. (Available only in Japanese)【PDF：335KB】
- The 1st meeting of the study team on emergency monitoring; the provisional record has been posted on web. (Available only in Japanese)【PDF：312KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 24, 2012)【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 24, 2012)【PDF：139KB】
- Readings of Environmental Radiation Level by emergency monitoring (Dec 25, 2012)【PDF：249KB】
- Information on “NRA’s supervision/direction relating to the investigation of fracture zones in NPS sites” has been updated. (Available only in Japanese)
- The NRA Commission Meeting; the extraordinary press conference by review teams, etc. will be held.
- Expert Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the distributed documents of the 1st evaluation meeting have been posted on web. (Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in the site of Ohi NPS; Regarding the site investigation (the 2nd time) (Available only in Japanese)
- The 21st NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
December 25, 2012
- The 4th meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident will be held.
- The 3rd meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the provisional record has been posted on web (Available only in Japanese).【PDF：418KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 20, 21, 22, 23, 2012)【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 20, 21, 22, 23, 2012)【PDF：159KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Dec 16～20 , 2012)【PDF：1.1MB】
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP【PDF：549KB】
- Regarding the implementation status of the safety assessment of the impact of ground motion and tsunami on the facilities at Higashidori Nuclear Power Station, Tohoku Electric Power Co., Inc.【PDF：51KB】
- The 4th meeting of the study team on radiation emergency medicine; the distributed documents have been posted on web. (Available only in Japanese)
December 21, 2012
- Regarding the results and evaluation results of Safety Management Inspection on Welding (the 1st quarter of 2012) based on Electric Business Act【PDF：55KB】
- The 21st NRA Commission Meeting will be held.
- The 5th meeting of the study team on nuclear emergency preparedness measures will be held.
- The 5th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation will be held.
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 19, 2012)【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 8, 2012)【PDF：114KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 19, 2012)【PDF：139KB】
- Expert Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the 2nd evaluation meeting will be held.
- Expert Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the provisional record of the 1st evaluation meeting has been posted on web. (Available only in Japanese)【PDF：342KB】
- The 1st Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the distributed documents have been posted on web (Available only in Japanese).
- The 8th meeting of the study team on the new safety standards for light water reactors for electric power generation will be held.
- The 2nd meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the provisional record has been posted on web. (Available only in Japanese)【PDF：531KB】
December 20, 2012
- Expert Meeting on the investigation of the fracture zone in the site of Higashidori NPS; the distributed documents of the evaluation meeting have been renewed. (Available only in Japanese)
- The 20th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：291KB】
- The Supervision and Evaluation Committee for the Specified Nuclear Power Facilities; the implementation status of the site investigation of Fukushima Dai-ichi NPS has been posted on web. (Available only in Japanese)
- NRA’s niconico channel has started for video release. (Available only in Japanese)
- Regarding the implementation of safety assessment on the impact of ground motion and tsunami at Hamaoka NPS, Chubu Electric Power Co., Ltd. 【PDF：48KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 18 2012) 【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 8,9,12,13,15, 2012) 【PDF：108KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 18, 2012) 【PDF：139KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Nov 9,10, 2012) 【PDF：102KB】
- Experts Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Ltd.; the distributed documents of the evaluation meeting have been posted on web. (Available only in Japanese)
- Regarding the allegation case for cancelation of certification issued for periodic inspections of Units 3 and 4 in Ohi NPS, Kansai Electric Power Co., Ltd.【PDF：51KB】
- The 7th meeting of the study team on the new safety design standards for light water reactors for electric power generation: the distributed documents have been posted on web (Available only in Japanese).
- The 1st Administrative Evaluation Bureau NRA Meeting for Incorporated Administrative Agencies; the distributed documents have been posted on web. (Available only in Japanese)
- The 1st Administrative Evaluation Bureau NRA Meeting for Incorporated Administrative Agencies; the distributed documents of JNES study team have been posted on web. (Available only in Japanese)
- The 4th meeting of the study team on nuclear emergency preparedness measures; the distributed documents have been posted on web. (Available only in Japanese)
December 19, 2012
- The 4th meeting of the study team on radiation emergency medicine will be held.
- Regarding evaluation of the report of the revision from TEPCO on the “concept of ensuring the mid-term safety” to Units 1 to 4 in Fukushima Dai-ichi NPS 【PDF：56KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 17, 2012) 【PDF：90KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 17, 2012) 【PDF：156KB】
- The 3rd meeting of the study team on radiation emergency medicine; the distributed documents have been posted on web. (Available only in Japanese)
- The 20th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
- The Nuclear Regulation Authority (NRA) received a report from the Institute of National Colleges of Technology, on their finding of nuclear fuel material which was not under control.【PDF：53KB】
December 18, 2012
- The 19th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
- The 5th meeting of the study team on the new safety standards for light water reactors for electric power generation (Available only in Japanese)【PDF：514KB】
- The 4th meeting of the study team on the new safety standards for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese)【PDF：494KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 16, 2012) 【PDF：89KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Aug 21, 2012) 【PDF：105KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 9, 2012) 【PDF：115KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 16, 2012) 【PDF：156KB】
- Readings of Environmental Radiation Level by emergency monitoring (Dec. 17, 2012) 【PDF：211KB】
- Regarding the implementation of safety assessment of the impact of ground motion and tsunami on the facilities in Tokai Daini NPS and Tsuruga NPS, the Japan Atomic Power Company. 【PDF：48KB】
- The 2nd meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation: the provisional record has been posted on web (Available only in Japanese). 【PDF：402KB】
- The 3rd meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the distributed documents have been posted on web. (Available only in Japanese)
December 17, 2012
- The 1st Administrative Evaluation Bureau NRA Meeting for Incorporated Administrative Agencies will be held.
- The 1st Administrative Evaluation Bureau NRA Meeting for JNES Team of Incorporated Administrative Agencies will be held.
- Monitoring data has been posted on web.
