Restrictions on Dalgety Bay seafood
date:May 10, 2012
September 2011 found many radioactive items on the beach. Some had relatively high radioactivity levels, and may have been released by coastal erosion.


Science behind the story



Radium-226 is a radioactive element that decays by alpha particle emission and has a half-life of 1,600 years, producing radioactive breakdown products including radon and lead. In the past it has been used to luminise instruments such as aircraft dials so that they can be seen in the dark.


Some of the items break
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