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- Method Used in Estimating Poses to the Tunes
from Inhalation of Fallout “aterial
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The following assumption: srs race an estin.
aad
att eats eons
lunge.
A.
Twenty per cent of the inhaled activity is deposited.
B.
There will be no elimination of particles during their radioactive lifetimes.
There is uncertainty as to the biological
half-life of particlss in the lungs.
In those commnii‘:s
showing the highest concentrations cf fallout, ths peak
airborne materiel (wuich account.4d fer the greatest porocr~
tage of total fallout) occurred cmly « few hours aficr
adstenation,
“1.2
to t
If one sssuies a reciolojicazl dees; aceerding
:
c
“os
"Pos
oe
°?
and a biologicsi isi feLite
of6 say 30
days, 4.5
the
omission of Jielo sical LikTelife wold wot sifaect section Jy
in?
2
see
fe
ote
.
owt
7
wot
ee
~
o
2
.
.
she computed tet. coo.
C,
All of the activity is unssefeted with mrtic
‘copirable range of sises.
Fast deta from cascade
japactors indicate that ebeut 90% of the activity is sacocisted with particles 5 micrcns or lass in the comaunitics
surrounding the Nevade Test Site.
De. The lungs are uniformly irradiated.
.
E.
The weight of the lungs is 900 grams.
F,
An individual inhales 20 cubic meters per 24 hours.
~72-
to Saabnhion
we
Neaectene’ a
RESEee TO erm RP SE Sr
Ree preter ns Seer
hoe
a