69
N-4
Part A of
in 1954.
event
this
It
Note deals
with thyroid
comprises
two tables.
dosage
relating
to
the
Bravo
Part
B consists
of a letter
from Dr. W. H. Adams of Brookhaven
with the question
National
Laboratory
to Dr. Roger
Ray of DOE. It deals
of whether
or not prolonged
residence
on Rongelap
since
1957 has resulted
It also
considers
changes
in
in an increase
in thyroid
neoplasia.
longevity
and blood
counts.
TABLE N.4A
#1
Source
THYROID DOSE FROM INDIVIDUAL
RADIONUCLIDES
IN FALLOUT TO THE ADULT HALE ‘b
Internal
Dose
rads
physical
3 weeks
exposure
h
100$
190
53.2
min
100%
3
21
h
100%
550
h
100%
7
84%
130
79$
120
84$
13
Iodine-135
6.6
Iodine-134
Iodine-133
Iodine-132
2.3
Iodine-131
8.04
Tellurium-131
30h
Tellurium-131m
25 min
External
Total
—
Per cent
decay
in
Half-life
d
+ 8.04
d
+ 8.04
d
190
exposure
1203
dose
—
‘1
Lessard
b~
Exposure
hours.
The
rad
et
to
al,
the
fallout
(1985)
fallout
fell
on
for
Rongelap
about
Island
7 hours.
occurred
for
about
45