The reports on our facility management plan for Unit 1-4 of Fukushima Daiichi Nuclear Power Station based on the "Policy on the Mid-term Security" (Version 1, Revision 2^*1), (Version 2, Revision 2^*2) and (Version 3, Revision^*3) were corrected and submitted to the Nuclear and Industrial Safety Agency (NISA) of the Ministry of Economy, Trade and Industry today.

The following corrections have been made this time.

Report on our facility management plan for Unit 1-4 of Fukushima Daiichi Nuclear Power Station based on the "Policy on the Mid-term Security" (Version 1, Revision 2)
- Highly radioactive contaminated water treatment facility, storage facilities (such as tanks), spent sludge storage facility, spent cesium absorption tower storage facility and related equipments (transfer pipes and pumps, etc.)
- Buildings where highly radioactive contaminated water is stored (or accumulated)

Report on our facility management plan for Unit 1-4 of Fukushima Daiichi Nuclear Power Station based on the "Policy on the Mid-term Security" (Version 2, Revision 2)
- Spent fuel dry cask temporary storage facility

Report on our facility management plan for Unit 1-4 of Fukushima Daiichi Nuclear Power Station based on the "Policy on the Mid-term Security" (Version 3, Revision)
- Radiation protection and control
- Radiation monitoring
- Instructions on managing radiation exposure through radioactive materials and objects contaminated by radioactive materials and disposing radioactive waste
- Radioactive liquid waste treatment facility and related facilities/equipments

The following related to deplexing of the diesel generator for the spare nitrogen supply equipment (nitrogen gas separator on the hill) installed as a countermeasure against the Tsunami, etc. has also been changed.

Report on our facility management plan for Unit 1-4 of Fukushima Daiichi Nuclear Power Station based on the "Policy on the Mid-term Security" (Version 1, Revision 2)
- Nitrogen injection equipment in the PCV

We will continue our utmost efforts in ensuring safety at Unit 1-4 of Fukushima Daiichi Nuclear Power Station in accordance with the facility management plan (version 1-3) we have developed.

Attachments
- Highly radioactive contaminated water treatment facility, storage facilities (such as tanks), spent sludge storage facility, spent cesium absorption tower storage facility and related equipments (transfer pipes and pumps, etc.) (PDF 3.98MB)
- Buildings where highly radioactive contaminated water is stored (or accumulated)(PDF 2.25MB)
- Nitrogen injection equipment in the PCV (PDF 518KB)
- Spent fuel dry cask temporary storage facility (PDF 6.88MB)
- Radiation protection and control (PDF 299KB)
- Radiation monitoring (PDF 219KB)
- Instructions on managing radiation exposure through radioactive materials and objects contaminated by radioactive materials and disposing radioactive waste (PDF 755KB)
- Radioactive liquid waste treatment facility and related facilities/equipments (PDF 2.14MB)

*1 "Report on our facility management plan for Unit 1-4 of Fukushima Daiichi Nuclear Power Station based on the "Policy on the Mid-term Security" (Version 1, Revision 2)" Submitted to NISA on December 6, 2011 (Previously announced on December 7, 2011) and changed on August 2, 2012.

*2 "Report on our facility management plan for Unit 1-4 of Fukushima Daiichi Nuclear Power Station based on the "Policy on the Mid-term Security" (Version 2, Revision 2)"
Submitted to NISA on March 7, 2012, partially corrected on March 28, changed on April 23, corrected on June 5 and changed/corrected on July 4 and August 13, 2012.

*3 "Report on our facility management plan for Unit 1-4 of Fukushima Daiichi Nuclear Power Station based on the "Policy on the Mid-term Security" (Version 3, Revision)"
Submitted to NISA on March 7, 2012, changed on April 23, corrected on June 25, changed on July 12, partially corrected on July 18 and changed on August 2 and 13, 2012.

The aforementioned documents are available only in Japanese. We apologize for the inconvenience this may cause.