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originally posted by: wishes
a reply to: RickinVa
Thanks for posting it. 250,000 tons of bagged, radioactive dirt laying around and Tepco has no time to answer questions. Yes, I'm sure they're full time busy covering their butts, er I mean solving the problems. *sigh*
Does anyone know why they can't recycle the water being used to cool it instead of continually contaminating fresh water?
originally posted by: TheWetCoast
a reply to: RickinVa Uranium-238/235 and Plutonium-239 etc. go though the process of nuclear decay; that means fission. The core of Reactor #3 WILL GO CRITICAL eventually. If the only isotope involved was Uranium-238, the process would take at least a million years. With Uranium-235 and Plutonium-239 involved the Corium could become unstable at any moment.
TEPCO to transfer unused fuel rods to new location
The operator of the crippled Fukushima Daiichi plant will alter its plan to transfer the fuel rods from the number 4 damaged reactor building. Some fuel rods will be stored at a new location in the plant.
Tokyo Electric Power Company says it will apply for approval for the change of plan to the Nuclear Regulation Authority shortly.
As part of the decommissioning efforts of the reactor, work has been underway since last November at the damaged reactor building to transfer more than 1,500 assemblies of spent and unused fuel rods from its pool to a common fuel storage pool in the compound.
In the run-up to the transfer, TEPCO planned to make space in the common pool by removing fuel rods which had already been stored there. It decided to place them in casks.
But the utility says delayed confirmation of the casks' safety has prevented it from preparing the rods in time for the planned transfer.
The company says that with the common pool remaining partially occupied, it will be obliged to transfer and store part of the fuel rods from the number 4 building in the number 6 reactor building instead. Specifically, it will transfer the 180 assemblies of unused fuel rods that are emitting comparatively lower levels of radiation.
The number 6 reactor was offline at the time of the 2011 disaster and escaped serious damage.
TEPCO officials say they hope to begin the transfer to the number 6 building in November. They plan to remove all rods from the number 4 building by the end of this year as scheduled.
Jun. 19, 2014 - Updated 02:56 UTC
17,000 Bq/Kg of Cs-134/137 from soil of a public drinking fountain in Yaita city Tochigi Posted by Mochizuki on June 19th, 2014 · 10 Comments Share on facebookShare on twitterShare on emailShare on printMore Sharing Services A Japanese citizen posted on Twitter his radiation analysis result to measure 17,000 Bq/Kg of Cesium-134/137. The sampling date was 6/17/2014. It was soil taken from a public drinking fountain of Happo-gahara parking lot (The picture and map are attached below) in Yaita city Tochigi. Cs-134 density was 4,221 Bq/Kg, Cs-137 density was 12,353 Bq/Kg (16,574 Bq/Kg in total). It is not clear if the soil could have been mixed with water, but still extremely high level of radioactive material is found in Kanto area.
Pediatrician “Increasing nosebleed in nursery schools reported in academic meeting. Some Doctors ”eye signaled”” Posted by Mochizuki on June 17th, 2014 · 13 Comments Share on facebookShare on twitterShare on emailShare on printMore Sharing Services A Japanese citizen commented on Twitter that the increasing nosebleed among nursery schools in Tokyo was reported in academic meeting. Also, some of the member doctors have already evacuated themselves to be absent from the meeting. 9:34 6/17/2014 “A pediatrician that I always consult said that it was reported in the recent academic meeting that nursery school children have nosebleed unusually increasingly in Tokyo. Some doctors made eye signals at each other to stay silent. Some other doctors spat out “Recent children are weak.”. The rest of the doctors didn’t attend the meeting, which means, they have already left here.”
originally posted by: TheWetCoast
a reply to: Silverlok The Corium from reactor #3 should be considered to be VERY unstable. When Plutonium-239 absorbs neutrons it can create Plutonium-240(which is considered to be unstable). I guess we will have to just wait and see what happens.
TEPCO: Contamination could spread in deep water
The deep layer of water is about 25 meters below the surface. Water there was found to be contaminated on June 4th, when 4,700 becquerels of tritium per liter were detected in a well near the No. 1 reactor building.
Nuclear body to examine delay in freezing water
Japan's nuclear regulatory body will examine the delay in efforts to prevent radiation-contaminated wastewater from flowing into underground tunnels at the damaged Fukushima Daiichi nuclear power plant.
About 11,000 tons of water used to cool melted-down fuel has leaked out of reactor buildings into underground utility tunnels, from where it is believed to be flowing out to sea.
Tokyo Electric Power Company began pouring a chemical solution into the joints between the reactor buildings and the tunnels in April. This process is designed to freeze the wastewater and create a wall of ice to prevent more water from coming in. But the water has not fully frozen as planned.
At a meeting of the Nuclear Regulation Authority on Wednesday, Commissioner Toyoshi Fuketa said work to stop water flowing into the tunnels, the part of the problem with the highest risk, has been slow. He said until this work succeeds, there can be no discussions on a larger plan to freeze soil around the reactor buildings.
Chairman Shunichi Tanaka said the work needs to be monitored and guided, to ease public concern.
The authority plans to convene a meeting of experts to study why the water hasn't frozen as planned, and how to proceed.
Jun. 25, 2014 - Updated 10:16 UTC
Nuclear Expert “Fukushima plant is now like a swamp of radioactive material due to the contaminated water”
710,000 Bq/Kg of Cesium-134/137 detected from “iron sand” gathered by neodymium magnets
Google trend shows “Joint hurts” is searched increasingly since 2011 in Japan / Sr-90 accumulates in bone
Cesium-134/137 detected from the body of 20 citizens in Kashiwa city Chiba / 11 are under 6 years old