- Readings of dust samplings in 20km Zone of TEPCO Fukushima Dai-ichi NPP (Dec 17, 2012) 【PDF：141KB】
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP 【PDF：210KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Dec 9-12 ,2012) 【PDF：379KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 13,14,15, 2012) 【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 13,14,15, 2012) 【PDF：140KB】
- Readings of Environmental Radiation Level by emergency monitoring (Dec 14, 2012) 【PDF：211KB】
- The 4th meeting of the study team on nuclear emergency preparedness measures will be held.
- The 4th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web (Available only in Japanese).
- The 1st meeting of the study team on emergency monitoring; the distributed documents have been posted on web (Available only in Japanese).
December 14, 2012
- The 7th meeting of the study team on the new safety design standards for light water reactors for electric power generation will be held.
- The 20th NRA Commission Meeting will be held.
- The 19th NRA Commission Meeting will be held.
- The 17th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)【PDF：167KB】
- The NRA has been reported from the Ministry of Defense on the finding of nuclear fuel material which was not under control.【PDF：63KB】
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 12, 2012) 【PDF：156KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 12, 2012) 【PDF：89KB】
- Results of the environmental radiation monitoring in the residential area of Date city (Measuring Date: Dec 1-9, 12, 2012) (Available only in Japanese) 【PDF：191KB】
- Results of the environmental radiation monitoring in the residential area of Kawauchi village (Measuring Date: Nov 1, 2012) (Available only in Japanese) 【PDF：74KB】
- The 1st Meeting of the Supervision and Evaluation Committee for the Specified Nuclear Power Facilities will be held.
- The 3rd meeting of the study team on radiation emergency medicine will be held.
- An extraordinary NRA press conference by international/external advisors will be held.
- The 2nd Expert Meeting on following up to the recommendations of the committees established under the diet and the government relating to TEPCO’s Fukushima Daiichi Nuclear Accident will be held.【PDF：48KB】
- The 18th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
December 13, 2012
- The 16th NRA Meeting; the distributed documents have been posted on web. (Available only in Japanese)【PDF：230KB】
- The 2nd meeting of the study team on nuclear emergency preparedness measures; the provisional record has been posted on web.(Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Power Co., Inc.; the evaluation meeting will be held.
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Oct 22, 25, 2012) 【PDF：624KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 11, 2012) 【PDF：89KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Aug 13, 2012) 【PDF：103KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 10, 2012) 【PDF：102KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 3, 4, 8, 9, 2012) 【PDF：115KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec. 11, 2012) 【PDF：156KB】
- The 17th NRA Meeting; the distributed documents have been posted on web. (Available only in Japanese)
- The 6th meeting of the study team on the new safety design standards for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
- The 3rd meeting of the study team on nuclear emergency preparedness measures; the distributed documents have been posted on web. (Available only in Japanese)
December 12, 2012
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 10, 2012) 【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 3,4, 2012) 【PDF：102KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 10, 2012) 【PDF：139KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Nov 5,6,7, 2012) 【PDF：100KB】
- The Nuclear Regulation Authority has received a report from TEPCO regarding fuel rods’ partially touching each other in fuel assemblies in Unit 5 at Kashiwazaki-Kariwa Nuclear Power Station, Tokyo Electric Power Co., Inc. 【PDF：57KB】
- The 16th NRA Committee Meeting; the distributed documents have been posted on web. (Available only in Japanese)
December 11, 2012
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga NPS; the provisional record of the evaluation meeting has been posted on web. (Available only in Japanese)
- The 4th meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation will be held.
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 9, 2012) 【PDF：89KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 9, 2012) 【PDF：156KB】
- Readings of Environmental Radiation Level by emergency monitoring （Dec 10, 2012) 【PDF：212KB】
- The 18th NRA Commission Meeting will be held.
- The 17th NRA Commission Meeting will be held.
- The 3rd meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident will be held.
- Expert meeting on the investigation of the fracture zone in the site of Higashidori Nuclear Power Station, Tohoku Electric Power Company; regarding implementation of the site investigation
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been renewed. (Available only in Japanese)
December 10, 2012
- The information of the 16th NRA Commission Meeting has been renewed.
- The 1st meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the provisional record has been posted on web. (Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga NPS; the provisional record of the evaluation meeting has been posted on web. (Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga NPS; the evaluation meeting scheduled on December 11 has been canceled.
- The 1st meeting of the study team on emergency monitoring will be held.
- The 3rd meeting of the study team on nuclear emergency preparedness measures will be held.
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP 【PDF：261KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Dec 2-4 ,2012) 【PDF：399KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 6, 7, 8, 2012) 【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 8, 2012) 【PDF：101KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 6,7,8, 2012) 【PDF：140KB】
- Readings of Environmental Radiation Level by emergency monitoring （Dec 7, 2012) 【PDF：209KB】
- Extraordinary press conference of an external expert team under the NRA will be held. Monitoring data has been posted on web.
- The 2nd meeting of the study team on radiation emergency medicine; the provisional record has been posted on web. (Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga NPS; the provisional record of the evaluation meeting has been posted on web. (Available only in Japanese)
- The 1st meeting of the study team on preparing the new safety regulation system for the nuclear power reactor facilities for electric generation; the provisional record has been posted on web. (Available only in Japanese)
December 7, 2012
- The NRA has received an implementation plan on Specified Nuclear Power Facilities of Tokyo Electric Power Co., Inc. including measures for ensuring security and protection of the specified nuclear fuel material. 【PDF：51KB】
- The NRA has received the results of additional investigations (interim report) of the fracture zone in the site of Shika Nuclear Power Station, Hokuriku Electric Power Co., Inc. 【PDF：47KB】
- The 16th NRA Commission Meeting will be held.
