Estimated and measured 1m height environmental radioactivity level at monitoring posts in 47 prefectures (Monitoring Date: Feb 2, 2017)
4-3-2-4 Radiation survey of environment
Distribution map of seawater radioactivity near and around Fukushima Daiichi Nuclear Power Plant (Sampling Date: Jan 5, 7, 2017)
Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Jan 11, 12, 2017)
Results of environmental monitoring at each NPSs etc. [as of 9; 00 June 20, 2011]
Radioactivity density of seawater (Attachment)
Results of nuclide analysis of seawater (Attachment)
Detection of radioactive materials from seawater near Fukushima Daiichi Nuclear Power Station (158th release)
Radioactivity density of seawater (Appendix)
Nuclide analysis results of seawater (Appendix)