A Japanese person measured highly contaminated substance on the roof of her house. The house is located in Kashiwa city Chiba, where is known to be a hotspot. (cf. 192.5 Bq/Kg of cesium from citron in Kashiwa city Chiba)
On 8/9/2012, she blogged like this below, [Link]
<Translate>
Around the end of July, I had the professional cleaners wash the roof of our house.
The roof was covered with something like this yellow moss. It was 0.7 μSv/h on its surface.
more
14
On 8/9/2012, she blogged like this below, [Link]
<Translate>
Around the end of July, I had the professional cleaners wash the roof of our house.
The roof was covered with something like this yellow moss. It was 0.7 μSv/h on its surface.

more
14