TABLE OF CONTENTS (Cont'd) Page Figure 14. Differential energy spectra of the Figure 15. Integral exposure rate spectra for a .364 MeV SOULCE. 2. ce ec eee ee ee eee wee eee eee eee 49 Figure 16. Integral exposure rate spectra for a .662 MeV SOULFCE,... 2... ec ewe weer we tee me eee ete eee eeeee 50 Figure 17. Integral exposure rate spectra for a 1.25 MEV SOULCE. 2... cee ee eee ee ee eee eee eens 51 scattered energy flux for a .662 MeV source....48 Figure 18a and 18b. Differential angular exposure rate distributions for plane and exponentially distributed sources.....52,53 Vill