1.
The PINE device was detonated on a barge off Janet Island,
Eatuetcy, Atoll, at 0830M, 27 July 1958. The cloud rose immediately to
ea. radar-established base of 38,000 feet. The yield
2. A P2V aircraft commenced the RadSefe survey of the southern
part of the atoll at 0930M but went out of commission over Leray at
0950M. Only background was recorded, and a second P2V arrived on station
at 1115M. A pase south of ground sero at 1125M recorded the maximm
reading on the atoll:
37 mr/hr.
The P2V, plus a third P2V, was sent
out on northwest and northeast radials mtil 1607M in an effort to define
clearly the mejor fallout area.
3. Re~entry hour vas declared at 1145M, and the helicopter survey
took off at 1140M.
The following three readings were made, at 50 feet:
Yvonne, 3 mr/hr; Wilma, Zeros and Jenet, 230 mr/tr.
A detailed survay
was made at 1600M.
4.
It 1s estimated that fallout fell within the forecast area, or
between the 320-degree radial and that of 010 degrees.
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