Fukushima-related radiation found in Bering Sea samples | Alaska News | newsminer.com
St. Lawrence Island residents noted seals getting sick after the disaster, according to Sheffield, who said the traditional knowledge of water currents helped residents anticipate the change.
An August 2018 sample from the Bering Sea showed increased levels of Cesium-137. … The August 2018 sample showed levels at 2.4 becquerels per cubic meter.
A becquerel is a unit of measure of radioactivity.
“It’s a radioactive substance,” Alaska Sea Grant agent Gay Sheffield said. “It’s a byproduct of nuclear fission and it was among the radioactive isotopes released when the Fukushima nuclear reactor was damaged.”