The operator of the Fukushima Daiichi nuclear power plant said Tuesday that the radiation level inside the crippled No. 2 reactor stood at an extremely high level between 31.1 and 72.9 sieverts per hour, underscoring the existence of radioactive substances from the melted fuel inside the structure.
Tokyo Electric Power Co. measured the radiation level by inserting a long dosimeter into the round-bottomed, flask-shaped primary containment vessel, where fuel is thought to be accumulating at the bottom following the nuclear accident last year.
Continue reading at Fukushima No. 2 reactor radiation level up to 73 sieverts per hour
◇ in Japanese:
・被曝なら８分で死…２号機格納容器、最高の線量 via Yomiuri online