EXTERNAL GAMMA RADIATION
000
o BIKAR (1.6)
Graph 1
1
GAMMA DOSE RATES ON THE ISLAND OF RONGELAP
mad
r
Storwte Miles
nt
2
3
166°
SIFO ISLAND (1.3)
‘MORGIRI
entactox (8.8L, argos
Ke]
13.0.
RONGELAP
ANINGINAE
ENIBUK
ATOLL /
=
°
168"
J
ROKER
ATOLL
ENIWETAK (3.8)
g
MILLIROENTGENS PER HOUR
z
LATOBACK(6.6)
, RONGERIK (5.3)
BIKINI e3
ATOLL
GEJEN (35.0)
LOMUILAL (35.0)
\
LUKUEN (21.0)
0}
ies"
106
6°
APPROXIMATE GAMMA DOSE RATES AT THREE FEET
ABOVE THE GROUND ON D+#1 (One Day after Detonation)
(Roentgens Per Hour)
AUTIRIK
BIKAR
ATOLL
we
12°
RADIOACTIVE CONTAMINATION OF AREAS IN THE PACIFIC OCEAN FROM NUCLEAR TESTS
Gommo Dose Rotes Three Feet Above Ground on Island of Rongelap,
+= — — Theoretical Decay According to (Time)”'+2 (Starting D + ¥ days).
oJ
scvacsoes Estimated From Relative Theoretical Gammo Dose Rotes, Decoy
Rates of Fission Products, Energy of the Gommos, and the Number
of Gamma Fhotons Per Disintegration,
10
100
TIME AFTER DETONATION (Doys)
1000