Results of radiation sampling surveys carried out on rice straw produced in Hokkaido
○ Currently, radioactive substances are being detected in distributed rice straw produced in the Tohoku and Kanto regions. As a result, the
○ In the radiation sampling surveys on Hokkaido-produced rice straw taken from four sites in
Survey results
Regions from which samples were taken (Fattening farms) |
Region where rice straw was produced |
Survey result (unit: Bq/kg) | |
Radioactive iodine |
Radioactive cesium | ||
Oshima |
Oshima |
Not detectable |
Not detectable |
Kamikawa |
Kamikawa |
Not detectable |
Not detectable |
Tokachi |
|
Not detectable |
Not detectable |
|
|
Not detectable |
Not detectable |
* Provisional permissible value:
Radioactive cesium – 300 Bq/kg (value converted to the weight of the rice straw before it dries)
Radioactive iodine – no permissible value determined