program related to the Wahoo event.
The Atomic Energy Commission
supplied part of the funds for the operational cost of the Rehoboth and
in return the Rehoboth was made available for use by the University of
Washington Laboratory of Radiation Biology, an AEC contractor,
the period
May 3,
1958 to May 20,
for
1958, to conduct a radiobiological
survey.
Eight U. S. Navy Hydrographic Office personnel,
under the di-
rection of Mr. Alfred W. Anderson, made oceanographic surveys during both phases of the investigation and provided
the authors
with the
water samples from four locations for measurement of radioactivity.
A radiation monitoring team from the Radiation Technical Division
of the Naval Medical Research Institute,
J. W
under
the direction of Lt.
Duckworth, measured the radioactivity of water at the surface,
at the intake to the ship's evaporators, and
the surface down to 600 feet.
The surface measurements were made
with a survey meter and the measurements
evaporators were made
with
at designated depths from
of
the inflow water to
a specially designed ion-chamber
was fitted around the intake line.
the
that
For measurements at depth a gamma
scintillation-type probe with a continuous recording device was used.
The probe was a modified ''well-logging" type provided by the
Health and Safety Laboratory, New York Operations Office.
AEC
A report
of these measurements is being prepared for publication by the Naval
Medical Research Institute.