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A Steel Beam Slipped and Fell into Unit 3 Spent Fuel Pool at Fukushima Daiichi NPS (Follow-up Report 2)

This is a follow-up report on the incident that a steel beam slipped and fell into Unit 3 spent fuel pool at Fukushima Daiichi NPS which occurred on September 22, 2012.

From 9:55 AM today (September 24), we started investigating on the condition (and location) of the steel beam which fell into the pool and the condition inside the pool using an underwater camera (remotely controlled).

There has been no significant change in the nuclide analysis results of Unit 3 spent fuel pool water and the monitoring post data since September 22.

[The nuclide analysis results on September 23]
Cesium 134: 2.5X103Bq/cm3
Cesium 137: 4.2X103Bq/cm3
Iodine 131: Below the detection limit (1.6X101Bq/cm3)

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