Tohoku Regional Agricultural Administration Office and Fukushima prefectural government conducted radiation measurement for the ground soil of 14 storage reservoirs in Fukushima from 3/26 to 4/6/2012. Sample is dried soil from ground of storage reservoir (5 ~ 7cm deep).
Cesium134 and 137 were measured from all of those samples.
(Cesium 134 (Bq/Kg), Cesium 137 (Bq/Kg) )
- Sudori, Fukushima city 13,000 18,000
- Numata, Date city 25,000 37,000
- Tanichitamei, Date city 7,400 11,000
- Shinnuma, Date city 43,000 62,000
- Matsuzawakamiike, Kawamata machi 15,000 21,000
- Higashi sasataike, Motomiya city 70,000 100,000
- Kajika, Tamura city 12,000 17,000
- Akatsuchi 1, Tamura city 77 76
- Akatsuchi 2, Tamura city ＜10 11
- Tamano, Soma city 7,600 11,000
- Mukaihara 1, Kawauchi mura 2,200 3,300
- Nishinosawa, Hirono machi 1,700 2,500
- Higashihara, Hirono machi 880 1,200
- Teichiike, Yabuki machi 680 1,200
They also conducted radiation measurement for 86 storage reservoirs in Fukushima.
Cesium was measured at 8 locations as well.
Cesium 134 : <1Bq/L ~ 5.7Bq/L
Cesium 137 : 1.3 Bq/L ~ 7.9 Bq/L
Total : 1.8 Bq/L ~ 13.6 Bq/L
Iori Mochizuki