4 public schools in Yokohama city backfilled radioactive soil in school area

4 municipal schools backfilled the contaminated soil in their school area in Yokohama city.

A city councilor testified in the municipal assembly of 10/1/2014.

Since 311, 20 schools implemented decontamination to remove the contaminated soil (>0.59 μSv/h at 1cm from the ground, >0.23 μSv/h at 1m from the ground). By the end of this September, 4 municipal schools backfilled the removed contaminated soil to the ground. 16 schools are still preserving 1740 L of the soil though the highest atmospheric dose was still 0.98 μSv/h.

They state their backfilling the soil does not violate the municipal regulation, however the specific density of radioactive material is not published. Nuclide analysis result has not been announced either.

http://gikaichukei.city.yokohama.lg.jp/

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Source: Fukushima