40

ye

In light of recent. developments.on BIKINs and ENISETOX atolls it is
prudent that sone consideration be given to fallout from the Pacific
Froving Grounds which may have been carried to other atolls during the
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Period of atmospheric testing. ©

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Fallout patterns and other” pertinent data on the vartous|nuclear tests
are very limited.

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However, hodographs are known for nearly all of the tests

conducted in the Pacific.

These hodographs and available fallout patterns

significant _

have been iuukmbark studied to discern which events may have had/fallout
on racific atolls.

Those hodographs and fallout patterns which xoutkeoxrks

exertoonmtiztimr have positive indications or suggest significant fallout on
these atolls are indicated, as well as the.source of such information,
Due to the intensive fallout from the CASTLE BRAVO event on RONGELAP
_.ang UTIRIX atolls, some effort was made in the past to investigate the
= —_——w

enracaoactive deposition on these and a few other atolls in the fallout pattern. |

Sarkesd ceef

unfortunately, the utility of thee investigations is limited due to theatolls
visited, the now primitive treatment of the samples (gross gamma, gross beta,
and otner crude evaluations), and age of the survey.

Only on RONGEIAP, BIKINI

and INIwETCK atolls have any recent studies been undertaken,

fallout area ikensteHove’ been ignored.

The rest of the

fone U

Utilizing various reports, fallout patternsand hodographs, this investigator has evaluated the data available, realizing its limitations, and

thus the limitations of such a study , and sugrests that possible significant ?
.

=

Tallout has occurred on several atolls which do not-appeer-to- havebeen
investigated previously.

DOE ARCHIVE:

This fallout, or the hodographs suggesting it, is

presented as figures «ith other pertinent information presented in tabular

form for crevity.

43

Select target paragraph3