RMI Nuclear Justice Documents

using the ci4 technique.
Dr.

I.

E. Wallen,

U.

S. Atomic Energy Commission,

of Biology and Medicine,

Division

spent one week with the group at

Rongelap.

Personnel from the Eniwetok Field Office, (U. S. Atomic
Energy Commission)

accompanied the group for the

purpose of

making gamma dose rate measurements.

The period from October 1, 1959 to June 1960 was spent in
the preparation and analysis of samples and data collected on
the September field trip.
Soils.

Sieving,

beta counting,

determination

of exchangeable bases,

classification and mapping,

gross-

preparation of

samples representative of the six major soil types

for radio-

chemical analysis.
Plants.

Preparation of plant samples by drying,

gross-beta counting,

grinding,

radiochemical analysis of edible plants,

cs137 ana potassium determinations of selected samples from
fertilizer plots and different soil types,
vegetation map of northern half
Bottom Samples.

completion of

of Rongelap Island.

Determination of

composition of cores by

one-inch increments,gross-beta counting of total material

fine particle

9002288

size fractions,

and

gamma spectrometric examination