- The 13th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 5, 2012) 【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 3, 4, 8, 9, 2012) 【PDF：100KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 26, 2012) 【PDF：111KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 5, 2012) 【PDF：139KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Oct 25, 2012) 【PDF：107KB】
- Procurement information has been renewed. (Available only in Japanese)
- The press conference of NRA Chairman; supplementary documents have been added. (Available only in Japanese)
- The 3rd meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation: the distributed documents have been posted on web. (Available only in Japanese)
- The study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation: experts’ self-declarations have been added on web. (Available only in Japanese)
December 6, 2012
- The 1st meeting of the study team on nuclear emergency preparedness measures: the provisional record has been posted on web. (Available only in Japanese)
- The 15th NRA Committee Meeting; the provisional record has been posted on web. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 4, 2012) 【PDF：84KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 4, 2012) 【PDF：153KB】
- The 6th meeting of the study team on the new safety standards for light water reactors for electric power generation will be held.
- The 2nd meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the distributed documents have been posted on web. (Available only in Japanese)
December 5, 2012
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 3, 2012) 【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 14, 16, 22, 26, 2012) 【PDF：115KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec, 3, 2012) 【PDF：157KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 22, 26, 2012) 【PDF：332KB】
- Regarding the implementation status of the safety assessment of the impact of ground motion and tsunami on the facilities at Tomari Nuclear Power Station, Hokkaido Electric Power Co., Inc. 【PDF：48KB】
- Procurement information has been renewed.(Available only in Japanese)
- The 15th NRA Commission Meeting; the distributed documents have been posted on web.(Available only in Japanese)
December 4, 2012
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga NPS; the evaluation meeting will be held.
- The information on “NRA’s supervision/direction of the investigation of fracture zones in NPS sites” has been renewed. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 2, 2012) 【PDF：84KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 2, 2012) 【PDF：140KB】
- Readings of Environmental Radiation Level by emergency monitoring (Dec 3, 2012) 【PDF：209KB】
- The site investigation of TEPCO’s Fukushima Daiichi NPS will be implemented by the Study Team on Monitoring and Assessment for Specified Nuclear Power Facilities on December 6, 2012.
- The study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation: experts’ self-declarations have been added on web. (Available only in Japanese)
December 3, 2012
- The information of the 15th NRA Commission Meeting has been renewed.
- The 2nd meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident will be held.
- Monitoring data has been posted on web.
- Readings of Integrated Dose at Sampling Point out of 20 km Zone of TEPCO Fukushima Dai-ichi NPP 【PDF：546KB】
- Readings of air dose rate in 20km Zone of TEPCO Fukushima Dai-ichi NPP（Nov 25～28 ,2012) 【PDF：1.1MB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 29,30, 2012) 【PDF：89KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Dec 1, 2012) 【PDF：86KB】
- Distribution map of radioactivity concentration in the marine soil around TEPCO Fukushima Dai-ichi NPP (Converted as dry soil) (Sampling Date: Oct 13, 2012) 【PDF：307KB】
- Readings of Environmental Radiation Level by emergency monitoring (Vov 30, 2012) 【PDF：214KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 22, 29, 2012) 【PDF：329KB】
- Distribution map of radioactivity concentration in the marine soil around TEPCO Fukushima Dai-ichi NPP (Converted as dry soil) (Sampling Date: Oct 9- Nov 9, 2012) 【PDF：298KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 29, 30, Dec, 1, 2012)【PDF：159KB】
- The 2nd meeting of the study team on radiation emergency medicine; the distributed documents have been posted on web. (Available only in Japanese)
November 30, 2012
- The NRA has received a report from JAEA on the leakage of radioactive material occurred in the JMTR, Tokai Daini NPS.【PDF：53KB】
- Public comments have been renewed. (Available only in Japanese)
- The 15th NRA Commission Meeting will be held.
- The 1st meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 28, 2012) 【PDF：88KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 28, 2012) 【PDF：154KB】
- Regarding the 5th Japan Korea Senior Regulators Meeting 【PDF：51KB】
- The English version of NRA leaflet has been posted on web. 【PDF：1.9MB】
- The 3rd meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation will be held.
- The 1st meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident; the distributed documents have been posted on web. (Available only in Japanese)
- The 2nd meeting of the study team on nuclear emergency preparedness measures; the distributed documents have been posted on web.(Available only in Japanese)
- The 1st Expert Meeting on following up to the recommendations of the committees established under the diet and the government relating to TEPCO’s Fukushima Daiichi Nuclear Accident will be held. 【PDF：48KB】
November 29, 2012
- Expert meeting on the investigation of the fracture zone in the site of Higashidori Nuclear Power Station, Tohoku Electric Power Company: the provisional record of the preliminary meeting has been posted on web. (Available only in Japanese)
- The 12th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)
- Expert meeting on the investigation of the fracture zone in the site of Higashidori Nuclear Power Station; the provisional record of the preliminary meeting has been posted on web. (Available only in Japanese)
- The 14th NRA Commission Meeting; the provisional record has been posted on web. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 27, 2012) 【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 16, 17, 22, 2012) 【PDF：326KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 27, 2012) 【PDF：154KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Oct 17, 21, 22, 25, 2012) 【PDF：143KB】
- The 5th meeting of the study team on the new safety standards for light water reactors for electric power generation: the distributed documents have been posted on web. (Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga Nuclear Power Station; regarding the implementation of the on-site investigation
- Regarding receipt of a report on the implementation status of additional geological investigation of faults in the site of Higashidori Nuclear Power Station, Tohoku Electric Co., Inc. 【PDF：48KB】
November 28, 2012
- The 2nd meeting of the study team on radiation emergency medicine will be held.
