(English version) Distribution map of radioactivity concentration in the seawater around Fukushima Daiichi Nuclear Power Station -Sr- [Sampling Date; July 14, 2011]
4-3-2-4 Radiation survey of environment
Distribution map of radioactivity concentration in the seawater around Fukushima Daiichi Nuclear Power Station -gross alpha, gross beta-（Sampling Date; June 13～14, 2011)
(English version) Fukushima Prefecture environmental radioactivity monitoring results （Preliminary Values) [May 14, 2011]
Detailed analysis results of groundwater obtained around Unit 1-4 Building at Fukushima Daiichi Nuclear Power Station [2014-06-23]
Radioactivity density of seawater (Attachment)
Results of nuclide analysis of seawater (Attachment)
Detection of radioactive materials from seawater near Fukushima Daiichi Nuclear Power Station (32nd release)
Radioactivity density of seawater (Appendix)