OFFICIAL USE ONLY
On June 11-21, 1956 another survey of radioactivity in the sea
was conducted near Bikini and Eniwetok Atolls by the AFL.
Since June the
survey was conducted during the Spring 1956 test series of detonations,
relatively higher activities might. be expected.
marizes some of the data.
11
Table Forty-five sum-
It will be noted that the average (see
ee
separate report) activity value for plankton is about 7,000 greater
than the average surface water value.
OFFICIAL USE ONLY
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