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Originally posted by Soulwarrior
reply to post by SFA437
I've very much been captivated by your breakdown of the blast at the Fukushima plant and I'd like to toss an idea your way and see if it has any validity. So, for your review...
I think we are all pretty settled on that in the reactor building hydrogen and oxygen existed in sufficient amounts to trigger a blast. Now if for whatever reason that blast was the first in a series would it be possible that the force from it would be capable of at least causing a slight breech of the multiple layers of concrete in the access directly on top of the reactor pressure vessel?
Additionally, after the hydrogen explosion in the reactor buildings over pressurization effect would a negative pressure exist that would allow extreme pressures of hydrogen within a compromised RPV to rapidly expand and then ignite?
I could imagine then it would result in the incredibly directed upward explosion using the RPV and its surrounding concrete tomb as the means of providing it that incredible upward direction.
I put this idea forth to the thread. Maybe those booms that where not explosive in nature are the fracturing of the layers of concrete in the access on top of the reactor core that we've seen in the cutaway diagrams as ignited gasses underneath came tearing out. I'll differ to the SME's on this for sure.
Originally posted by apacheman
NHK just reported TEPCO finding a crack in a "pit" near #2 reactor. Water is leaking from it.
Radiation measured at 1,000 millisieverts/hour.[
The operator of the crippled Fukushima Daiichi nuclear plant is working hard to restore systems that cool reactors in a stable manner by circulating massive volumes of water.
Currently, freshwater is being poured directly into the reactors and the pools containing spent nuclear fuel rods, to cool them down.
But the plant operator wants to restore the functions of the cooling systems that circulate water inside the reactors and the pools for spent fuel. The freshwater is cooled down by seawater.
On Friday, Tokyo Electric Power Company installed temporary pumps at 4 reactors, from No. 1 to No. 4. The pumps will be used to capture seawater to cool down the circulating freshwater.
But pipes and pumps used to cool the reactors may have been damaged by the quake, and radiation levels in the reactor buildings remain too high to check their condition.
TEPCO says it may take time to restore the cooling systems, as it has to take emergency measures and wait for radiation levels to go down.
It says it will consider developing other cooling methods.
Saturday, April 02, 2011 09:05 +0900 (JST)
The Prime Minister's visit to the northeast came as TEPCO said it has found that highly radioactive water was leaking into the sea from a 12-inch crack in a wall of the No.2 reactor at the Fukushima Daiichi nuclear power plant....
....It said the water was leaking from the crack in the wall of a 2-metre deep pit that contains power cables near the water intake of the reactor, national broadcaster NHK reported.
TEPCO is preparing to pour concrete into the cracked pit to stop the leak of radioactive water. The radiation detected in water in the basement of the turbine building at the No.2 reactor was about 100,000 times the normal level.
Plant operator Tokyo Electric Power Co. said it has found a 20-centimeter crack in a two-meter-deep chamber holding cables for the No. 2 reactor, which is believed to be leaking highly toxic water from its nuclear core.
It the conduit, which is 10 to 20 centimeters deep in radioactive water, workers found a highly dangerous airborne contamination of more than 1,000 millisieverts an hour. The contamination level of the water itself wasn't immediately available. That high a level of radioactivity has also been found in a trench used to carry cables and various piping for the No. 2 unitonline.wsj.com...
"There is the potential, when you're talking about certain types of seafood, that you can have reconcentration," said Ed Lyman of the Union of Concerned Scientists, a respected U.S. non-government organisation that focuses on nuclear safety.........
Radioactive elements are hazardous in food because when ingested their radiation can damage DNA in cells, with the potential to cause cancer.www.eturbonews.com...
"What worries me more is if caesium and plutonium get into the system," he said, referring to two radioactive heavy metals whose half-lives are around 30 years and potentially thousands of years respectively.
Once in seawater, radiation can hurt ocean animals in several ways—by killing them outright, creating "bizarre mutations" in their offspring, or passing radioactive material up the food chain, according to Joseph Rachlin, director of Lehman College's Laboratory for Marine and Estuarine Research in New York City.
