Fukushima Accident — Contamination of the environment, IRSN (French government experts on nuclear and radiation risks, under the Ministries of Defense, the Environment, Industry, Research, and Health):
At 8:00 in — ”Consequences for the rest of the world’ — “The atmospheric dispersion of the plume affected […] the Northern Hemisphere. Radioactive pollutants reached North America on March 16.”
Cesium-137 levels in 2010: 0.000001 mBq/m³ of Cs-137 (blue writing)
Cesium-137 levels in Mar. 2011: 1 to 10 mBq/m³ in Western U.S. (orange plume)
Cs-137 levels increased 1,000,000 – 10,000,000 times after Fukushima
Watch the IRSN film ‘Contamination of the Environment’ here
This film provides explanations on the consequences of the accident at Fukushima Daiichi on the environment. It addresses the radioactive releases and their consequences on the terrestrial environment in Japan and on the marine environment of the Pacific Ocean.