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 26, 2012) 【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 26, 2012) 【PDF：154KB】
- The 14th NRA Commission Meeting; the distributed documents have been posted on web. (Available only in Japanese)
November 27, 2012
- The information on “NRA’s supervision/direction for the investigation of the fracture zones in NPS sites” has been renewed. (Available only in Japanese)
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Sep 21, 2012) 【PDF：28KB】
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Oct 15, 16, 2012) 【PDF：209KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 22, 23, 24, 25, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 22, 23, 24, 25, 2012) 【PDF：140KB】
- Readings of Environmental Radiation Level by emergency monitoring (Nov 26, 2012) 【PDF：208KB】
- The 2nd meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation; the distributed documents have been posted on web. (Available only in Japanese)
- Expert meeting on the investigation of the fracture zone in the site of Tsuruga Nuclear Power Station: the distributed documents of the preliminary meeting have been posted on web. (Available only in Japanese)
November 26, 2012
- Monitoring data has been posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Ibaraki Prefecture (Sampling Date: Nov 13, 14, 16, 2012) 【PDF：237KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 21, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 8, 15, 2012) 【PDF：107KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 21, 2012) 【PDF：139KB】
- Readings of Environmental Radiation Level by emergency monitoring (Nov 22, 2012) 【PDF：204KB】
- The 1st meeting of the study team on health controls of the residents related to the Fukushima Daiichi Nuclear Accident will be held.
- The 2nd meeting of the study team on nuclear emergency preparedness measures will be held.
- The information of the 14th NRA Commission Meeting has been renewed.
- The 5th meeting of the study team on the new safety standards for light water reactors for electric power generation will be held.
- The 1st meeting of the study team on radiation emergency medicine; the provisional record has been posted on web. (Available only in Japanese)
November 23, 2012
- Expert meeting on the investigation of the fracture zone in the site of Higashidori Nuclear Power Station, Tohoku Electric Power Company; the distributed documents of the preliminary meeting have been renewed. (Available only in Japanese)
- Expert meeting on the investigation of the fracture zone in the site of Tsuruga Nuclear Power Station; experts’ self-declarations have been posted on web. (Available only in Japanese)
November 22, 2012
- Information on FY 2012 new contract for translation service for NRA documents and the documents of international/overseas organizations
- The 14th NRA Commission Meeting will be held.
- Regarding receipt of an additional geological investigation plan on faults in the site of Ohi Nuclear Power Station, Kansai Electric Co., Inc.
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 20, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 20, 2012) 【PDF：107KB】
- Implementation status of safety regulations and safety inspections at the decommissioning stage has been posted on web. (Available only in Japanese)
- Expert meeting on the investigation of the fracture zone in the site of Higashidori Nuclear Power Station, Tohoku Electric Power Company; the distributed documents of the preliminary meeting have been posted on web. (Available only in Japanese)
- The 1st meeting of the study team on nuclear emergency preparedness measures; the distributed documents have been posted on web (Available only in Japanese).
November 21, 2012
- Safety regulations on the operational stage； the implementation status of the safety inspections has been posted on web. (Available only in Japanese)
- The 2nd meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactors for electric power generation will be held.
- Expert Meeting on the investigation of the fracture zone in the site of Tsuruga Nuclear Power Station； a preliminary meeting will be held.
- The 12th NRA Commission Meeting; the provisional records have been posted on web. (Available only in Japanese)
- The NRA evaluated the report on additional responses to the event that a steel beam mistakenly fell into the spent fuel pool in Unit 3 at Fukushima Daiichi NPS.
- Monitoring data has been posted on web.
- The 13th NRA Commission Meeting； the distributed documents have been renewed. (Available only in Japanese)
- The 4th meeting of the study team on the new safety standards for light water reactors for electric power generation； the distributed documents have been posted on web. (Available only in Japanese)
- The 3rd meeting of the study team on the new safety standards for light water reactors for electric power generation； the provisional records have been posted on web. (Available only in Japanese)
- The 2nd meeting of the study team on the new safety standards for light water reactors for electric power generation； the provisional records have been posted on web. (Available only in Japanese)
- The distributed documents for Chairman’s press conference have been posted on web. (Available only in Japanese)
- The 13th NRA Commission Meeting； the distributed documents have been posted on web. (Available only in Japanese)
November 20, 2012
- Expert Meeting on the investigation of the fracture zone in the site of Higasidori Nuclear Power Station, Tohoku Electric Company； experts’ self-declarations have been posted on web. (Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in the site of Higashidori NPS, Tohoku Electric Company； a preliminary meeting will be held.
- Monitoring data has been posted on web.
- The 12th NRA Commission Meeting； the distributed documents have been posted on web. (Available only in Japanese)
- The study team on establishment of new safety regulations for nuclear reactor facilities for electric power generation； the expert members’ self-declarations have been posted on web. (Available only in Japanese)
- The 1st meeting of the study team on establishment of new safety regulations for nuclear reactor facilities for electric power generation； the distributed documents have been posted on web. (Available only in Japanese)
November 19, 2012
- The NRA received a report with revision regarding additional responses to the incident that a steel beam fell into the spent fuel pool of Unit 3, Fukushima Daiichi NPS. 【PDF：53KB】
- The information on “NRA’s supervision of the investigation of the fracture zones in NPS sites” has been renewed. (Available only in Japanese)
- The 1st meeting of the study team on nuclear emergency preparedness measures will be held.
- The 1st meeting of the study team on the new safety design standards on earthquakes and tsunamis for light water reactor facilities for electric power generation； the distributed documents have been posted on web. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 15, 2012) 【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 3, 2012) 【PDF：318KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 15, 2012) 【PDF：156KB】
- Readings of Environmental Radiation Level by emergency monitoring (Nov 16, 2012) 【PDF：208KB】
November 16, 2012
- The 12th NRA Commission Meeting； additional information has been posted on web.
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 14, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 14, 2012)【PDF：153KB】
- The NRA has received a report from JAEA on the states of and its responses to accidents and malfunctions, etc. regarding the events requiring reports in accordance with laws and regulations at the Materials Testing Reactor facility (JMTR) of Oarai Research and Development Center. 【PDF：38KB】
- The NRA received a report from the Japan Atomic Power Company regarding review on the procedures of additional inspections of the fracture zone and active fault interlock in the site of Tsuruga NPS. 【PDF：53KB】
- The “government decree on designating the enforcement date in part of the Nuclear Regulatory Commission Establishment Act” has been approved at the Cabinet meeting.
