Hachioji Tokyo: Radioactive Iodine-131 Detected In Snow

Iodine-131 measured from snow in Hachioji Tokyo (Jan. 20, 2012):

It snowed on 1/20/2012 around in Tokyo.

They measured Iodine-131 from the snow in Hachioji Tokyo.

Cesium 134 : 14.9 Bq/Kg

Cesium 137 : 15.3 Bq/Kg

Iodine 131 : 20.0 Bq/Kg

Measurement of Iodine 131 suggest the possibility of recriticality of Fukushima, but it was measured more than cesium at this test.


For a comparison, this is the measurement result of snow in Nagano.(1/4,5/2012)

Cesium 134 : ND

Cesium 137 : ND

Iodine 131 : ND

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