11
2.4
University of Washington Surveys
2.41
Walton and Marsh surveys,
September of 1956,
at the Pacific
1956.
In June and
during and following the series of tests
Proving Ground,
the Applied Fisheries
tory of the University of Washington,
Labora-
operating under a direc-
tive from the Division of Biology and Medicine of the Atomic
Energy Commission,
conducted two surveys of the open sea in
the area around Bikini and Eniwetok Atolls and in the region
of the North Equatorial Current from the Marshalls westward
to the Marianas Islands
carried out,
These investigations were
in June aboard the USS Walton and in September
aboard the USS Marsh,
Navy.
(Fig. 2).
supplied for the purpose by the U.
S.
The distribution of radioactivity in the open sea,
determined by these two surveys, has been reported by Donaldson,
et al.
(1956)and by Seymour, et al. (1957).
Plankton was
reported to be a sensitive indicator of radioactivity in the
open sea.
2.42
Rongelap surveys.
by radioactive fallout,
Since its contamination in 1954
Rongelap Atoll has been the subject of
repeated radiobiological surveys by the Laboratory of Radiation
Biology of the University of Washington, the U. S. Naval Radiological Defense Laboratory and teams of medical experts from