Tables 1 iind2 represent the bone and bone marrow mean doses
and ranges in mRcm which were the result of ingesting
the residency interval.
activity
Y during
These data were derived from measured urine
activity concentrations during the uptake period.
ous ingestion of
90~r-90
was
Constant continu-
assumed in the models used to calculate
the dose equivalents and dose equivalent commitments.
Table 3 depicts the external dose equivalent resulting from li.vi.ngon Biki,ni.Island.
al
The dose equivalent during the residency interv-
varies for subgroups within the population according to the
assumed living pattern selected.
Since these values were obtained
from ion chamber measurements and hypothetical living patterns, no
range of results has been provided.
In Ehis report, one Roentgen is
assumed equal to one Rem.
Table 4 presents the average whole body doses due to the ingestion of
137C3
.
Data were derived from whole body counting
measurements made in 197/+, 1977 and 1978.
of 1.37
Cs in the diet was not assumed.
Constant continuous uptake
For Lhcse calculations, the
uptake period was divided into three intervals durin~ which the
137CS
activity ingestion rate for a given interval remained constant, but
increased stepwise with time to accou~lt for observed i,ncreascs in
137
Cs body burdens.
Table 5 summarizes the Eotal body dose equivalent during the
137
residency period from internal
Cs and man-made external radiation,
and the total body dose equivalent commitment upon departure from
Bikini Atoll in AuGust 1978.
A
s~andarcl
4
deviation for these quanti-