November 15, 2012
- The 13th NRA Commission Meeting will be held.
- The 12th NRA Commission Meeting will be held.
- The 11th NRA Commission Meeting； the provisional records have been posted on web. (Available only in Japanese)【PDF：95KB】
- The study team on the new safety design standards on earthquakes and tsunamis for light water reactor facilities for electric power generation； experts’ self-declarations have been posted on web. (Available only in Japanese)
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 13, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 13, 2012) 【PDF：139KB】
- The 4th meeting of the study team on the new safety standards on light water reactors for electric power generation will be held.
- The 2nd meeting of Nuclear Facility Satety Information Allegation Committee was held. (Available only in Japanese)【PDF：95KB】
- The 1stmeeting of the study team on radiation emergency medicine； the distributed documents have been posted on web. (Available only in Japanese)
November 14, 2012
- The 10th NRA Commission Meeting； the provisional records have been posted on web. (Available only in Japanese)【PDF：95KB】
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 12, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 12, 2012) 【PDF：139KB】
- The NRA received a report from Kanto Aircraft Instrument Co., Ltd. on finding uncontrolled nuclear fuel material. 【PDF：51KB】
- NRA Chairman’s press conference； the distributed documents have been posted on web. (Available only in Japanese)
- The 11th NRA Commission Meeting； the distributed documents have been posted on web. (Available only in Japanese)
November 13, 2012
- The 1st meeting of the study team on the new safety design standards for earthquakes and tsunamis for light water reactor facilities will be held.
- Monitoring data has been posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 9, 10, 11, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 9, 10, 11, 2012) 【PDF：141KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Nov 10, 12, 2012) 【PDF：97KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Oct 13, 2012) 【PDF：108KB】
- Readings of Environmental Radiation Level by emergency monitoring (Nov 12, 2012) 【PDF：205KB】
- The 1st meeting of the study team on establishment of new safety regulations for nuclear reactor facilities will be held.
November 12, 2012
- The information on the 11th NRA Commission Meeting has been renewed.
- The 1st meeting of the study team on nuclear emergency medicine will be held.
- The information on “NRA’s supervision of the investigation of the fracture zone in the NPS sites” has been renewed. (Available only in Japanese)
- Monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 8, 2012) 【PDF：86KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 13, 14, 16, 17, 2012) 【PDF：316KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 8, 2012)【PDF：154KB】
- Readings of Environmental Radiation Level by emergency monitoring (November 9, 2012) 【PDF：210KB】
November 9, 2012
- The 11th NRA Commission Meeting will be held.
- The 10th NRA Commission Meeting; the distributed documents are posted on web. (Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the provisional records of the 2nd evaluation meeting have been posted on web (Available only in Japanese).【PDF：347KB】
- The NRA has received a report from JAEA on the leakage of radioactive material in the non-radiation controlled area in the Materials Testing Reactor facility (JMTR) at Oarai Research and Development Center.【PDF：347KB】
November 8, 2012
- The 9th NRA Commission Meeting; the provisional records have been posted on web. (Available only in Japanese)【PDF：290KB】
- Monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 6, 2012)【PDF：82KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 24, 2012)【PDF：152KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: NPP Nov 6, 2012)【PDF：330KB】
- Distribution map of radioactivity concentration in the marine soil around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 4 - 28, 2012)【PDF：306KB】
- The provisional records of the 1st meeting of the study team on the new safety standards for light water reactors for electric power generation have been posted on web. (Available only in Japanese)【PDF：426KB】
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the distributed documents of the 2nd evaluation meeting have been renewed on web (Available only in Japanese).
- The 10th NRA Commission Meeting will be held.
November 7, 2012
- The NRA provided Hokkaido Electric Power Co., Inc. with the response to their inquiry about interpretations of laws regarding the recurrence prevention countermeasure construction work for the damage of a thermocouple drawing tube in Unit 3 reactor at Tomari Nuclear Power Station.【PDF：48KB】
- The nuclear reactor facilities in Fukushima Daiichi Nuclear Power Station have been designated as Specified Nuclear Facility【PDF：44KB】
- Monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 5, 2012) 【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 5, 2012) 【PDF：312KB】
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the distributed documents of the 2nd evaluation meeting are posted on web. (Available only in Japanese)
- The 9th NRA Commission Meeting; the distributed documents have been posted on web (Available only in Japanese).
November 6, 2012
- The NRA extraordinary press conference will be held.
- The NRA received a follow-up report from TEPCO regarding the bend of the water rods of the fuel assemblies in Unit 5 at Kashiwazaki Kariwa Nuclear Power Station.【PDF：44KB】
- Monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 2, 3, 4, 2012) 【PDF：87KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 30, 2012) 【PDF：312KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Nov 2, 3, 4, 2012) 【PDF：158KB】
- Readings of Environmental Radiation Level by emergency monitoring (Nov 5, 2012)【PDF：255KB】
- Results of Environmental Radiation Level in Tokyo Bay, the sea off the Coast of Fukushima Prefecture, and the sea off the Coast of Ibaraki Prefecture.【PDF：905KB】
- The NRA received a report from Kanto Aircraft Instrument Co., Ltd. on their finding of nuclear fuel material which was not under control.【PDF：53KB】
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the provisional records of the 1st evaluation meeting have been posted on web. (Available only in Japanese)
- The 3rd meeting of the study team on the new safety standards for light water reactors for electric power generation will be held.
November 5, 2012
- The information on the 9th NRA Commission Meeting has been renewed on web.
- The information on “NRA’s supervision of the investigation of the fracture zone in the NPS sites” has been renewed. (Available only in Japanese)
- Monitoring data is posted on web.
