Tepco conducted robot survey in reactor1 building TIP room and South area on the first floor. (11:40 ~ 15:47 of 7/4/2012)
Tepco used 4 robots (2 Quinces and 2 PackBots) but couldn’t have them open the door to the TIP room though they managed to insert the key.
They couldn’t enter TIP room ,but near the penetration area on the floor beside TIP room, they measured 5.15 Sv/h, which was the highest reading in this investigation. This is where the pipe coming through floor.
Last June, steam was observed coming up from this place.
7 nuclear workers were involved in the investigation. The planned dosage was 6mSv, but Tepco’s spokesman announced it was 0.76Sv in total. Because this is extremely high level of dosage, we need to verify if it was not misstatement.
In TIP room, there are variety of nuclear instrumentation and pipes connected to inside of the vessel, Tepco is seeking the way to look inside of the vessel by using it like they did in reactor2. Also, they need to check if melted fuel comes up through the pipes.
This website updates the latest news about the Fukushima nuclear plant and also archives the past news from 2011. Because it's always updated and added live, articles, categories and the tags are not necessarily fitted in the latest format.
I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
Actually, nothing has progressed in the plant since 2011. We still don't even know what is going on inside. They must keep cooling the crippled reactors by water, but additionally groundwater keeps flowing into the reactor buildings from the broken parts. This is why highly contaminated water is always produced more than it can circulate. Tepco is planning to officially discharge this water to the Pacific but Tritium is still remaining in it. They dilute this with seawater so that it is legally safe, but scientifically the same amount of radioactive tritium is contained. They say it is safe to discharge, but none of them have drunk it.