411480
TO FILES
REPORT OF BRIEFING ON ENTWETOK SURVEY, JULY 14-21, 1971, PREPAPATORY
TO AICRO ATOLL EXPERIMENT,
Mr. Hendricks, AV, stated on duly 23, 1971, that bart of the
monitorine arous from NY and YERL, who had accomparided the fir
Foree Survey aranua (Gr vere to determine the requirements for
clean-ur fer the experiment}, had returned to Las Vegas and had
reportec on the radiolacical situation on some of She islands in
the Snisetok Atoll.
Mr. Chartas Costa, VEPL
stated thet the telanc a7 Yyonne
{formerty Punit and <tte of CACTUS (surface shet during UARETACK
PHASE I, 5/65/58). LACROSS, surface shot during RED WING) and °*
FIG (sot arnourced ono naint safety shot) had Leen surveyed.
The
monitors found one area on the ocean side of tre island that was about
65 foet lena, slichtly buried, that cave a reading of 3,99 alpha
counts ver minute (vet soil).
There was an area facing the ocean
and washed ty the tides, that was not covered, thus there could
very well be come of the alpha radioactivity, presumably clutoniun,
that was being slowly ercded by the wave action.
There were also
a few places on the surface where the aboha activity was aetected.
There were nieces of metal that read 35 mR/hr on contact, but
--
thts O83 ADeeVisi ation becuase the same reading was observed with
TiC
ENERGY
\ “aie BUbavestoAtnow open.
On the perimeter of the CACTUS crater
COPY AVAILABLE
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CLASSIFICATIONCANCELED .
BOENSIDECLASSiCATION REVIE
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