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The Division of Biology and Medicine has assigned
the Applied Pisheries Laboratory the following opera-
tions during and following the forthcoming test series:
;
1.
Conduct two marine biological open sea surveys,
beginning June 10 and September 1.
The primary
ascertain
mission of these two surveys is to
(a) the levels of introduced radio-
activity resulting from the tests in the water,
plankton, and fish, and (b) how far the activity
1 RPS O88 ae
extends westward in the North Equatorial current.
It has been recommended to the Task Force,
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(a)
{b)
(ob)
(c)
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(d)
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RE
:
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continuous water monitoring throughout the
cruise,
The New York Operations Office will
construct and install the necessary instrumentation.
water samples should be taken at 0, 25, 50,
75 and below 100 meters at selected stations.
Plankton tows should be made in areas of
both high and low activity.
Fish should be collected wherever and whenever feasible.
Preparations for undertaking these missions were made dur-
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ee
‘an
that you or Allyn Seymour-and the ship's
captain be briefed as to the location where
Each cruise should include the following:
fe
a
and
fallout from each shot fell into the sea,
prior to each survey,
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tet a
of highest average fallout to the westward
fringe of the detectable introduced radio-
activity in the water,
(a)
.
that the ship should operate from the area
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wha
4
ing April and May, when equipment was assembled and shipped to
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the Pacific Proving Ground and a schedule of staff assignments
j
was worked out.
i
The field group, which departed for Eniwetok
early in June, included Lauren R. Donaldson, Allyn H. Seymour,
Edward E, Held, Frank G. Lowman, Arthur D. Welander,
Paul R. Olson, and Neal O. Hines.
UNIVER+:
UNIV. OF Woo, |
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9