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Here is the top page of this site. You will find "What's new" information, table of contents and abbreviations.

What's New

2021/12/3
Added 72 registration data to the Document Search database.
2021/11/15
Updated the data of the Charting tool.
2021/11/5
Added 61 registration data to the Document Search database.
2021/10/6
Added 53 registration data to the Document Search database.
2021/9/6
Added 40 registration data to the Document Search database.
2021/8/2
Added 55 registration data to the Document Search database.
2021/7/2
Added 61 registration data to the Document Search database.
2021/6/4
Added 54 registration data to the Document Search database.
2021/5/6
Added 65 registration data to the Document Search database.
2021/3/30
Added 65 registration data to the Document Search database.
2021/3/2
63 registration data have been added to the Document Search database.
2021/2/2
Added 49 registration data to the Document Search database.
2021/1/5
Added 52 registration data to the Document Search database.
2020/12/10
Added 209 registration data to the Document Search database.
2020/9/16
Added 326 registration data to the Document Search database.
2017/4/3
Progress status of decommissioning have been uploaded.
2017/2/13
Progress status of decommissioning have been uploaded.
2017/01/27
Charting tool added scatter plot, settings save functions.
2016/12/22
Progress status of decommissioning have been uploaded.
2016/11/7
Progress status of decommissioning have been uploaded.
2016/9/15
The English site was opened.

About the portal site

This information portal provides access to the technical information on accident analysis and decommissioning activities of the Fukushima Daiichi Nuclear Power Station (NPS). The knowledge and experience gained from the activities on accident response and decommissioning at the Fukushima Daiichi NPS are valuable worldwide and this information portal will facilitate information shareing with international communities.