L.5o om.
fZaen nole
vas
c:2sed
‘ith siot-
ted 2-in-dcismeter toivvinvicarbonate
zipe that "3S exrenced 22 tne soil
surface.
minimize
The nits were rackrilled to
imvact
cn tne environment.
The first nole vas Located near the
island center.
The saiiniry or the
water waS ~easurec with an 7% stvu
conductivity probe.
Two noles were
then drilled on opposite sides or the
center hole and the saiinity measured
in each.
wells,
“ater was pumaed from the
filtered, and sampled.
Radio-
nuclides, cajor elemenrs, nutrients,
and bacteria were measured at the
Lawrence Livermore Laboratory to vdrovide data for water qualitv.
PLANT/SOTL [SAMPLING PROGRAM
Pursose:
The main thrust of the crogram -vas
to determine radionuclide concentrations
a day and sampled serially to deter-
various cepths,
The well network is available for
resampling.
the dynamics of radionuclide cycling
in the ground water reservoir and to
maintain a surveillance of the water
quality.
The program operation was
fashioned after our Enewetak ground
water study, and comparison of the
data from both atolls should be espe-
etally valuable for predicting the
correlate
=o determine nuclide
soils, and to relate the radioactivity
in food species to that in indigenous
nonfood species that have the poten=
tial to serve as indicator species.
The unique information that this survey provided is:
@
Soil-to-plant and soil-to-fruit
concentration factors for detectable radionuclides,
e
The relationship between food
species and nonfood species at
the same location,
®
Intra-island variability in
radionuclide concentration in
On subsequent trips to
the aroll ve plan to assess thoroughly
to
availabilicy to plants in the corai
mine changes in water cuality as a
function of usage.
Zrod species,
chese with soil concentrations at
Specific
wells were Dvumped continuously during
in
the vegetation,
@
and
<A data base for assessment of
terrestrial food chain transfer
of radioactivity from the soil
to man for long-term dose evai-~
uation following resettlement of
the atoll.
Methods and Measurements
The sampling program consisted of
mechanism and rates of cycling of the
the integration of a series of samples
constituents in ground water at Pacific
of food species with soil profile sam-
atolls.
ples obtained on an ad hoc, available
A complete report on the
Bikini and Eneu ground water sampling
:
,
:
°
8
and analysis has been sublished.
/
+
species basis.
All food species
growing and bearing fruit on Bikini