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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 12)

Fukushima Daiichi NPS Prompt Report 2013

Fukushima Daiichi NPS Prompt Report (Jul 24,2013)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 12)

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.

At around 4:15 AM today (July 24), we found steam coming from near the central part of the fifth floor (equipment storage pool side) of Unit 3 by a camera.

The plant status and the monitoring post readings at 5:00 AM are as follows, and no abnormality has been found.

- 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:
No significant change was found
- Weather condition:
Air temperature 18.3℃, humidity 91.2%
* The weather condition is as of 4:20 AM.

We will continue to monitor the status closely.