TABLE OF CONTENTS
(Cont 'd)
Page
Figure
Integral exposure rate spectra for the
Matural eEMitteErsS.... ccc ew ew ewe cern err e nc enaes 38
Figure
Differential angular exposure rate distributions of scattered and unscattered y-rays
for uniformly distributed sources..... pect e ees 39
Figure
Differential angular exposure rate distributions of unscattered y-rays for uniformly
distributed SOUrCES....... cc cc eee eee eee ere eens 40
Figure
Differential angular exposure rate distri-
bution for the natural emitters........ sce ees 41
Figure
Total exposure rates as a function of height
for exponentially distributed sources........ »-42
Figure
Total exposure rates as a function of height
Figure 10.
for plane SOULCES... cc ee ee ee te ee ee eee 43
Total and scattered exposure rates as a
function of height for various exponentially
distributed SOurceS........ eee eee ee ee eens 44
Figure ll.
Total exposure rates as a function of energy
for various exponentially distributed sources..45
Figure 12. Effect of source depth distribution on total
exposure rates at various heights relative
to the total exposure rates at 1 meter......... 46
Figure 13.
The ratio of the exposure rate due to
scattered y-rays to the total exposure rate
as a function of source energy for various
depth distributions... .... ccc eee cee ew eee eens 47
Vil