Japan found concrete to build houses contaminated with radiation

Fukushima prefectural authorities in northeastern Japan said on January 19 that high levels of radiation were found around a protective dike in the province of Motomiya.

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The section of the dyke found high levels of radioactivity in Motomiya City, Fukushima Prefecture.

This type of concrete comes from a grindstone supplied by Futaba Stone Factory, which has a production facility near the Fukushima 1 nuclear power plant.

The information comes as Japanese authorities discover radioactive material in concrete used for a new apartment building in Nihonmatsu city, Fukushima prefecture, northeastern Japan.

According to information from this province, at the Imo River dike section running through Motomiya city, the amount of radioactivity measured in an hour at a place 1m from concrete is 1 microsievert (mSv), significantly higher than the radioactive concentration. in the surrounding areas is 0.3-0.4 mSv / hour.

So far, Fukushima Prefecture has conducted an investigation on 10 locations such as protection dikes, roads and houses built after the earthquake is complete and no new findings have been found for other areas.

In addition, the provincial government decided to inspect the field at three sand mining sites and 25 quarry sites in areas that were evacuated according to the plan and the danger zone of the government as public. Stone mining school of Futaba Company, Namie Town, Fukushima Prefecture. Specifically, the authorities will sample the mill's grinding stone to analyze radioactive substances and measure radiation levels in the air at the scene.