Monitoring data at Ibaraki prefecture [13; 00 March 21, 2011]
4-3-2-4 Radiation survey of environment
Reading of environmental radioactivity level by prefecture [13; 00 March 21, 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 (95th release)
Radioactivity density of seawater (Appendix)
Radioactivity density of seawater (Attachment)
Results of nuclide analysis of seawater (Attachment)