Tokyo Electric Power Co. concealed data showing spikes in radiation levels at the Fukushima No. 1 nuclear power plant in March, one day before a hydrogen explosion injured seven workers.  
 
The Asahi Shimbun obtained a 100-page internal TEPCO report containing minute-to-minute data on radiation levels at the plant as well as pressure and water levels inside the No. 3 reactor from March 11 to April 30.  
 
The data has never been released by the company that operates the stricken plant.  
 
The unpublished information shows that at 1:17 p.m. on March 13, 300 millisieverts of radiation per hour was detected inside a double-entry door at the No. 3 reactor building. At 2:31 p.m., the radiation level was measured at 300 millisieverts or higher per hour to the north of the door. Both levels were well above the upper limit of 250 millisieverts for an entire year under the plant's safety standards for workers. But the workers who were trying to bring the situation under control at the plant were not informed of the levels.  
 
When the Great East Japan Earthquake struck on March 11, the No. 1, No. 2 and No. 3 reactors all automatically shut down. But the tsunami crippled the emergency generators, leading to a total power failure that prevented the cooling systems from functioning.  
 
The TEPCO data also showed high levels of hydrogen may be emitting from the damaged core of the No. 3 reactor on March 13, when TEPCO started injecting seawater to cool the reactor.  
 
The following day around 11 a.m., a hydrogen explosion destroyed the upper part of the No. 3 reactor building. Seven TEPCO workers were injured in the blast.  
 
TEPCO's public relations department said the company has informed the public that significant levels of radiation have been detected at the plant, but it disclose specific data after a thorough review of the figures is completed.  
 
Keiji Miyazaki, professor emeritus of nuclear reactor engineering at Osaka University, criticized TEPCO's policy.  
 
He said such important data should be immediately released to ensure the safety of the public and workers at the plant, especially in an emergency like the Fukushima nuclear accident.  
 
Miyazaki said TEPCO's decision to conceal the data must be scrutinized.  
 
Failure to release radiation data in the early stages of the crisis is said to have delayed the evacuations of communities near the plant.  
 
Kiyoshi Sakurai, another nuclear power expert, said a thorough examination is needed not only on TEPCO's unpublished data, but also verbal communications of those involved, instructions issued by the central government and TEPCO, and the communication structure between management and workers at the plant.  
 
 
(This article was written by Kamome Fujimori, Tatsuyuki Kobori and Yo Noguchi.)  
 
source asahi shimbun

Schoolchildren's cumulative radiation exposure a year in Fukushima Prefecture would be about half the limit for their outdoor activities, if calculated under the current standards, according to the education ministry.
 
The finding has prompted the Ministry of Education, Culture, Sports, Science and Technology to convene a meeting to seek advice from experts on whether the outdoor activities of schoolchildren in the prefecture should be restricted.
 
University of Tokyo professor Toshiso Kosako has resigned as a nuclear adviser to Prime Minister Naoto Kan after criticizing the dose limit as too lax.
 
On the assumption that the hourly amount of radiation is 3.8 microsieverts -- the current standards for limiting children's outdoor activities during school hours -- the ministry calculated the levels of schoolchildren's cumulative radiation exposure, taking into account their activity patterns.
 
As a result, the ministry estimated the yearly amount of schoolchildren's cumulative radiation exposure to be 9.99 millisieverts -- well below the dose limit of 20 millisieverts per year.
 
Of the cumulative amount of radiation exposure a year, children are estimated to be exposed to 1.67 millisieverts, or 16.7 percent, while they are traveling between their homes and schools or staying at schools, and 8.32 millisieverts, 83.3 percent, when they are outside their schools.
 
In a separate survey, at 13 schools and kindergartens where outdoor activities had once been restricted, children's exposure to radiation is estimated at an average of 6.6 millisieverts a year, based on recent radiation levels in these areas.
 
The government has set the upper limit on children's exposure to radiation at 20 millisieverts a year. Based on the assumption that children stay outdoors for eight hours a day, it decided that children's outdoor activities during school hours should be restricted if the level of radiation exceeds 3.8 microsieverts per hour to prevent their annual exposure to exceed that limit.
 
In making the latest estimates, the ministry assumed that children stay outdoors for two hours a day and took into consideration the period of the half life of radiation, ministry officials said
 
Source mainichi shimbum

Radioactive substance detected in incinerator ashes in Tokyo
TOKYO, May 13, Kyodo
 
A highly radioactive substance was detected in incinerator ashes at a sewage plant in eastern Tokyo in late March, shortly after the start of the nuclear crisis at the Fukushima Daiichi nuclear power station, metropolitan government sources said FridayRadioactive substance detected in incinerator ashes in Tokyo
TOKYO, May 13, Kyodo
 
A highly radioactive substance was detected in incinerator ashes at a sewage plant in eastern Tokyo in late March, shortly after the start of the nuclear crisis at the Fukushima Daiichi nuclear power station, metropolitan government sources said Friday

Third worker dies at Japan's troubled nuclear plant
 
The cause of the worker's death was unknown. The man, in his 60s, was employed by one of Tokyo Electric's contractors and started working at the plant on Friday. He was exposed to 0.17 millisieverts of radiation on Saturday, Tokyo Electric said.

http://www.youtube.com/watch?v=Xqs [...] r_embedded

Tepco va revoir ses plans de refroidissement des réacteurs
 
Tepco, la Compagnie d'électricité de Tokyo, va devoir réviser son agenda actuel pour reprendre le contrôle de la centrale Fukushima Dai-ichi après la découverte d'une grande quantité d'eau radioactive dans le sous-sol de l'un des bâtiments des réacteurs.
 
L'exploitant pense que 3 000 tonnes d'eau contaminée se trouvent à présent dans le sous-sol du bâtiment endommagé du réacteur numéro 1 de la centrale.
 