November 4, 2012
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the 2nd evaluation meeting will be held.
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; an additional document of the evaluation meeting has been posted on web. (Available only in Japanese)
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the distributed documents of the evaluation meeting have been posted on web. (Available only in Japanese)
November 2, 2012
- The 9th NRA Commission Meeting will be held.
- The study team on the new safety standards for light water reactors for electric power generation; the experts’ self-reports are posted on web. (Available only in Japanese)
- Monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 31, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 31, 2012) 【PDF：152KB】
- The NRA has been reported on “the states of and responses to an accident and malfunction, etc.” regarding “the event with an obligation of report stipulated by laws” in the Materials Testing Reactor facility (JMTR) at Oarai Research and Development Center of Japan Atomic Energy Agency (JAEA).【PDF：40KB】
November 1, 2012
- NRA leaflet (Japanese version) has been posted on web.【PDF：7.3MB】
- The 8th NRA Commission Meeting; the provisional records have been posted on web. (Available only in Japanese)
- Monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 30, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 30, 2012) 【PDF：152KB】
October 31, 2012
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station: Regarding Implementation of Site Investigation【PDF：42KB】
- Regarding Implementation Status of Safety Assessment on the Impact of Earthquake and Tsunami (Kansai Electric Power Co., Inc., Japan Atomic Power Company, Japan Atomic Energy Agency) 【PDF：53KB】
- Regarding Receipt of Additional Investigation Results (Interim Report) on the Fracture Zone in Ohi Nuclear Power Station of Kansai Electric Power Co., Inc.【PDF：41KB】
- Regarding the Report of Nuclear Safety Inspection (compliance inspection of Operational Safety Program) conducted during the 2nd quarter period in FY 2012. (Available only in Japanese)
- The meetings with more than three NRA commissioners are posted on web. (Available only in Japanese)
- The 2nd meeting of the study team on the new safety standards for light water reactors for electric power generation: the distributed documents are posted on web. (Available only in Japanese)
- The monitoring data is posted on web.
- Regarding the issue of a certificate for the pre-operation test in relation to the changes of Oarai Research and Development Center Specified Waste Control Facility of Japan Atomic Energy Agency (JAEA)【PDF：51KB】
- The 8th NRA Commission Meeting; the distributed documents are posted on web. (Available only in Japanese)
October 30, 2012
- Expert meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the evaluation meeting will be held.
- The monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP(Sampling Date: Oct 26, 27, 28, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP - Sr-89, Sr-90 - (Sampling Date: Jun 25, 2012) 【PDF：113KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP - Sr-89, Sr-90 - (Sampling Date: Jul 19, 2012)【PDF：115KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 26, 27, 28, 2012)【PDF：154KB】
- Readings of Environmental Radiation Level by emergency monitoring (October 29, 2012)【PDF：250KB】
October 29, 2012
- The NRA received a report from Chubu Electric Power Co., Inc. regarding its approach to improvement of seismic safety of Unit 2 reactor at Hamaoka Nuclear Power Station.【PDF：42KB】
- The distributed documents of the extraordinary NRA press conference have been renewed. (Available only in Japanese)
- The information of the 8th NRA Commission Meeting has been renewed.
- The extraordinary NRA press conference is held.
- The information on “Supervising the investigation of the fracture zone in the NPS sites by the NRA” has been renewed. (Available only in Japanese)
- The monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP(Sampling Date: Oct 25, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 23, 2012) 【PDF：308KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 25, 2012)【PDF：152KB】
- Readings of Environmental Radiation Level by emergency monitoring (October 26, 2012)【PDF：248KB】
October 26, 2012
- The NRA received a report from TEPCO regarding the bend of the water rods of the fuel assemblies in Unit 5 at Kashiwazaki Kariwa Nuclear Power Station.【PDF：37KB】
- The 8th NRA Commission Meeting will be held.
- The 2nd meeting of the study team on the new safety standards for light water reactors for electric power generation will be held.
- The monitoring data is posted on web.
October 25, 2012
- The NRA received a report regarding leakage of radioactive material in the non-control area of a material test reactor (JMTR) in Oarai Research and Development Center of Japan Atomic Energy Agency.【PDF：42KB】
- Regarding a Hearing from the Licensee (TEPCO) on the Items Required for Measures to Fukushima Dai-ichi NPS【PDF：35KB】
- The 7th NRA Commission Meeting; the (provisional) record is posted on web. (Available only in Japanese)
- Regarding the partial change of the additional investigation plan of the fracture zone in the site of Shika Nuclear Power Station, Hokuriku Electric Power Co., Inc.【PDF：44KB】
- The monitoring data is posted on web.
- The distributed documents for the 1st meeting of the study team on the new safety standards for light water reactors for electric power generation are posted on web. (Available only in Japanese)
October 24, 2012
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the (provisional) record of the preliminary meeting is posted on web. (Available only in Japanese)
- “Regarding supervising the investigation of the fracture zone in the NPS sites by the NRA” is renewed. (Available only in Japanese)
- The monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 22, 2012)【PDF：84KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 17, 21, 2012) 【PDF：328KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP(Sampling Date: Oct 22, 2012)【PDF：151KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Sep 14, 18, 26, 2012) 【PDF：137KB】
- The 7th NRA Commission Meeting; the distributed documents are posted on web. (Available only in Japanese)
October 23, 2012
- The monitoring data is posted on web.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 19, 20, 21, 2012) 【PDF：85KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 19, 20, 21, 2012) 【PDF：154KB】
- Readings of Environmental Radiation Level by emergency monitoring (October 22, 2012)【PDF：249KB】
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the distributed documents of the preliminary meeting are posted on web. (Available only in Japanese)
October 22, 2012
- The information on the 7th NRA Commission Meeting has been renewed.
- The 6th NRA Commission Meeting; the (provisional) record is posted on web. (Available only in Japanese)
- The information on “Regarding supervising the investigation of the fracture zone in the NPS site by the NRA” is renewed. (Available only in Japanese)
- The monitoring data is posted on web.
