Radioactive cesium uptake continues in fish off the coast of Fukushima

It has been almost three years, and Fukushima continues to endanger the biosphere. A study published in the October 2013 Journal of Environmental Radioactivity on the effects of the Daiichi Nuclear Power Plant disaster in marine life confirms that radioactive cesium is continuing to be concentrated in the Pacific Ocean's aquatic food chain.

Following the release of this research, the Japanese government-affiliated Fisheries Research Agency reported that fish caught at Fukushima's Niidagawa River about 40 km south of the plant in November 2013 contained 124 times the limit for radioactive cesium at 12,400 Bq/kg. Diet analysis studies of foods such as fruits and mushrooms from Fukushima farms have also been found to be contaminated with cesium.

Blue fin tuna that has made its way across the Pacific to California coastal waters has also been found to be contaminated with cesium. Ocean simulations have shown that a radioactive plume of cesium-137 is due to flow into U.S. coastal waters starting in early 2014 and peaking in 2016, but authorities continue to claim that the radiation will be diluted and pose little threat to humans.


Definition of claim

  • claim
  • [ klaym ]
  •  maintain something is true: to say, without proof or evidence, that something is true.

 

 


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