Les barres de combustibles de ce réacteur auraient fondu et troué le fond de la cuve de pression. L'enceinte de confinement semble elle aussi endommagée et de l'eau fortement irradiée s'est infiltrée dans le sous-sol du bâtiment.
 
Tepco prévoyait à l'origine de remplir d'eau l'enceinte de confinement et de mettre en place un système de refroidissement.  
 
Mais la compagnie étudie à présent un nouveau projet pour évacuer l'eau du sous-sol directement à l'aide d'un filtre de décontamination et d'un échangeur de chaleur, puis pour la réinjecter dans le réacteur.
 
Ces problèmes en série vont retarder ses efforts pour reprendre le contrôle sur l'ensemble des réacteurs de la centrale.

Reactor No. 1 Suffers Nuclear Meltdown at Fukushima Daiichi, Radioactive Water Possibly Leaking
 
The top five feet of the core's 13 ft-long fuel rods had melted down after being exposed to the air.
 
The Tokyo Electric Power Company (Tepco) has announced that the No. 1 reactor at the Fukushima Daiichi nuclear power plant has suffered a nuclear meltdown.

Japan readies new tactics for Fukushima after setback
 
Japanese officials are readying a new approach to cooling reactors at the Fukushima nuclear plant after discovering an Olympic swimming pool-sized pond of radioactive water in the basement of a unit crippled by the March earthquake and tsunami.
 
The discovery has forced officials to abandon their original plan to bring under control the No. 1 reactor at the Fukushima Daiichi plant as they focus on how to deal with the rising pool that some experts see as a threat to groundwater and the Pacific coast.

In 22 samples of seaweed, ten contained five times the legal limit of iodine 131 and 20 times of caesium 137. This is an issue for several reasons, including the fact that the Japanese household consumes almost 7 lbs of seaweed annually, and fisherman are preparing to harvest this seaweed on May 20.

TEPCO to inject more water into No.1 reactor
 
The operator of the damaged Fukushima Daiichi nuclear power plant says it will increase the amount of water being injected into the Number One reactor in a study of how to stabilize the reactor, whose fuel rods are believed to have melted down.
 
Tokyo Electric Power Company says the water level in the reactor is now extremely low and that the pressure vessel protecting the reactor core has a hole and cracks as a result of the meltdown.
 
It says the containment vessel was also damaged, and has been leaking a large amount of highly radioactive water into the reactor building.
 
TEPCO is now reviewing its effort to cool the reactor by filling the containment vessel with water. It says it decided to increase the amount of water being injected into the reactor from 8 tons per hour to 10 tons per hour.
 
The company says it will monitor the water level, temperature, and pressure inside the containment vessel for 2 days.
 
The utility says if a certain water level is maintained inside the containment vessel, it is possible to set up a cooling system that circulates water from the containment vessel to a heat exchanger and back to the reactor.
 
The company says after studying data obtained from the operation, it will come up with a specific cooling method on Tuesday when it reviews the roadmap.
 
Sunday, May 15, 2011 14:48 +0900 (JST)

[Google trad] 11 mai, la préfecture de Kanagawa, des dépassements des normes de l'activité gouvernementale sur des plantations de thé plantés dans la ville de Minamiashigara (Cs) a été détecté. En outre, les fabricants d'aliments ont leur propre enquête, de plus de 50 km de la centrale nucléaire Fukushima Daiichi , un rayonnement de haute a été détectée à partir de la différence entre les chiffres numériques gouvernement a annoncé.
 
Selon cette fabricants de produits alimentaires, et de publier les résultats annoncés pour le moment mais il est trop grand pour être touchés et a refusé, à partir du sol de riz est probable que des concentrations élevées de plutonium ont été détectés.
 
D'autre part, tourné le 12 mai, de Fukushima Daiichi nucléaire Unité centrale TEPCO 1 réacteur a annoncé qu'il est possible que le trou.
 
Si il est vrai, doit toujours continuer à fournir l'eau pour refroidir les barres de combustible, il ya un risque de continuer à se jeter dans l'eau de mer contaminée par des niveaux élevés de radioactivité dans elle.
 
Fukushima Daiichi centrale nucléaire de contamination radioactive , mais semblent correspondre après l'explosion de vapeur, en fait, continue de contamination. Plus forte probabilité de rester en danger la vapeur nouvelle explosion.
(...)
 
c'est du google trad

Ufologie : Ovni lumineux énorme filmé sur Moscou en Russie le 20-Août-2010

Un officier du NORAD prédit une apparition des Ovnis à travers le monde le 13 Octobre 2010 / Projet Blue Beam

Le gouvernement américain déconnecte le site HAARP afin de dissimuler des preuves de la modification météorologique par les États-Unis induisant la guerre par tremblement de terre

The pressure vessel a cylindrical steel container that holds nuclear fuel, "is likely to be damaged and leaking water at units Nos. 2 and 3,"
 
He also said there could be far less cooling water in the pressure vessels of Nos. 2 and 3, indicating there are holes at the bottom of these vessels, with thousands of tons of water pumped into these reactors mostly leaking out.
(...)
 
Tepco separately released its analysis on the timeline of the meltdown at unit No. 1. According to the analysis, the reactor core, or the nuclear fuel, was exposed to the air within five hours after the plant was struck by the earthquake. The temperature inside the core reached 2,800 degrees Celsius in six hours, causing the fuel pellets to melt away rapidly.  
 
Within 16 hours, the reactor core melted, dropped to the bottom of the pressure vessel and created a hole there. By then, an operation to pump water into the reactor was under way. This prevented the worst-case scenario, in which the overheating fuel would melt its way through the vessels and discharge large volumes of radiation outside.