- Distribution map of radioactivity concentration in the seawater around coast of Ibaraki Prefecture (Sampling Date: Oct 9, 10, 12, 13, 2012) 【PDF：676KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 18, 2012) 【PDF：88KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 10, 2012) 【PDF：331KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 16, 2012) 【PDF：310KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: NPP Oct 18, 2012) 【PDF：155KB】
- Readings of Environmental Radiation Level by emergency monitoring (October 19, 2012)【PDF：256KB】
- The 1st meeting of the study team on the new safety standards for light water reactors for electric power generation is held.
October 19, 2012
- Expert Meeting on the investigation of the fracture zone in Ohi Nuclear Power Station; the experts’ self-reports are posted on web. (Available only in Japanese)
- The NRA directed TEPCO regarding the bend of the water rods of the fuel assemblies in Unit 5 at Kashiwazaki Kariwa Nuclear Power Station.【PDF: 48KB】
- Monitoring results are posted.
- The documents of the 6th NRA Commission Meeting are posted. (Available only in Japanese)
October 18, 2012
- Short-hand record of the 5th NRA Commission Meeting is posted. (Available only in Japanese)
- Monitoring results are posted.
October 17, 2012
- The 1st experts meeting (prior meeting) regarding the investigation of the fracture zone in Ohi Nuclear Power Station will be held.
- NRA directed TEPCO regarding water leakage containing radioactive material in the turbine building of Unit 3 at Fukushima Daiichi NPS【PDF：48KB】
- Monitoring results are posted.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 15, 2012)【PDF：84KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep.11, 2012)【PDF：319KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 15, 2012)【PDF：152KB】
- Radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Sep.11, 2012)【PDF：128KB】
- The handout for the press conference of Chairman, etc. is posted. (Available only in Japanese)【PDF: 119KB】
- The documents of the 5th NRA Commission Meeting are posted. (Available only in Japanese)
October 16, 2012
- The 6th NRA Commission Meeting is held.
- Monitoring results are posted.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 12, 13, 14, 2012)【PDF：84KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 12, 13, 14, 2012)【PDF：154KB】
- Readings of Environmental Radiation Level by emergency monitoring【PDF：249KB】
October 15, 2012
- The notice of the 5th NRA Commission Meeting is renewed.
- Monitoring results are posted.
- Distribution map of radioactivity concentration in the seawater around coast of Ibaraki Prefecture (Sampling Date: Sep 12, 2012)【PDF：675KB】
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Sep 4, 2012)【PDF：614KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 11, 2012)【PDF：87.7KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 10, 2012)【PDF：321KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 11, 2012)【PDF：155KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Sep 10, 2012)【PDF：130KB】
- Readings of Environmental Radiation Level by emergency monitoring【PDF：252KB】
October 12, 2012
- Monitoring results are posted.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 10, 2012)【PDF：96KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jun 11, 2012)【PDF：100KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jul 9, 2012)【PDF：102KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Aug 3, 6, 7, 17, 2012)【PDF：98KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 10, 2012)【PDF：151KB】
- The 5th NRA Commission Meeting is held.
October 11, 2012
- Short-hand record of the 4th NRA Commission Meeting is posted.
- Monitoring results are posted.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 9, 2012)【PDF：96KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 4, 5, 10, 11, 2012)【PDF：319KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 9, 2012)【PDF：152KB】
- Distribution map of radioactivity concentration in the marine soil around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Jul 31- Aug 28, 2012)【PDF：295KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Sep 7, 2012)【PDF：126KB】
- Monitoring results of radioactivity concentration of warter and sediments in rivers and sources of water, etc. at former evacuation-prepared area in case of emergency and areas in which evacuation orders are ready to be lifted) (English version of this document is unavailable. Only in Japanese.)【PDF：210KB】
October 10, 2012
- Monitoring results are posted.
- Readings of Environmental Radiation Level by emergency monitoring (Oct 9, 2012)【PDF：249KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 6,8, 2012)【PDF：153KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 2,3, 2012)【PDF：304KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 6,8, 2012)【PDF：97KB】
- The documents of the 4th NRA Commission Meeting are posted.
October 9, 2012
- Monitoring results are posted.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 10, 2012)【PDF：97KB】
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Sep 4, 2012)【PDF：611KB】
- Readings of Environmental Radiation Level by emergency monitoring (Oct 5, 2012)【PDF：254KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Sep 4, 2012)【PDF：122KB】
October 5, 2012
- The notice of the 4th NRA Commission Meeting is renewed.
- Monitoring results are posted.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 3, 2012)【PDF：152KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Oct 3, 2012)【PDF：96KB】
- Chairman Tanaka’s Appearance on the cabinet public relations radio program “Information From Prime Minister’s Office”【PDF：46KB】
October 4, 2012
- Short-hand record of the 3rd NRA Commission Meeting is posted.
- NRA receives a report regarding the incident that a steel beam fell into the spent fuel pool in Unit 3 at Fukushima Daiichi NPS.【PDF：48KB】
- Monitoring results are unavailable due to bad weather conditions.
- The 4th NRA Commission Meeting is held.
- The Nuclear Regulation Authority received a report from Chubu Electric Power Company Inc. regarding the results of confirming flaws found in cylinder liners of the emergency diesel generator at the prototype fast breeder reactor “Monju”, operated by Japan Atomic Energy Agency (JAEA).【PDF：38KB】
- The Nuclear Regulation Authority received the notification of alteration from Japan Nuclear Fuel Limited regarding the time of completion of construction of the Rokkasho Reprocessing Plant.【PDF：38KB】
October 3, 2012
- Population Data in areas around Nuclear Power Plants are posted.(English version is unavailable. Only in Japanese.)【PDF：4.12MB】
- The hand-out documents of the press conference of Chairman are posted.
