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Top > Releases ・ Announcements > Fukushima Daiichi NPS Prompt Report > 2013 > Water Leak from the Underground Reservoirs in Fukushima Daiichi Nuclear Power Station (Follow-up Information No.25)

Fukushima Daiichi NPS Prompt Report 2013

Fukushima Daiichi NPS Prompt Report (Apr 09, 2013)Water Leak from the Underground Reservoirs in Fukushima Daiichi Nuclear Power Station (Follow-up Information No.25)

This is follow-up information regarding the water leak from the underground reservoirs at Fukushima Daiichi NPS.

The results of the sampling performed in the drain holes (at 2 locations) of the underground reservoir No.1 in the afternoon on April 9 are as follows.

- Water in the drain hole (in the northeast side) of the underground reservoir No.1
Sampling performed at 5:40 PM on April 9
Chloride concentration: 7ppm

- Water in the drain hole (in the southwest side) of the underground reservoir No.1
Sampling performed at 5:40 PM on April 9
Chloride concentration: 14ppm

We will continue to strengthen monitoring water levels etc. at the underground reservoir No.1.


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