The city of Koriyama is 50km (31 miles) away from Fukushima Daiichi, well out of the evac zones, yet the soil at their schools are so contaminated they have get rid it.

Starting this weekend, they will remove the top 2 centimeters (.78 inches) of soil from 28 schools.  Even after the soil removal, school officials say they will not allow the children to play in the yards for more than one hour per day.