Japan: Highly Radioactive Cesium found in plankton almost 375 miles from Fukushima nuclear plant
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-Pastor-Dale-Morgan-
Mar 18, 2012, 1:41:51 AM3/18/12
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Japan: Highly Radioactive Cesium found in plankton almost 375 miles from Fukushima nuclear plant
TOKYO -- High levels of Radioactive cesium believed to have been released during the crisis at the Fukushima No. 1 nuclear power plant in Japan following last year's major earthquake has been found in plankton about 600 kilometers (nearly 375 miles) east of the facility, according to a Japan-U.S. joint research team.
The amount of cesium detected in the plankton was extremely high for marine products that far away, according to the team led by Jun Nishikawa, research associate at the University of Tokyo's Atmosphere and Ocean Research Institute.
However, follow-up studies will be necessary because the highly radioactive cesium is likely to have accumulated in fish that eat plankton, the team said.
The findings will be reported to a conference of the Oceanographic Society of Japan set for Tuesday.
The research team collected animal plankton at 17 locations between 30 kilometers (18.6 miles) and 600 kilometers (372.8 miles) east of the plant in June last year, about three months after the March 11 earthquake and tsunami that triggered the nuclear crisis.
High levels of Cesium-137 was detected in all of the collected plankton, according to the team.
In the latest survey, the team also found cesium-134 - which has a two-year half-life - in plankton at the same levels as cesium-137, whose half-life is three decades.
Japan: Highly Radioactive Cesium found in plankton almost 375 miles from Fukushima nuclear plant
TOKYO -- High levels of Radioactive cesium believed to have been released during the crisis at the Fukushima No. 1 nuclear power plant in Japan following last year's major earthquake has been found in plankton about 600 kilometers (nearly 375 miles) east of the facility, according to a Japan-U.S. joint research team.
The amount of cesium detected in the plankton was extremely high for marine products that far away, according to the team led by Jun Nishikawa, research associate at the University of Tokyo's Atmosphere and Ocean Research Institute.
However, follow-up studies will be necessary because the highly radioactive cesium is likely to have accumulated in fish that eat plankton, the team said.
The findings will be reported to a conference of the Oceanographic Society of Japan set for Tuesday.
The research team collected animal plankton at 17 locations between 30 kilometers (18.6 miles) and 600 kilometers (372.8 miles) east of the plant in June last year, about three months after the March 11 earthquake and tsunami that triggered the nuclear crisis.
High levels of Cesium-137 was detected in all of the collected plankton, according to the team.
In the latest survey, the team also found cesium-134 - which has a two-year half-life - in plankton at the same levels as cesium-137, whose half-life is three decades.
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