Related to this article..20.12 μSv/h in front of Fukushima Daisan elementary school
4/22/2012, at Nihonmatsu kita elementary school.
1m height from ground : 0.87 μSv/h
Above sand on the school road : 5.47 μSv/h
On the street gutter : 10.12 μSv/h
56.3km from Fukushima plants
Iori Mochizuki