Mezue ahịrịokwu na-esonụ: E hiwere NRA site na Kọmitii Nchedo Nuclear, nke dị n'okpuru ikike nke Cabinet, na Nuclear and Industrial Safety Agency, nke dị n'okpuru Ministry of Economy, Trade and Industry (METI). Mgbe ọdachi nuklia Fukushima sochiri
Machị 11, 2011, ala ọma jijiji, usoro nchekwa nke gọọmentị hụrụ na ezughi oke. Ọzọkwa, NISA, ịnọ n'okpuru nche anwụ nke METI, nke bụkwa onye na-ahụ maka ịkwalite iji ike nuklia, ka a hụrụ dị ka inwe esemokwu nke mmasị. N'ihi ya, e guzobere ụlọ ọrụ ọhụrụ ahụ n'okpuru Ministry of Environment.