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Top > Releases ・ Announcements > Fukushima Daiichi NPS Prompt Report > 2013 > Steam Found Near the Central Part of the Fifth Floor (Equipment Storage Pool Side) of Unit 3 Reactor Building at Fukushima Daiichi Nuclear Power Station (Follow-up Information 24)

Fukushima Daiichi NPS Prompt Report 2013

Fukushima Daiichi NPS Prompt Report (Sep 17, 2013)Steam Found Near the Central Part of the Fifth Floor (Equipment Storage Pool Side) of Unit 3 Reactor Building at Fukushima Daiichi Nuclear Power Station (Follow-up Information 24)

This is a follow-up report on the statuses of steam found wafting through the air near the central part of the fifth floor (equipment storage pool side) of Unit 3 on July 18.

Although the steam has not found since around 8:00 AM on September 16, at around 8:00 AM today (on September 17), we found steam coming again from near the central part of the fifth floor (equipment storage pool side) of Unit 3 by a camera.

No abnormality has been found on the plant status and the monitoring post readings at present (as of 8:08 AM).

- Reactor water injection, cooling of the spent fuel pool:
Continuing stably
- Monitoring post readings, continuous dust monitor amounts:
No significant change was found
- Temperature of RPV/PCV:
No significant change was found
- Pressure of dry well:
No significant change was found
- Noble gas monitor:
No significant change was found
- Nitrogen injection
Continuing stably
- Weather condition:
Air temperature 21.9℃, humidity 63.3%
* The weather condition is as of 8:00 AM on September 17.

We will continue to monitor the status closely.


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