Until this spring, the contents of the tank-which were cleansed of most toxic subtances but Tc-99-were being slowly dumped by portions into the Irish Sea three times a year, with the goal of emptying the tank completely by 2007.ĭischarge Moratorium Agreement Reached in June Sellafield’s liquid radioactive waste is stored in an onshore holding tank. The Bellona Foundation has been steadily applying pressure on British nuclear authorities to test a treatment method that separates Tc-99 from Sellafield’s old liquid waste using a chemical called tetraphenylphosphonium bromide, or TPP. Tc-99 has also been measured in the Barents Sea as far north as the Arctic island of Spitsbergen.
The discharges in recent years have led to a dramatic increase of Tc-99 among Norwegian coastal sea products such as lobster and seaweed. The dumping of technetium 99, or Tc-99, from Sellafield’s nuclear reprocessing plant has caused alarm and outrage among environmentalists in Norway.
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