plogical samples.
A successful landing was made at Rongelap
An accident to the
hand where the objective was accomplished.
shor ing mechanism of the plane, however, prevented completion
the sampling at Kabelle Island.
Robert Rinehart and Paul
oman of U.S.N.R.D.L. accompanied Lauren R. Donaldson, Jared
vis, Edward Held and Paul Olson on this trip.
The most extensive survey and biological collecting trip
7
: conducted at Rongelap Atoll from January 25 to January 30,
B55.
This survey was made in conjunction with U.S.N.R.D.L.,
th the U.S. Navy furnishing the 0@ vessel "Rio Grande” for
q ansportation and support facilities.
Allyn H. Seymour and
@ank Lowman, Program 19.1, shared the responsibility for the
§ ological sampling.
Readings were again made with the survey
Pter on &lmost all of the islands visited.
The readings were
Pen at a height of three feet unless otherwise noted.
Radiation Levels Rongelap Atoll
January 25-30, 1955 - mr/hr
Rongelap Island
Eniaetok Island
Busch Island
Labaredj Island
Kabelle Talend
Lomuilal Island
Ge jen Island
Lukuen Island
Q.5
2.0
1.5
2.5
3.0
5.0 at ground level
8.0
79
4.0
The collections at Rongelap Atoll during this period of
tudy provided material for 1499 samples which have been proc;
psed, the radioactive content determined and the results tabu-
mted and evaluated.