le
Exny
Thyroid:
{
GUTtact
Interval
(nr)
0 +.960°
"0 +168
0 -.980-
9 +960
\ that received by the’vespiratorytractwas:‘much greater’ followingexpe
sure to the®‘dry -parti¢le eimulant than:following moeof the ionig¢,
simulant.
«=
:
-
2
It is to betnoted that, oyer anextended period, '‘bone!’would receive:the
"3: greatest integrated,dose since’.‘Whe isotopes deposited in,spone have: ha:
lives ranging up to 2f.(-yeara: (Se!*) and, in jaddition,’ have long biologi
half-lives. “Incontrast, the longest-lived:'Yodine’ isotope! has an,seeey
half-life of 7.7 daysnd thus delivers.its doge in'a ‘short periodiof,
The dose’rate to:the individual tissues can bedetermines by:‘age:
the following ero
“
where
;
y:
= ‘dose rat vin rad/h
;
Ka F
* Kw 6
&
f
“4 7
SE
oe
:
‘measured experimentally:in this study and was converted,to
thegbacia that the ratio of gamma ghatonsite
beta particles at thie:timerwae approximately 1,2)7 °
* The following document ts"referenced forine convensence of those who have access to it, >
Sondhaus, C.: “The Ratio of Lung Bete Does to Whole-body Dose During Given Time tneevale
After an Atomic Bomb Detonation, U.S. Naval Radiological Defense Laboratory Report, .
USNRDI.-304, -12 eceunbaty 1968 eonepenitt
i
4
z.
eh 4e
MOO ee ea moe te sn
‘beta actiyity.om
a
ss
-
vag
Qe beta actiyity of each tissue in d/min (gamma activity:wa
e
.
° “a
: as
3H
yd