Tag "vent"

Back to homepage

1.6 Sv/h on the first floor of reactor1 / Highly radioactive source is in the vent pipe

Note : If you are from the international mass media, Don’t read this site before having a contact with me.     1.6 Sv/h was measured on the first floor


Radiation level of the damaged stack is 10 Sv/h

Following up this article..8 damages found on the stack for reactor1&2 / 66 m from the ground [URL]   For the question of the press, Tepco admitted the radiation level


I-131 detected 9km NW of Fukushima plant 2.5 hours before the first venting of reactor1

According to METI (Ministry of Economy, Trade and Industry), I-131 was measured in Namiemachi 2.5 hours before the first venting of reactor1. The sample was the dust in atmosphere. The

Contaminated water crisis

Robot investigated the lower part of the vent pipe of reactor2, “No water leakage was found”

From 3/13/2013 to 3/14/2013, Tepco had the quadrupedal walking robot investigate the lower part of vent pipe of reactor2. Tepco reported they didn’t find any water leakage.   http://www.tepco.co.jp/en/nu/fukushima-np/handouts/2013/images/handouts_130313_03-e.pdf http://www.tepco.co.jp/en/nu/fukushima-np/handouts/2013/images/handouts_130314_01-e.pdf

Core removing struggle Cover-ups

Tepco vented PCV of reactor1 after nuclear fuel melted through the RPV, twice

According to JNES’s report “Severe Accident Analyses of Fukushima-Daiich Units 1 to 3″ published on IAEA general conference of 9/17/2012, Tepco vented PCV twice after nuclear fuel melted through RPV


[M7.3] Reactor1 of Fukushima Daini discharged air from reactor building to have positive pressure

According to Tepco, Fukushima Daini had an increase of air pressure inside of the reactor building though they announced there was no problem after the M7.3. Tepco reported like this