Distribution map of seawater radioactivity around TEPCO Fukushima Daiichi Nuclear Power Plant -total alpha, Sr- (Sampling Date: Mar 3, 2015)
4-3-2-4 Radiation survey of environment
Distribution map of seawater radioactivity around coast of Ibaraki Prefecture (Sampling Date: Mar 12, 2015)
Distribution map of radioactivity concentration in the seawater around TEPCO Fukushima Daiichi Nuclear Power Plant (Sampling Date: Mar 13, 16, 2015)
Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Mar 16, 2015)
Distribution map of radioactivity concentration in the seawater around coast and at offshore of Fukushima Prefecture (Sampling Date: Mar 12, 14, 17, 18, 19, 2015)
Seawater radioactivity near TEPCO Fukushima Daiichi Nuclear Power Plant (Sampling Date: Apr 19, 2015)
Readings at Reading Points out of 20 km zone of TEPCO Fukushima Daiichi Nuclear Power Plant
Estimated and measured 1m height environmental radioactivity level at monitoring posts in 47 prefectures (Monitoring Date: Apr 20, 2015)