Distribution or soil sampie
special interest.
Locations on 2ikini and
Islands.
Dlaced in clastic bags with idenrifi-
Eneu
No. of sampie
locations
Surtace
Proriles
(0-253 em) (0-90 cm)
Bikini
North of second
baseline N
25
2
Central section
200
4
South of second
baseline S
25
2
North of airstrip
50
-
South of airstrip
40
Total
fo
Eneu
350
12
46 samples each.
to live in this section.
cation tags and prepared for shipment
<3 LLL wnere they were
crocessed and
analyzed <c. gamma spectroscony.
Sam.
5
1 os
239,259
ples were znalyzed for
,
Pu and
90
Sx by wer chemistry methods at
MeClallan Laboratory.
A complete
report on the analytical drocedures
has been published.»
BIKINI GROUND WATER PROGRAM
Purpose
The ground water program was
designed to establish a network of
well locations on Bikini and Eneu
Islands to assess the ground water
A limited
number of profile samples were
the hydrology and geochemistry of
elements i: the ground water system.
several samples were collected
The north
and south sections of 3ikini Island
and all of Eneu have lower contamination levels; hence, the
sampling density was lower.
quality and to study systematically
radionuclides and major and trace
planned in this area because
during previous surveys.
The sampies vere
Special
emphasis, however, was given to
the lagoon side of both islands since
Water movement and residence times
were to te assessed to deduce the
transport rates and mechanisms of
radionuclides deposited in the soil
zone or taken up by vegetation.
Methods and Measurements
Pits were dug with a backhoe to. the
homes may also be erected in these
hard coral layer: the ground water
areas.
reservoir surface was approximately
The exact soil-sampling locations
2m below the ground surface.
Seven
were determined by a random selection
holes were drilled with a ground power
process to obtain statistically mean-
auger at selected locations along the
ingful and unbiased resuits.
centerlines of Bikini and Eneu Islands.
Special
samples were also collected within
The auger senetrated the ground water
"hot spot" areas and other areas of
lens to a cepth of approximatreiy 1 to