of selected samples.
Plankton Samples.
Qualitative gamma spectrometric exami-
nation of the total plankton collected from each of three nets
of different mesh, counting of individual samples at the Co>’,
cel44.p,144 photopeaks,
determination of composition of plank-
ton by sorting of major groups.
Invertebrates.
beta counting,
samples,
Dissection and preparation of samples,
gamma
spectrometric examination of
selected
radiochemical analyses of selected samples.
Fish.
Analysis
for zn©3 content of various
organs and tis-
sues of goatfish from a single school in relation
ses,
gross-
determination of
stable
zinc content of
to size clas-
samples of goat-
fish and organisms on which they were feeding.
Birds and Rats.
Samples prepared for radiochemical analysis,
but actual analyses remain
Foe
SAMPLES 2
DAILY
CF
Rirviens
to be initiated.
COMPLETER
FeO Mn Mla E
The period from July 1,
RADIPCHEMIC RE
ABU eT
1960 to June 30,
NAALES,
ANMALYESS
1961 will be devoted
to a continuation and completion of the above studies, with the
addition
of (1) chemical and radiochemical analysis of sumples
from the pot culture
culture
Botany,
experiment completed at
Eniwetok;
experiment in the new greenhouse of the
using Rongelap soil;
5002284
(2)
pot
Department of
emphasis is being placed on C3137,