121SN IT DECAY (43.9 Y 5)       I(MIN)=0.0010%                                 

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

 CE- L -  1   1.83         8 38.5      14   0.0015
 AUGER-L      2.950          46.0      12   0.0029
 CE- M -  1   5.41         8 18.1       7   0.0021
 CE-NOP-  1   6.15         8  3.25     12   0.0004
  
 X-RAY  L     3.440           3.68     16   0.0003

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