"There will be a potential for a certain amount of lethality of living organisms, but that's less of a concern than the possible effects on the genetics of the animals that become exposed," Rachlin said.
"That's the main problem as I see it with radiation—altering the genetics of the animal and interfering with reproduction."
Originally posted by VinceH
Originally posted by Wertwog
Originally posted by zorgon
Originally posted by Wertwog
He appears to be laying slightly tilted toward his right side with his arm laying across his waist. He doesn't move in the video, I'm assuming he's very dead. It's a wonder to me no one in the MSM has picked this up yet? Sad. Very sad.
Nice catch I missed that too...
Maybe he is just taking a nap...*insert wishful thinking*. I do wonder why he is so "intact" if he was caught up in the blast and landed here.
I posted a few pages back about that, but this thread moves so fast...
I don't think he was there during the blast or he would be in a lot worse condition. The suit looks too clean, there doesn't appear to be any severe trauma and he is on top of the debris pile. My guess is that he was sent in after the fact to investigate; especially with all the talk about trying to get the cooling systems back on line. Now the thing of note becomes: an immediately lethal dose of radiation is a lot... orders of magnitude higher than we have been told about. Maybe this is an indicator of what the levels really are... any why the area seems abandoned (save for some work well away from the reactors).
Originally posted by Procharmo
Among the places Horie worked was Tokyo Electric Co.’s now-infamous Fukushima No. 1 Nuclear Power Plant. According to his book, as recounted by AMPO:
Workers are recruited from all over the country attracted by a daily wage of 5,000 to 10,000 yen and sent into the plants with hardly any knowledge of radiation. (Until a few years ago the workers were recruited from slums such as Sanya in Tokyo, Kamagasaki in Osaka and buraku – where Japanese outcasts live – in the Kansai area.
According to Morie, many of the Americans subcontracted by General Electric at the Fukushima plant were African-American (this photograph depicts a black GE subcontractor at the Fukushima plant in 1980). AMPO wrote:
Morie shows in detail how the conditions in nuclear power plants make irradiation control difficult. Tokyo Electric’s Fukushima No. 1 nuclear power plant is said to be the most contaminated nuclear power plant in the world, and Japan Atomic’s Tsuruga plant (scene of a major accident in 1981) is also notorious for its loose radiation control…It is naturally subcontracted workers (and a “foreigners squad” of black workers sent from the U.S. by General Electric and Westinghouse) who are to work under such a high radioactive dose.
Now what I'm asking you all is if Americans (GE/Westinghouse employees) saw TEPCO recruiting poor so called nuclear gypsies from Japanese poor districts.
Do you think it was morally correct to fly all the way back to the US and set up recruitment from poor black areas to just to make as much profit as TEPCO were from the exploited workers.
Anyway it's good to know that the praise for the Fukishima 50 or Nuclear Samurai includes "Black Americans" as well as poor Japanese.
Originally posted by JustMike
reply to post by mendel101
yes it's weird how nothing much seems evident on those webcam shots, especially as we know for sure the explosion occurred on that day according to NHK, it happened at 11:01 a.m.
But then, there have been various oddities with those webcam images, like the building that seems to lose half its upper structure (except for its framework) then magically is back to normal an hour later (on March 26 at 1600 hours and again on March 28 at the same time), and then on March 29 at 1600 hours the same building's upper half is missing completely! But don't worry, folks... It's back again an hour later...
I'm not sure if I really trust those images...
How do we know how much radiation is reaching Canada from Fukushima? Physicians for Global Survival asked, in a press release today. They added that physicians for Global Survival "would like more openness from safety regulators and government about all isotopes, honesty about methods of measurement and regular updates about risks to vulnerable populations."
"Physicians for Global Survival is deeply concerned about the long term health of populations exposed due to accidental or planned releases of radioactivity from Fukushima and from domestic power plants."