257MD EC DECAY (5.52 H 5)       I(MIN)=0.0010%                                 

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

 AUGER-L      11.60          16.       12   0.0040
 AUGER-K      87.50           0.8       9   0.0015
  
 X-RAY  L     16.40          21.       16   0.0075
 X-RAY  KA2  115.32        4  9.        9   0.0218
 X-RAY  KA1  121.10        4 14.       14   0.0350
 X-RAY  KB   136.0            7.        8   0.0209

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