On 6/17/2015, Tepco announced they measured the highest density of all β nuclide (including Sr-90) in seawater outside of Fukushima plant port. The sampling date was 6/15/2015. The density was 16,000 – 24,000 Bq/m3. The sampling locations were the North-East, East, and South-East of the exit of the port. Especially in the South-East of the port exit, all β nuclide had always been under detectable level until this time. The distance of these sampling locations and the port exit is … Continue reading The highest density of all β nuclide detected outside of Fukushima plant port