Nuclear scientist Kai Vetter has been testing air, rain, milk and fish on the West Coast since the 2011 Fukushima Daiichi disaster in Japan, finding no public safety threat. He says that radioisotopes, such as cesium 134 and 137, peaked in 2011 at levels far below public safety thresholds and have since declined to background concentrations. “Nuclear radiation is something you can’t smell, see and feel,” he says. “It tends to scare people.” He is now watching for ocean-borne cesium and other isotopes, which are expected to arrive this spring on the West Coast in low concentrations — several hundred times below federal standards for drinking water. Read more: Contra Costa Times.
Source: Today at Berkeley Lab