Fukushima new radioactive alert at reactor 1

The latest news from Japan are clearly confirming that this crisis regardless of the cover up of the media, TEPCO and Japanese government is very far from over.

From  The Japan Times:

Tepco said today (Saturday the 4th) it has detected radiation of up to 4,000 millisieverts per hour at the building housing the No. 1 reactor at the Fukushima No. 1 nuclear plant.
The radiation reading, which was taken when Tokyo Electric Power Co. sent a robot into the No. 1 reactor building on Friday, is believed to be the largest detected in the air at the plant so far.
On Friday, Tepco found that steam was spewing from the reactor floor. Nationally televised news Saturday showed blurry video of steady smoke curling up from an opening in the floor.
Tepco has said radioactive water could start overflowing from temporary storage areas on June 20, or possibly sooner if there is heavy rainfall.
Two of the 370 tanks were due to arrive Saturday from a manufacturer in nearby Tochigi Prefecture, Tepco said. Two hundred of them can store 100 tons, and 170 can store 120 tons.
The tanks will continue arriving through August and will store a total of 40,000 tons of radioactive water, according to Tepco.
Nuclear fuel rods are believed to have melted almost completely and sunk to the bottom of three reactors' containers, although falling short of a complete meltdown, in which case the fuel would have melted entirely through the container bottoms.
Tepco has promised to bring the plant under control by January, but doubts are growing whether this projection is overly optimistic. The plan calls for a reprocessing system for the radioactive water by June 15, with hopes of reusing the water as coolant in the reactors.

TEPCO admit possibility of reactor breach

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From Asahi Shinbun

Tokyo Electric Power Company (TEPCO) admitted to the possibility in its early March 28 press conference that the steel Reactor Pressure Vessels that hold nuclear fuel rods in the Reactors 1, 2, 3 at Fukushima I Nuclear Plant may have broken. TEPCO explained the situation "Imagine there's a hole." Because of this "hole", contaminated water that's been poured into the Pressure Vessels to cool the fuel rods continues to leak, it is assumed.






In the Reactors 1, 2, and 3, the water level within the Pressure Vessels are not rising as much as desired. TEPCO admitted in the March 28 press conference that the reason why the Pressure Vessels haven't been filled with water was "probably a hole near the bottom, that's the image we have". Asked why there was a hole, TEPCO answered they did not know.

The Reactor Pressure Vessels (RPVs) are the most important of the 5-layer protection against radiation leak (other 4 are the fuel pellets, cladding of fuel rods, Container Vessels, and the Reactor buildings). The RPVs at Fukushima I Nuclear Power Plant is made of 16-centimeter thick steel, and it has an outlet at the bottom to insert measuring instruments. It is possible that the leak is from that area.

TEPCO also admitted to the possibility of the exposed nuclear fuel rods overheating and damaging the RPVs. According to the nuclear experts, if the fuel rods get damaged and start to melt, it will fall to the bottom of the RPVs and settle. It then becomes harder to cool with water effectively, because the surface area is smaller. It is possible that the melted fuel rods melted the wall of the RPVs with high temperature and created a hole.

On the other hand, TEPCO said it didn't think the RPVs are completely broken, because the pressures inside the RPVs were higher than the atmosphere. "It is not like Chernobyl where the RPV exploded and the fuels were outside the RPV." TEPCO continued to believe in the integrity of the RPVs.

TEPCO asking for outside help

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Reuters reports that TEPCO, which has conceded it faces a protracted and uncertain operation to contain the crisis, sought outside help, asking help from French firms including Electricite de France SA and Areva SA. The news comes after TEPCO announced highly radioactive water has leaked from a reactor at Japan's crippled nuclear complex, as environmental group Greenpeace said it had detected high levels of radiation outside an exclusion zone.

Greenpeace said its experts had confirmed radiation levels of up to 10 microsieverts per hour in a village 40 km (25 miles) northwest of the plant. It called for the extension of a 20-km (12-mile) evacuation zone.




"It is clearly not safe for people to remain in Iitate, especially children and pregnant women, when it could mean receiving the maximum allowed annual dose of radiation in only a few days," Greenpeace said in a statement, referring to the village where the radiation reading was taken.

Reuters reported that the Japan Nuclear Agency says Greenpeace's radiation measurements outside evacuation zone can't be considered reliable.

Fukushima accident upgraded to level 6

According to Asahi Shimbun which is quoting the Japan NRC, the Fukushima event has just surpassed Three Mile Island in terms of seriousness, and has been upgraded from Level 5 "Accident with Wider Consequences" to Level 6 "Serious Accident." Only Chernobyl is a Level 7 event. We believe Fukushima should get there within 2 weeks as ever more of the current devastation becomes public. Of course, all of this is a paper-pushing formality since it is quite clear now that a cover up of the real devastation is in place.
They simply had to raise the level to avoid losing credibility after two workers at Fukushima plant were diagnosed as having sustained beta ray burn injuries.
TEPCO said radioactive water may have seeped through their radiation protective gear. The injuries are caused by direct exposure to beta rays, the utility added.