172RE EC DECAY  (55 S 5)        I(MIN)=0.0010%                                 

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

  G   1      123.30       10 135.       5   0.355 
  G   2      253.80       20 100.0          0.541 
  G   3      350.4         4   2.5     25   0.0187
  G   4      743.00       20  26.       7   0.411 

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