Article from NHK News :
" Highly radioactive debris is still hampering the operator of the damaged Fukushima Daiichi nuclear plant from bringing its reactors under control, almost 3 months after the March 11th earthquake and tsunami.
On Monday, a piece of debris about 5 centimeters in diameter with radiation levels of 950 millisieverts per hour was removed from the west side of the Number 3 reactor building. It had been found on Saturday.
In May, debris with a radiation dose of 1,000 millisieverts per hour was discovered in the area, while rubble contaminated with 900 millisieverts per hour was found in April.
Tokyo Electric Power Company has so far removed about 280 containers of radioactive debris, but radiation levels still remain high near the reactor building that was badly damaged by a hydrogen explosion.
TEPCO is also struggling to handle highly radioactive water. More than 100,000 tons of contaminated water is believed to have accumulated in the basements of the reactor and turbine buildings.
TEPCO plans to begin a decontamination process on June 15th. Preparations are under way. The utility tested a device on Monday that will filter radioactive sediment from the water."
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