a
ae
&
vibe sees:
Aes
met tn} ett
OES hn
dal 8
IESetn Ml ttSinisoAE
was felt to best express the average air-dose received by -vrecnnel
who spent roughl; hat their time irside stri ctares wher3 the dose
rate wa3 later found to be muchly half that outdoors, On the other
islands no such histidine was presunt, and no reccetion factor was ape
plied.
The sane procedure was followed for all the calculations,
fo precepts Ie le
|
Island
|
|
Dose | L@-Nour
| Sathar |
‘Fallout |
|
ro
|
:
longer tke |
106!
Ree
|
i
A ingtnae |
G2
‘
eo:
Utirik
i
=
\
:$
ore
86
1
132
3h
poeo1B~
Le.
|
:
'
1
awe er
Airedose (roint
Source of Sane
Vener}/ for Zqual
i
‘
|Poshonylap
!|} 209 !
;
a5
|
(r)
|
|
|
-
ey
1
4
|
\
fee et
|
Cr)
Lé-Hour | Ref, 16 | lé-Hour Bilateral
Fallout | Fallout
(r)
|
(r)
Some ee
:
:|
!
“
-
wet
a
oe
“idline Dosa
ede
Se
t
eee
70
78
159
175
|i
130
72
6p
|
120
1
\|
12
eee
|
(x)r
tee
7
270
:
i
i
ly
|
-—
t
Ay
2
_
oe ne eeen te eeee
stn
Sec Section 3.2
8.3
Dr?t CAMA AWD DETA COMHONENTS
In addition to the total body gamna dose, the very soft fara and
higher ener.-y beta radiation from the plane scurce contribited tu the
skin dose,
Further sxin irradiation resulted from local deposits of
fallout material on the tody surface itself,
The latter is inpossible
to estinate, tut the former may be roughly attempted as follows,
The beta dose rate in air ata height of 3 fext above the surface
of an infinite plane contaminated with mixed 2h-hour-old fission prod-
ucts is ustinatud to be about three times the air cax:a dose (Reference
14),
of
the
The midline ganna dose is approxi mately 60 percent of the portion
wii
Perenrenees duse Guu
bo iocei¥ radiation or above
( helerence
L3de
This portion, in tum, is estimated to te 60 percent of the corimcted
yanna dose measured in air ty a calibrated instrament, This, the dose.
at the surface of a phanton exposed to mixed fisstoun product pace ten|
from an external plane source might be expected to te about eight tin
(3/(0,3)*) the midline dose, if toth occur at 3 feat off tha vpound, |
Such a depthedose measurenent has in fact been made expertuentally
ata previce
tleld test (he ference 15), using a phantoa man exposed to
toth the initial and resiaial radiation, ‘he derth-Joses for each site
vation are shown in Fieire $,2 with all data as percent of the Jean
dose, with the diversine initial radiation frei the point of explosion ’
the exit doce was ceea to be 63 perceit af the 3-1 dose, tut, with
the alffuse residual field of fission product radiation, a surtaca dose
39
;