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doses to whole body and bone marrow for Eneu residents were calculated
using measurements of external radiation and estimates of time spent in
various areas of the island (e.g., village, island interior, on the
lagoon, etc.).
The internal radiation doses were calculated from estimates of the
amounts and kinds of food in the diet (with and without imported foods)
and from measurements of the radionuclide content of these foods and of
drinking water (see Attachments 1, 2, 3, and 4).
Levels of radio-
activity in food shown in these attachments were obtained from analysis
of samples collected on Eneu Island, except for pandanus which was not
yet available.
Since pandanus would be a diet constituent, the
contributed dose is calculated from uptake coefficients and soil
concentrations of radionuclides.
The 30-year dose commitment is
calculated assuming only radioactive decay with no reduction from
other possible mechanisms.