etes,
reached the
investicitci vt
various
tlinas,
some eas
laces as ten anys after shot tirc.
The results show absolute vhoton source strensthns
for each enersy from the various samples, wnile in previous reports only relative line intensities were given,
Since eacn sample constituted an accurately determined
portion of the matertal taken from a fallout collector
of known area, an estimate can be made concerning the
total gamma source strength per unit area in the vicinity
of the collecting site.
Other than reporting quantitative information on
“e
photons emitted per square inch of fallout collection
area, this exveriment exemplified better organization
and preparation in other ways.
The samples were pre-
pared in standardized containers so that changing geometry was never a problem.
‘The spectrometer was "well-
seasoned” and dependable and was used without modification throuzhout the course of the experiment.
The instru-
ment was improved by the substitution of a Moseley X-Y
plotter for the Brown recorder.
Finally the analysis
itself was made simpler and more consistent by the
use of a better way of measuring peak areas.