184
Health Physics
August 2010, Volume 99, Number 2
Table 15. Radionuclides giving highest cumulative organ doses (mGy) to adults of four population groups (Majuro
residents, Kwajalein residents, Utrik community, and Rongelap Island community) from chronic intakes of long-lived
radionuclides. Utrik and Rongelap community doses account for relocations.
Organ and
rank*
Majuro residents
Nuclide
Dose
Kwajalein residents
Nuclide
Utrik community
Dose
Nuclide
Dose
Rongelap Island
community
Nuclide
Dose
RBM
1
2
3
4
5
Zn
BICs
“Fe
Str
Co
71x
2.4 x
2.6 X
1.4 x
5.9 x
107!
107!
107°
10°?
1077
Zn
BICs
“Fe
Sr
Co
1.2 x
4.1 xX
45x
2.4 x
1.0 X
10°
107!
107
107?
10°?
Zn
BICs
“Fe
Sr
Co
2.3
7.7
1.9
2.0
1.1
x
X
x
x
x
10!
10°
10°
107!
107!
BICs
Fe
Zn
Sr
Co
1.4
2.6
2.4
1.0
9.1
x
X
x
x
X
10!
10°
10°
10°
107?
1
2
3
4
5
Zn
BIC
Co
“Fe
Str
5.2
2.4
4.7
2.0
5.2
107!
107!
1077
107
10>
Zn
BIC
Co
“Fe
Sr
8.9 x
41x
8.0 X
3.4 x
9.0 xX
107!
107!
1077
10°
10°
Zn
BICs
“Fe
Co
Sr
1.8
7.8
1.5
8.6
7.6
x
xX
xX
X
X
10!
10°
107!
10°?
104
BICs
Zn
Fe
Co
Sr
1.4
1.8
2.0
7.2
3.8
x
x
x
X
x
10!
10°
107!
107
10°
Zn
BIC
Co
Fe
Str
5.1 x 107!
2.5 x 107!
71 xX 107
2.1 x 107
72x10
Zn
BIC
Co
5Fe
Sr
8.7
4.2
1.2
3.7
1.2
x
x
x
x
x
107!
107!
107°
1073
107"
Zn
BICs
Fe
Co
Sr
1.6
7.6
1.5
1.2
9.8
x
X
x
x
x
10!
10°
107!
107!
1074
BICs
Zn
Fe
Co
Sr
1.4 x
1.7 x
2.2 xX
1.1 Xx
5.2X
10!
10°
107!
107!
107
Zn
BIC
Co
“Fe
Str
6.9
2.8
2.4
5.9
1.0
Zn
BICs
Co
“Fe
Sr
1.2 x
48x
4.1 x
1.0 x
1.8 x
10°
107!
107?
107°
107°
Zn
BICs
Co
“Fe
Str
2.2
8.8
4.3
4.3
1.4
x
x
x
x
x
10!
10°
107!
107!
1077
Cs
Zn
Fe
Co
Sr
1.6
2.3
6.0
3.7
75
10!
10°
107!
107!
107?
Thyroid
Stomach
1
2
3
4
5
Colon
1
2
3
4
5
x
x
x
x
x
X
X
x
x
x
107!
107!
107°
1077
1077
x
x
X
Xx
X
“Rank of 1 indicates radionuclide with highest organ dose; Rank of 5 indicates radionuclide with fifth highest organ dose.
Table 16. Comparison of estimates of average acute intake (MBq) of radioiodines and precursor radionuclides among
exposed Marshallese and American groups following deposition of Bravo fallout. All values are rounded to two
significant digits."
Literature source of estimates
Rongelap Island
(Marshallese adults)
Harris®*
Lessard et al. (1985)
This work
Sifo, Ailinginae
(Marshallese adults)
Harris®*
Lessard et al. (1985)
This work
Rongerik (American
military, adults)
Harris”*
Goetz et al. (1987)
This work
Gender (adults)
BIT (8.02 d) 1 (2.3 hy) 71 (20.8 h) 1 (6.6 h) '™Te (30h) Te (3.2 d)
Male-female average
Male-female average
Male-female average
2.8
3.4
3.5
9.6
20
9.7
30
73
40
43
120
50
nr
2.8
2.3
nr
19
9.4
Male-female average
Male-female average
Male-female average
1.3
0.69
1.2
4.4
4.1
3.5
14
20
16
20
41
25
nr
0.84
0.88
nr
19
3.4
0.78 (1.7)°
2.6 (5.7)
8.1 (18)
Male
Male
Male
0.56 (1.2)°
1.7
nr
4.6
nr
18
12 (26)
nr
17
nr
nr
1.1
nr
nr
4.6
“nr means not reported.
> Harris PS. A summaryof the results of urine analysis on Rongelap natives Americans and Japanese fishermen to date. Memorandum
to AEC. Los Alamos, NM: Los Alamos Scientific Laboratory; 1954.
© Personal communication, P.S. Harris to S.L. Simon, 2005.
“500 mL urine volume (same as for Marshallese) was used by Harris; use of 1,100 mL urine volume for LA319A (see Table 7) would
have given 1.7 MBq.
* 500 mL urine volume (same as for Marshallese) was used by Goetz et al. (1987); use of 1,100 mL urine volume for LA319A (see
Table 7) would have given 1.2 MBq.
calibration factor, ¢. (count per decay). In this analysis,
the uncertainties in the estimates of CR and e&& are
considered to be small in comparison to the uncertainty
in O/C.
Uncertainties in O/C. It follows from eqn (A1)
that
Q/C = K X VIEF(t),