Radiation monitoring using manned helicopter around the Nuclear Power Station in the fiscal year 2015 (Contract research)

Sanada, Yukihisa   ; Munakata, Masahiro ; Mori, Airi; Ishizaki, Azusa  ; Shimada, Kazumasa ; Hirouchi, Jun ; Nishizawa, Yukiyasu; Urabe, Yoshimi; Nakanishi, Chika*; Yamada, Tsutomu*; Ishida, Mutsushi; Sato, Yoshiharu; Sasaki, Miyuki  ; Hirayama, Hirokatsu*; Takamura, Yoshihide*; Nishihara, Katsuya*; Imura, Mitsuo*; Miyamoto, Kenji; Iwai, Takeyuki; Matsunaga, Yuki; Toyoda, Masayuki; Tobita, Shinichiro; Kudo, Tamotsu ; Nakayama, Shinichi 

By the nuclear disaster of Fukushima Daiichi Nuclear Power Station (FDNPS), Tokyo Electric Power Company (TEPCO), caused by the East Japan earthquake and the following tsunami occurred on March 11, 2011, a large amount of radioactive materials was released from the NPS. After the nuclear disaster, airborne radiation monitoring using manned helicopter was conducted around FDNPS. In addition, background dose rate monitoring was conducted around Sendai Nuclear Power Station. These results of the aerial radiation monitoring using the manned helicopter in the fiscal 2015 were summarized in the report.