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Originally posted by Dalke07
In last 2 days, radiation extremely increased ..
4/29 _ 6100
4/28 _ 6550
4/27 _ 4250
4/26 _ 4250
4/25 _ 4250
4/24 _ 4250
4/23 _ 4250
4/22 _ 4200
4/21 _ 4200
4/20 _ 4300
4/19 _ 4350
4/18 _ 4450
4/17 _ 4250
4/16 _ 4400
4/15 _ 4900
4/14 _ 4850
4/13 _ 4850
4/12 _ 4750
4/11 _ 4900
4/10 _ 5000
4/09 _ 4900
4/08 _ 4950
4/07 _ 4950
Originally posted by vox2442
OP - how did you find this page?
I can't seem to navigate to it from their main page here: atmc.jp... No hotlinks on the site (that I can see) lead to that page.
Considering there is no fuel in reactor 4 (and hasn't been for several months now) those readings in the Suppression Chamber would seem to be impossible.
My guess is that you changed the URL from plant/rad/?n=1 to plant/rad/?n=4 - and that's taken you to a page with a glitch of some kind.
Now, Unit 4 was the exception. There was a 105-day-old full core offload, and of course Unit 4 is where the problem was.
MR. RULAND: Just to kind of put this in perspective, the spent fuel pools -- we don't know what the condition of the spent fuel pools were after the seismic event.
MEMBER REMPE: I'm talking about just
MR. RULAND: We don't know
MEMBER REMPE: -- structure, John.
MR. RULAND: We don't know structurally what their condition was. We don't know how much water was in the spent fuel pools after the seismic event. And we don't know how much water was in after the explosion. So there is lots of uncertainty to -- you know, trying to -- you know, truly it is a rough estimate. Anything that we could have done was a rough estimate about time to boil.CHAIRMAN ABDEL-KHALIK: But in terms of geometry, there were indications that there is a shallow part of the pool. And if that is the case, was the full core offload for Unit 4 placed in the shallow part of the pool?
The Fukushima Daiichi Incident
4. Spend fuel pools
Spend fuel stored in Pool on
Reactor service floor
Due to maintenance in Unit 4 entire
core stored in Fuel pool
Dry-out of the pools
· Unit 4: in 10 days
· Unit 1-3,5,6 in few weeks
Leakage of the pools due to
Core melt „on fresh air “
Nearly no retention of fission
It is currently unclear if release
from fuel pool already happened
Originally posted by ANNED
Its a balancing act to control the amount of cooling without overflowing radioactive water outside of the cooling pool.
As long as the radioactive material is trapped in the cooling water and in the fuel pool i am not that worried.
The whole point now is to keep the fuel covered and cooling to buy time till they can get to the stage of cleanup and removing the fuel to a safe site.
With all the damaged reactors they are going to need to design and build a lot of robots to do the cleanup and that will take time.