Japan: Nuclear and Industrial Safety Agency Seismic Damage Information (the 73th Release) (As of 15:00 April 4th, 2011)

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Major updates are as follows.

  1. Nuclear Power Stations (NPSs)

Fukushima Dai-ichi NPS

  • Fresh water injection to the Spent Fuel Pool of Unit 2 via the Spent Fuel Pool Cooling Line using the temporary motor-driven pump was carried out. (From 11:05 till 13:37 April 4th)

  • From 2 April, the stagnant water in the Main Building of Radioactive Waste Treatment Facilities was being transferred to the turbine building of Unit 4. As the water level in the vertical portion of the trench for Unit 3 rose from 3 April, by way of precaution, the transfer was suspended notwithstanding that the path of the water was not clear. (09:22 April 4th)

Reference to TEPCO's Website:

Press Release (Apr 04,2011) Plant Status of Fukushima Daiichi Nuclear Power Station