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Radioactive Substance around the Globe

Susanne Gerber

23.06.2011

Radioactive substances spewed from a damaged Japanese nuclear plant were carried to Europe through the United States by a jet stream, Japanese researchers said, Jiji news agency reported Wednesday. A Japanese research group led by Toshihiko Takemura, associate professor at Kyushu University, tracked the flow of leaked radiation from the Fukushima Daiichi nuclear power plant through a computer simulation. […]Radioactive substances rose to about 5 kilometres when a low pressure system passed over eastern Japan on March 14-15, the researchers said. The substances were blown eastward by a jet stream traveling at a speed of some 3,000 kilometres a day, arriving on the US West Coast on March 18, in Iceland on March 20, and many other European countries on March 22, the researchers said. […]

Deutsche Presse-Agentur, June 22, 2011

A research team has detected an increased level of radiation in seaweed and rainwater samples gathered in B.C., and attribute the rise to the crippled Fukushima nuclear complex in Japan.Nuclear physicist Kris Starosta of Simon Fraser University said… “As of now, the levels we’re seeing are not harmful to humans. … [W]e have not reached levels of elevated risk [of cancer].” A press release sent by the university says that radiation from Japan is being carried to North America on the jet stream, but the most harmful radioactivity was scattered in the atmosphere. What radioactivity remains falls into the Pacific, and falls to land in the form of rain. …

Vancouver Sun, March 28, 2011

During detailed filter analyses from 12 RadNet air monitor locations across the nation, the U.S. Environmental Protection Agency (EPA) identified trace amounts of radioactive isotopes consistent with the Japanese nuclear incident. Some of the filter results show levels slightly higher than those found by EPA monitors last week and a Department of Energy monitor the week before. These types of findings are to be expected in the coming days and are still far below levels of public health concern. EPA’s samples were captured by monitors in Alaska, Alabama, California, Guam, Hawaii, Idaho, Nevada, Saipan, Northern Mariana Islands and Washington state over the past week and sent to EPA scientists for detailed laboratory analysis.

EPA, March 28, 2011

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Einsortiert unter:Fukushima, Radiation

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