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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 10)

Fukushima Daiichi NPS Prompt Report 2013

Fukushima Daiichi NPS Prompt Report (Jul 23, 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 10)

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.

As of the steam coming from near the central part of the fifth floor (equipment storage pool side) of Unit 3 at around 9:05 AM today (July 23), it had been observed intermittently. However, it was not found from 1:30 PM to 2:30 PM, so we have judged that the steam has disappeared.

No abnormalities of the plant status and the monitoring post readings have been found as of 2:30 PM.

- 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 23.2℃, humidity 83.1%
* The weather condition is as of 2:00 PM.

We will continue to monitor the status closely.


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