- Monitoring results are unavailable due to bad weather conditions.
- NRA receives the report “Regarding the State of Storage and Treatment of Accumulated Water Containing High Concentration of Radioactive Material at Fukushima Dai-ichi Nuclear Power Station, Tokyo Electric Power Co., Inc. (the 67th report)”.【PDF：38KB】
- The documents of the 3rd NRA Commission Meeting are posted.
October 2, 2012
- Monitoring results are posted.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling date: Sep 30, 2012)【PDF：151KB】
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling date: Sep 30, 2012)【PDF：98KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 27, 2012)【PDF：309KB】
- Information on NRA’s interviews with operators, etc. is posted.
October 1, 2012
- The notice of the 3rd NRA Commission Meeting is renewed.
- Monitoring results are posted.
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Aug 22,23,28,30 2012)【PDF：338KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Aug 24, 28, 29 2012)【PDF：143KB】
- Readings of Environmental Radiation Level by emergency monitoring 【PDF：248KB】
- NRA receives TEPCO’s report “Regarding the Reliability Assessment of Thermometers in Reactors and Thermometers in PCVs of Units 1, 2, and 3 at Fukushima Daiichi NPS (submitted in October, 2012)”【PDF：37KB】
September 28, 2012
- The short-hand records and video clips for the press conference of Chairman, etc. are posted.
- The Nuclear Regulation Authority received a report from Tokyo Electric Power Company Inc. (TEPCO) on the result of the root cause analysis relating to the noncompliance to the Operational Safety Program.【PDF：52KB】
- The Nuclear Regulation Authority received a report from Japan Atomic Energy Agency regarding the results of comprehensive evaluation on the integrity of the nuclear facility using seismic response analysis.【PDF：46KB】
- NRA receives the revised report from TEPCO regarding the present states of seismic safety, etc. of reactor buildings at Fukushima Daiichi NPS.【PDF：37KB】
- NRA receives the report on the incorrect input data used in the evaluation of structural strength and seismic capacity of the spent fuel dry cask temporary storage facility in “Regarding Report on a Facility Operation Plan based on the Concept of Securing the Mid-term Safety for Units 1 to 4 at Fukushima Daiichi NPS”.【PDF：38KB】
- NRA receives reports from operators on seismic countermeasures in switchyards relating to ensuring reliability of external power supply at NPPs, etc.【PDF：73KB】
- Monitoring results are posted.
- The 3rd NRA Commission Meeting is held.
- The short-hand record of the 2nd NRA Commission Meeting is posted.
September 27, 2012
- Monitoring results are posted.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 25, 2012)【PDF：97KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 25, 2012)【PDF：115KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Aug 22,23, 2012)【PDF：328KB】
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Aug 24, 2012)【PDF：677KB】
September 26, 2012
- Monitoring results are posted.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 24, 2012)【PDF：97KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling Date: Sep 24, 2012)【PDF：115KB】
- Distribution map of radioactivity concentration in the marine soil around coast of Fukushima Prefecture and TEPCO Fukushima Dai-ichi NPP (Sampling Date: May 14, 2012)【PDF：363KB】
- NRA issues a direction on the incident that a steel beam fell into the spent fuel pool in Unit 3 at Fukushima Daiichi Nuclear Power Station.【PDF：73KB】
- NRA receives the report “Regarding the State of Storage and Treatment of Accumulated Water Containing High Concentration of Radioactive Material at Fukushima Daiichi Nuclear Power Station, Tokyo Electric Power Co., Inc. (the 66th report)”.【PDF：38KB】
- Documents of the 2nd NRA Commission Meeting are posted.
September 25, 2012
- Monitoring results are posted.
- Readings of Environmental Radiation Level by emergency monitoring (Measuring date: Sep 21, 2012)【PDF：251KB】
- Readings of Environmental Radiation Level by emergency monitoring （Measuring date: Sep 24, 2012)【PDF：25KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling date: Sep 21, 22 and 23, 2012)【PDF：117KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling date: Aug 21, 2012)【PDF：147KB】
September 24, 2012
- Monitoring results are posted.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling date: Sep 24, 2012)【PDF：97KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling date: Sep 20, 2012)【PDF：150KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling date: Apr 16, 2012)【PDF：209KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling date: Sep 18, 2012)【PDF：295KB】
- Webpage information of the former nuclear organizations, etc. moves to the NRA website.
- NRA received a report from Tokyo Electric Power Co., Inc. (TEPCO) regarding the Plan towards Radiation Dose Reduction at the Site Boundaries of Fukushima Dai-ichi Nuclear Power Station.【PDF：48KB】
September 21, 2012
- The 2nd NRA Commission Meeting is held.
- The Nuclear Regulation Authority received reports from nuclear operators on recording and thorough storing the record at the time of accidents, etc.【PDF：40KB】
- Monitoring results are posted.
- Radioactivity concentration in the seawater near TEPCO Fukushima Dai-ichi NPP (Sampling date: Sep 21, 2012)【PDF：126KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling date: Sep 19, 2012)【PDF：150KB】
- Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Dai-ichi NPP (Sampling date: Aug 17, 2012)【PDF：352KB】
- Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling date: Aug 20, 2012)【PDF：174KB】
- Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling date: Aug 17, 2012) 【PDF：706KB】
- The short-hand records of the 1st NRA Commission Meeting are posted.
September 20, 2012
- The documents of the 1st NRA Commission Meeting are posted.
- NRA receives the report “Regarding the State of Storage and Treatment of Accumulated Water Containing High Concentration of Radioactive Material at Fukushima Dai-ichi Nuclear Power Station, Tokyo Electric Power Co., Inc. (the 65th report)”.【PDF：38KB】
September 19, 2012
- The Nuclear Regulation Authority launches.
- The 1st NRA Commission Meeting is held.
- The inaugural ceremony of the Nuclear Regulation Authority is held.
- The joint press conference of NRA commissioners is held.
