The estinated vhole-body gamma dose to natives evacuated froz the
island of Utirik following the Mareh 2, 1954 detonation at the Pacific
Proving Gr'ound was about 15 roentgens for a
bet no beta burns appeared.
period of about three days,
It is fair to assune here that direct contar
{nation took place due to their node of Living including housing that was
quite open to air currents.
bodies of the natives
boarding the ship.
Gamma doze rate readings were teken over the
at about H plus 78 hours both on the beach and after
On the beach the personuel readings averaged about
20 wr/hr gamsa (but this probably included some contribution from the
ground contanination), and after wading throng! the surf and boarding the
ship the levels average’ 7 er/hr gusta,
The 12 natives on Sifo Island, Afilinginse Atoll, received an estimated whole-body garme dose of 75 roentgens in about two and a quarter:
Gays.
Of these, 14 later experienced slight beta burns, 2, moderate turns,
and none shoved epilation,
in the case of the Rongelap natives, the estizated whole-body dose
was about
150 roentgens in about two days.
All 64 natives later exper-
fenced beta burns to sone degree from slight to severe and over half of
the natives shoved epilation from sifght to severe.
The 16 natives from Rongelap evacuated directly by air to Kwajalein
had personnel gama dose-rate levels gensrally 80 to 100 mur/hr although
one vas as high as 240 =r/hr and one as low as 10 er/hr (at BH plus about
55 tours).
The recaining 48 natives evacuated by ship were reported to
have personnel readings that
"averaged" 60 ur/hr before decontsrination,
Bec)
et
;
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