Citizen’s radiation monitoring group [Link] in Hachioji measured high level of cesium from moss.
The sample was taken in Tatemachi Hachioji city Tokyo (May 2012). It was 154g of moss in a garden.
It’s 253 km from Fukushima plant.
Cs-134 : 1930 Bq/Kg
Cs-137 : 2440 Bq/Kg
Total : 4370 Bq/Kg
They measured 9,110 Bq/Kg from the soil on street gutter in Kitanodai Hachioji city Tokyo as well. Hachioji is seriously contaminated. The sample was taken on 7/12/2012.
Cs-134 : 3850 Bq/Kg
Cs-137 : 5260 Bq/kg
Total : 9110 Bq/Kg
Iori Mochizuki