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Originally posted by Procharmo
Great photo's. Looks like the cask is going to be filled with the rods lying around the site.
Also the batteries were spent after the diesel generators failed. Did they overcharge them causing the fire?
Originally posted by Silverlok
a)a temp reading on the core could be from the pool finding its way through the concrete and now starting to melt/ heat the core steel ( would would raise the ambient metal temperature which is where they take the temp readings ). which could be bad if poolium is boring into tank full of water
b)Or it could be that the recent shaker broke a remaining 'wet' store of fissionable material loos in such a way that it fell into the core water allowing the broken bits to start creating slow neutrons ...I'd vote for a) if I had to guess
Originally posted by Silverlok
reply to post by AlaskanDad
where , I see a most destroyed pool ? with obvious rod structures dangling and what appear to be two poolium deposits hanging out the side of the building, not to ride ya , just curious...am I looking at the wrong picture
Originally posted by 1SawSomeThings
I accessed the EPA testing data at Radnet (under "All Results" only for some reason) website, looking for new posts. This is a condensed and sorted version of what was posted today 4-13-11.
For brevity I removed the columns for less common isotopes with ND or blank results. The units are all in pCi/l and the samples were all "precipitation". Some of the levels for I-131 were alarming in some areas IMO.
I care a lot about what's happening to the Japanese people and the environment. I'm also trying to look out for my little grandkids here in TX. But seriously nobody wants to know what coming down the pike in these parts.
Maybe EPA sampling in TX has been voted down for lack of popular demand.edit on 13-4-2011 by 1SawSomeThings because: add info
Originally posted by okiecowboy
reply to post by Silverlok
try this on for size and see if it fits...
If they had pulled Fuel rod Assemblies out beforehand for maint like they said..they also had fresh rods ready to go back into reactor all sitting in the SFP.." basicly a double layer "rerack" that leaves maybe 6 meters of water over fuel in SFP...
they were planning on offloading some old fuel as well
earthquake hit...the plants took damage before the Tsunami hit..as reported by canadian worker video...
in effort to hide fact the they were majorly breaking rules by double stacking..the decide to start sticking some back in reactor...and maybe in a cask?
Tsunami hits...with fuel in motion on fuel handling machine...maybe one load already in reactor...
fuel Assemblies come loose from FHM falling somewhere below SFP but outside of reactor...
could that be cause of the explosion below?
would that explain why there is a truck parked in the fuel loading bay of #4 in photos?
would that explain why 2 bodies were found in 4 when everyone else ran?
would that explain why very early reports were of seawater being injected into reactor 4...because it did have a little fuel in it?
and why and the world do they expect me to believe that they can get water samples from 4 SFP but can't take a dang pic while they are doing it???
It's interesting that Oak Ridge had cesium found when other TN locations did not. I'm betting it was there before the big earthquake in Japan ever hit. A 60-some-year-old nuclear plant with known safety issues pumping out weapons-grade uranium looks a little suspect.
Wednesday, April 13, 2011
#Fukushima I Nuke Plant: Reactor 4's Spent Fuel Pool Water Analysis
shows that the damage to the fuel rods in the Pool is only partial, if that, says TEPCO.
Asahi Shinbun (in Japanese; 12:58AM JST 4/14/2011) reports that TEPCO released the result of the test that it did on the water sample it had taken from the Spent Fuel Pool of the Reactor 4 on April 12. The result has not been posted on TEPCO's site, but from the Asahi article:
400 cc (0.4 liter) of water in the Pool was taken, using the concrete pump's boom, on April 12;
Iodine-131: 220 becquerels/cc
Cesium-134: 88 becquerels/cc
Cesium-137: 93 becquerels/cc
In normal operation of the reactor, these numbers would be less than 1 becquerel.
The numbers are low compared to the contaminated water in the turbine building in which these numbers are in several million becquerels, leading TEPCO to conclude that "part of the fuel rods may be damaged, but the majority of the rods in the Pool are intact."
Fuel rods were all under water (2 meters under water).
So is everything dandy at the Reactor 4?
Mainichi Shinbun (in Japanese; 10:23AM JST 4/13/2011) may be saying "Not so fast." Why? Because the temperature of the Pool is high, and the radiation level above the Pool is high.
The Spent Fuel Pool's temperature was found to be 90-degrees Celsius, higher than the temperature (84-degrees Celsius) when the hydrogen explosion happened on March 15. In addition, at 6 meters above the Pool, the radiation level was 84 milli-sievert/hr; during normal operation of the reactor, the radiation level there would be 0.0001 milli-sievert.
The Mainichi article says all TEPCO can do is to replenish the water in the Pool as it evaporates from the heat, until the water (coolant) circulation system is somehow restored to remove the heat.
And when will that be? According to TEPCO's president in the presser on April 13 that I watched, "all in good time" and he really doesn't know much of anything.
Sphere: Related Content
Temperature Rise To Over 200% Normal Levels At Reactor 4 Fuels Fear Of Spent Fuel Rod Meltdown
The Intel Hub
By Alexander Higgins – Contributing Writer
April 13th, 2011
A temperature rise in Fukushima Japan Nuclear Reactor #4 to over 200% normal levels and the new discovery of elements produced only during nuclear fission in the fuel ponds fuel fears that the spent fuel rods may be melting down.
The Tokyo Electric Power Company, or TEPCO, says the water temperature in the spent fuel storage pool at the No. 4 reactor in the crippled Fukushima nuclear plant has risen to about 50 degrees Celsius, over 200% higher than normal levels.
TEPCO fears the spent fuel rods may be damaged. Tepco also said it has found elements in the nuclear 4 spent fuel storage pool that are only caused during nuclear fission. This provides evidence that there is a meltdown underway in the number 4 reactor.
As previously noted there is no containment in the #4 reactor and top officials have raised concerns that any radioactivity leaking from reactor #4 is being released directly into the environment.
Originally posted by Aponi
Sometimes I'd like to chain them all together and march them into one of the reactor buildings. But in all fairness I have to ask myself if those are the people who deserve it. Do they make any real decisions? Or are they simply the yes-men and mouthpieces for the those who truly have power? Do they even know the truth? I guess I question whether they're only guilty of having a job and feeding their families or actually complacent in the lax safety issues, lies, and deceit we've witnessed. Without knowing, it doesn't seem quite fair to ask the scapegoat to fall on a sword. Now the actual higher-level executives, decision makers, and complacent politicians...for them I would personally learn blacksmithing to assist in creating the necessary supply of wakizashi to ensure their honorable demise.
Seems the Tokyo Electric Power Environmental Engineering Company is a subsidiary of TEPCO and is responsible for offshore seawater sampling according to a TEPCO press release.
With the recent plan implemented to dump 10,000 tons of radioactive water in to the ocean there could be further environmental damage which could very well lead to an increase in the number of groups criticizing TEPCO.
Countries such as South Korea have recently expressed concern about the radioactive water dumping as well.
The most interesting thing is criticism of TEPCO by the Japanese Media has been almost non-existent outside of independent reporters due to the cozy relationship TEPCO and the Japanese media have.
Originally posted by Aquarius1
April 13, 2011
Fukushima Severity Level Raised to 7 - Gundersen Discusses Lack of US Radiation Monitoring Data
Nuclear Engineer, Arnie Gundersen, discusses why TEPCO's announcement of an increased accident severity level should not be a surprise......