On 5/22/2015, Yamashina Institute for Ornithology reported that they detected Cesium-134/137 from 92 of 92 swallow nests in Fukushima. Overall, Cs-134/137 was measured from 150 of 182 swallow nests collected in 12 prefectures and Tokyo to include all the prefectures in Kanto, North East, North West coast and Mid Japan area except Tochigi. The highest reading was 90,000 Bq/Kg in Fukushima. They measured Cs-134/137 even from the sample collected in Shizuoka prefecture.   This research was implemented by Yamashina Institute for Ornithology … Continue reading Cs-134/137 measured from 92 of 92 swallow nests in Fukushima / Highest density was 90,000 Bq/kg