rr
Carl Bucklan4, E-2
October 8, 1941
a
We BR. Kenacdy, E-S
410591
“CLOSE IB FALLOUT” FROM CASTLE BRAYO
x-6
Tee following mocsurements vere mie at various times at the places indicated
eee. the Karch 1, 1954 detonation at Bikini Atoll. Epeed of mwvaernt to
eli points is based on a rsasurerent by a recording gamm moter located on \
Tniwetd: Island, Fongerik Atoll. The xcter indioated start of arrival at
Eo 7-3/4 hours, with an estimtec peak reading st He 6-3/4 hows. The
cist.noe is 135 msutical elles, so a moan speed of 17 knots aga deen used
in
@ rete.
the calculations. Extrepolated decay bss been based on the
allovunce bras Deen mie for weathering prior to measurement, so the wiluss
are probably low.
Tha boch was a curface burst of 15 Kesatons,
the fallout pattern was socsvheat to than
below.
Sfellthelocations listed
Kabelle Ielexd, Poigelap Atoll, is the closest to the “hot line
but still probebly soc: distance from it.
Lozation
Ielend
tins
Iste~
Feasting
Distance
Isagelap
D+T7
375
103
B+6
belle
D885
1000
108
E+ 6.35
Utirdik
D+¢+3
170
fuwettk
De7
re/bhr
260
pea miles,
.
Futirated
frrival time
135
276
n+ 8
B+ 16.2
CLASSIFICATION ae
OR CHANCED TOS pele ?D.
BY AUTHORITY
Ustizsated
Feak readine
Fotissted
p<
£O R/er
(39 2
235 R/or
TCO B
11 B/ar
aca
1 B/er
Gl &
Serre
CT Lye,
>.
Kier
bs Cuechs 2ayv¢2
DL.
upes[ay
FER be ect O.W. Stopinski
Zz. Eocis
Tile
RG
€ri7
ardde ~-
{
COPIED/DOE ”
LANL RO +
Location
326 US ATOMIC EXERGY
BESTCOPY AVA
COMM Ess ON
ILABLE
‘
Collectiuaf®
CLASSIFICATION CANCELLED
Felder TR
LUSC
WITH DELETIONS
Conds Ce fe
O
ER
r
Metesnlay
ae
nb
n,“7
BY AUTHORITY OF DOE/OC
(- (-
Fe
ery
yl
-es
42/45