Cesium 134/137 found in Hachijo jima 494 km from Fukushima

Cesium 134 and 137 were measured in Hachijo jima, where is 494km south to Fukushima.

In this far island of Pacific ocean, they measured cesium from the play ground of nursery school, elementary school, junior high school, and fly ash of clean center. The highest reading from play ground was 37 Bq/Kg (Cesium 134) and 59 Bq/Kg (Cesium 137), it was 42 Bq/Kg (Cesium 134) and 93 Bq/Kg (Cesium 137) from fly ash.

 

 

 

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Iori Mochizuki