In Tokyo's Setagaya detected "hot" point with high radiation levels. The radiation background at the paving of a street is 2.7 microsieverts per hour at a rate of 0.05 for the average person — 0.35 microsieverts per hour.
Information on the "hot" at the Tokyo authorities received from residents Setagaya.
According to the specialists of the Ministry of Science and Technology of Japan, the level of accumulated radiation at the site was 14.2 mSv per year.
This is below the norm in Japanese law 20 millisieverts per year, above which declared evacuated.
However, the authorities advised Tokyo residents to stay away from the "hot" point unnecessarily. Now decide on the holding of decontamination area.
According to experts, increasing the radiation background was the result of congestion on a particular stretch of a large number of rain water, which, after the accident at the nuclear power plant "Fukushima-1" may contain radioactive substances — ITAR-TASS.