Reading of radioactivity level in fallout by prefecture [9; 00 March 24～9; 00 March 25, 2011]
4-3-2-4 Radiation survey of environment
Reading of radioactivity level in fallout by prefecture [9; 00 March 25～9; 00 March 26, 2011]
Reading of radioactivity level in fallout by prefecture [9; 00 March 26～9; 00 March 27, 2011]
Reading of radioactivity level in fallout by prefecture [9; 00 March 27～9; 00 March 28, 2011]
Reading of radioactivity level in fallout by prefecture [9; 00 March 28～9; 00 March 29, 2011]
Reading of radioactivity level in fallout by prefecture [9; 00 March 29～9; 00 March 30, 2011]
Reading of the radiation rate with the cooperation of universities [July 15, 2011]
Monitoring data at three sites in Ibaraki prefecture [14; 00 July 16, 2011]