Fukushima Nuclear Accident Update Log, Updates of 3 May 2011

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IAEA Briefing on Fukushima Nuclear Accident (3 May 2011, 19:50 UTC) On Tuesday, 3 May 2011, the IAEA provided the following information on the current status of nuclear safety in Japan:

Presentation: → Summary of Reactor Status

  1. Current situation

Overall, the situation at the Fukushima Daiichi nuclear power plant remains very serious.

Changes to Fukushima Daiichi plant status

The IAEA receives information from various official sources in Japan through the Japanese national competent authority, the Nuclear and Industrial Safety Agency (NISA). The Update Brief is based on information received by the IAEA Incident and Emergency Centre by 17:00 UTC on 2 May 2011.

Management of on-site contaminated water

According to the 25 April evaluation by NISA of the report submitted by the Tokyo Electric Power Company (TEPCO), there is a little less than 70,000 tonnes of stagnant water with high level radioactivity in the basement of the turbine buildings of Units 1, 2 and 3.

The stagnant water (around 120 m3) in the basement of the turbine building of Unit 6 was transferred to a temporary tank on 1 May. The transfer of stagnant water from the basement of the turbine building of Unit 6 was resumed on 2 May.

Work to block the Unit 2 trench pit was started on 1 May.