204TL B- DECAY (3.783 Y 12)     I(MIN)=0.0010%                                 

 Radiation        Energy       Intensity   (G-Rad 
    Type           (keV)          (%)      uCi-h) 
 ----------  --------------- ------------ --------

 B-  1 MAX   763.76       18
       AVG   244.05        6 97.08          0.505 
  

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