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» 1.1million becquerels of beta ray radioactive substance was found, which is 36,000 times more than permissible level

TEPCO said on Dec. 2 that it has detected radioactive materials that topped 36,000 times the permissible level in underground water extracted in the area.

Strontium-90 and other radioactive substances that emit beta rays were detected at a level of 1.1 million becquerels per liter in underground water pumped up from an observatory well on Nov. 28. The well is located at a sea bank east of the No. 2 reactor, about 40 meters from the ocean.

The amount of detected radioactive materials hit the highest level since Nov. 25, which marked 910,000 becquerels per liter of underground water. The national allowable emission level for strontium-90, a typical radioactive isotope that emits beta rays, is less than 30 becquerels per liter of water.
<Media Report>
Radiation 36,000 times permissible level found in water at Fukushima plant (Mainichi Newspaper)

 


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