ee)
Dre Bugier ,
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‘Septasber 16) 1954
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co . eeo st+23
me
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a a
Hy analysis.of the ‘dmalation V8.; oral ingestionroutes:‘of uptake 5.
leads me to believe ingestion ismuch the more importants ~’ Hardia oie,
Jones, however, believes inhalationexplains his data better, If*:
_it is assumed,that’oral ingestion is dominant, one wouldexpéct *!
he
human activity,to be lower thangrazing animalst, (However, were.ee
milk {9 an important dietary component, available data on I trans- ©“; ~
mission through milk suggest that human thyroids would not be much.
lower in activity/gm than thecowst.) LeRoy's data probably give” .
only an upper limit to the average Anerican human thyroid activity; .”
the actual value is quite likely lowerbya sonsiderable Feotor.
My ‘calculations are based on LeRoy" 3.values."a
Tine Scale of 1-131 Ingestion
Fe
oe o
To extrapolate from observed activity.in uly, to “eseancted d
« ose t « a
of ingestion as a function of time. Preliminary data from lynch 2h
on fallout indicate.‘hat essentially all I-13] measuredin June. -
‘ \
te Tai
-
+ dp
Tae
and July originated fromthe May k shot. ‘otal falloutin the. >"
U. S. from CASTLE was about 3 times that from the Way shot, .
been tires, oe ose
that total] thyroid dose from CASTLE would have
such
bog dl sen
times that from the Kay h shots: Sayer
ow
from the fnll CASTLE series, an estinate must be made of quantity Lote
,
eeTa
a t att fallouta
- ed that
ed!
in the Oso
Inwy calcilat{ons Ihave assum
from the Hay h ‘shot occurred on Way 15, and that a continuous
ingestion of I-13] was thereafter maintained at a constant
are
of fissions per day.
~
" pISTRIBUTION: copyyA ~De. Bucher 3
ca- Biophysics Branch.
ab.
OFFICE >
SURNAME p>»
DATE
ARC-318
SOvrEn'
orice
1662761.
7
.
“D ebartment ofEnergy. nn
enen
te
nn eh
nisterian’s Cffice