Reading of radioactivity level in fallout by prefecture [9; 00 May 19～9; 00 May 20, 2011]
4-3-2-4 Radiation survey of environment
Reading of radioactivity level in fallout by prefecture [9; 00 May 20～9; 00 May 21, 2011]
Reading of radioactivity level in fallout by prefecture [9; 00 May 21～9; 00 May 22, 2011]
Reading of radioactivity level in fallout by prefecture [9; 00 May 22～9; 00 May 23, 2011]
Reading of environmental radioactivity level by prefecture [19; 00 March 19, 2011]
Reading of environmental radioactivity level by prefecture [13; 00 March 20, 2011]