91Y B- DECAY (58.51 D 6)        I(MIN)=0.0010%                                 

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

 B-  1 MAX    340.0       18
       AVG    100.5        6   0.26     4   0.0006
 B-  2 MAX   1544.8       18
       AVG    604.5        8  99.74     4   1.28  
 TOTAL B-
       AVG    603.2        8 100.00     6   1.28  
  
  G   1      1204.77      12   0.26     4   0.0067

 ----------  --------------- ------------ --------