Radioactive Fish From The Grocery Store

Someone in Japan checked their fish with a geiger counter. Note that the fish is wrapped in plastic as is their detector. Since fish contains a considerable amount of water in the tissue it will partially block some of the radiation as will the plastic. With the plastic covers the radiation being picked up is just the gamma radiation only.  If this fish was tested with a typical germanium detector used to test food it would likely have a much higher radiation level. What can be detected with the hand held detector it is still 3x the background radiation in this person’s home. This is a good reminder what the simple task of preparing a meal has turned into for those living in Japan.

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