230
Health Physics
August 2010, Volume 99, Number 2
Table Al. (Continued)
Source of data
Radionuclide
U.S. Naval
8Sr
Year of
collection
Chemical
separation method
(where applicable)
Oxalate
precipitation
using a small
urine aliquot
Alternative
method:
Carbonate
precipitation of
the entire 24-h
urine sample, if
collected later
than 2.5 mo past
detonation
Mentioned, but no
information was
provided
Mentioned, but no
information
provided
Radiological
Defense
Laboratory
(Cronkite et
al. 1956)
Ra
Gross beta
Comments on
measurement methods
Counting method
Precipitate counted
using thin-window
G-M counter
Standard source was
used for calibration
of counter
Self-absorption
correction was made
using Sr standard
The method eliminates
the normal “°K
Data quality
Satisfactory if Sr
activity is
much greater
The precipitation
method is
non-specific and ”°Sr
could interfere if
present
than °°Sr
(likely to have
been the case)
Not evaluated
Not evaluated
Table A2. Summary of USNRDL and HASLurine analysis (volumes in mL and gross beta activity in d m7’) at four
times post-detonation (Cronkite et al. 1956).
Approximate time post-detonation and bioassay data
1 1/2 mo
Population
and age
group
Rongelap
Number
of
subjects
Ave. vol.
(mL) per
24h
2 1/2 mo
3 mo
Avg. dis
Number
of
Avg. vol.
(mL) per
Avg. dis
Number
of
min™'
subjects
24h
min™!
subjects
6 mo
Ave. vol.
(mL) per
Avg. dis
Number
of
Ave. vol.
(mL) per
Avg. dis
8
12
33
360
510
625
12
5
0
—
3
12
—
400
655
—
0
0
24h
min™!
<Sy
5-16 y
>16y
7
11
13
165
439
581
404
758
1,208
—
—
10
—
—
824
—
—
705
—
—
10
379
—
—
339
<5 y
5-16 y
>16y
1
2
10
150
275
722
217
126
553
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ailinginae
American
military
weather
observers
(adult)
25
1,158
309
—
—
—
—
—
—
subjects
24h
—
min“!
—