4,800 Bq/Kg of Iodine 131 [Link] was measured from fly incineration ash of Ariake waste incineration plant.
The sample was taken 5/17/2012.
It’s located beside Rainbow bridge or Odaiba, where are the popular sightseeing places.
132 Bq/Kg of iodine 131 was also measured in Setagaya waste incineration plant. The sample was taken 5/16/2012.
Unlike other measurements of iodine, this is not from sewage sludge, this is from normal incineration ash.Iori Mochizuki