Reading of environmental radioactivity level by prefecture [19; 00 April 20, 2011]
4-3-2-4 Radiation survey of environment
Reading of the radiation rate with the cooperation of universities [April 20, 2011]
Reading of environmental radioactivity level by prefecture [13; 00 April 21, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [July 25, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [July 29, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [August 1, 2011]