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19.

:

ABSTRACT (continued).

the total

exposure on most ships;

additional

sources

of exposure,

such

as

from

proximity to fallout-contaminated vessels, were significant contributors to dose.

Additionally, the analysis of available dosimetry, which is considered necessary for

establishing confidence in the dose ca)culations, is much more comprehensive due to
the use of extensive microfilm records, not available in the previous analysis.

Utilizing the reconstructed radiation environments from deck contamination, water
shine, proximate ship shine, and contaminated hulls and piping, an equivalent film
badge dose is calculated and compared with the analyzed dosimetry. Comparisons are

made less significant by a shortage of badge readings, and by cohort badging that
may have resulted in non-representative doses being assigned to unbadged personnel.
Considering this, agreement is good (within a few hundred millirem) when doses were
high but less when doses were low.
In all cases, overall totals appear to be in
excellent agreement.
Calculated mean doses range from a low of 0.30 rem for the crew of USS RECLAIMER to
a high of 2.2 rem for the crew of USS COCOPA. The calculated doses should be used

when badged members of cohorts, due to duties, ratings, and locations, do not appear
to be representative of the cohort as a whole.

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