Tag "alpha ray"

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[Possible plutonium]18 μSv/h of alpha ray in Namiemachi, out of mandatory evacuation area

Fukushima Diary reported they measured 316 μSv/h in Akohgi, Namie machi Fukushima. (cf. 316 μSv/h in Namiemachi, out of mandatory evacuation area) In this measurement, they counted 7,000 CPM of

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0.27 μSv/h alpha ray on the roof of Minamisoma city hall

  Mr. Oyama, Minamisoma city councilor measured alpha ray on the roof of Minamisoma city hall. 南相馬市市会議員の大山こういちさんが市庁舎屋上のα線測定を行いました。 The city hall has 4 floors. 市庁舎は4階建てです。 ↓ On South side, it was