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Old Apr 23, 2010 | 11:41 pm
  #17  
Loren Pechtel
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Originally Posted by ricktoronto
When I had the same test the hospital gave me a letter with the name of the isotope, when it was administered, Beq and half life. I was down to 1/64th of the original level when I went through YYZ and stood farther away than normal to play it safe.
When my wife pinged the PVG detector she was down to 1/1024 of the original.

You emit gamma rays with that isotope. So does fissionable bomb material.
But they are different energy levels.
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