Elementary schools in Tokyo are concealing the actual contamination situation to parents and decontaminate secretly.
Arakawa ku in Tokyo refused to conduct radiation measurement for 8 months from 311 to early November to say it’s all safe.
They finally measured radiation level in the early November and measured 6.46 μSv/h in an elementary school.
From other places, they also measured high level of radiation such as 3.04 μSv/h from sand pit or 2.57 μSv/h from gutter etc..
Children were let play in extremely radioactive place and touch highly contaminated sand and soil for 8 months.
Additionally, Arakawa local government published the data only on the web and decontaminated secretly.
At the place where they measured 4.45μSv/h, the school staff removed all the soil but the radiation level didn’t get decreased. In the end, they had to pave the place with concrete, but it was all done secretly, parents were not informed of.