radionucl. ide content

decreasing
Soil
from

areas

containing

at Bikini

137

indicate

from

tained

in Bravo
238

no detectable

The radionuclides

another
marine

may

Althoug’n

at Bikini,

by

where

astronomically

239,240

6;

they

Pu concentrations

t$.ey contained
samples

available

fallout,
last

large

surface

area

by eating

of the organism.

n.o longer

presented

the

from the waterl

of contamination

fallout

of

of soil.

In addition,

surface

it is probably

through

is selection

directly

means

significant

animals

radionuclides

sediments.

on the

con-

the highest

ingestion

radionuclides

adsorbed

land

there

ingest

soils

1.

analyzed.

to the

where

may

2:1 at Eneman
Bikini

sediment.

i.s an important

the

in Table

because

Pu approach

although

ingesting

may be

fresh

Crater

animals,

absorb

adsorption

organisms

to 238

animals

organi.sr, or by
organism

camp

I.

table

Cs and

selected

from the

are given

or t“nrough direct

the marine

or radionuclides

The

are

radionuclides,

Similarly,

137

5) .

of gamma–

at Eneu

in the

Pu of the

or other

the vegetation,
specific

Pu,

239,240

of

generally

samples

analyses

(Table

1.

239,240PU

of

15:1

concentrations

between

Bikini

The ratios
and are about

runway

are included

a correlation

in samples

the

were

of the plutonium

Cs concentrations

were

depth

concentrat~ons

Exceptions

I. and along

The results

increasing

for plutonium

the highest

radionuclides.

emitting

area

analyzed

samples

with

occurred

of

important
in 1958.

by. the masses

Select target paragraph3