Monitoring data at three sites in Ibaraki prefecture [14; 00 August 3, 2011]
4-3-2-4 Radiation survey of environment
Reading of environmental radioactivity level by prefecture [14; 00 August 3, 2011]
Reading of the radiation rate with the cooperation of universities [June 17, 2011]
Reading of environmental radioactivity level by prefecture [14; 00 June 18, 2011]
Reading of environmental radioactivity level by prefecture [14; 00 June 19, 2011]
Reading of the radiation rate with the cooperation of universities [June 18, 19, 2011]