Composition of TISSUE, SOFT (ICRP):

             Density (g/cm3) = 1.00000E+00
 Mean Excitation Energy (eV) = 72.300000

 COMPOSITION:

        Z = Atomic number
       WT = Fraction by weight

               Z        WT
               1  0.104472
               6  0.232190
               7  0.024880
               8  0.630238
              11  0.001130
              12  0.000130
              15  0.001330
              16  0.001990
              17  0.001340
              19  0.001990
              20  0.000230
              26  0.000050
              30  0.000030