ppm) and
all. y less than 50
K (gener
ble
gea
.
han
exc
jr
'OM
ar®
,
ls
soi
The
Avge
most
tent. Some native plant species and
con
l
era
mi~
cagra
and
P
in
al
gin
mar
of K deficiency. In fact, most
ns
sig
te
ini
cef
w
sho
’
cie
spe
d
introduce
na vernamental plants grow in only a very limited way
rs 4
{ntroduced food c
¢ a3 well as N, P, and trace minerals.
without the additi“! Of
marily CaCO3z and no clay,
The unique cennpos| EN of coral soil, i.e., pri
ferent
tert yf avai iability to plants for '3’Cs and 90Sr very dif
produces a pat
from most data
European
if the literature, which are based on U.S. and
This unique uptake pattern is
[Wate clay soils¥
eequr ted
aluminuf
discussed in more Hd
tall
$9 the section on Concentration Ratios.
LIDES IN SOIL
SURE ANO RADIONUC
EXTERNAL GAMMA EX
from
al gamma dose-equivalent rate
ern
ext
e
rag
ave
tha
t?
lis
4
le
Tab
ands
hased on the EG&G aerial survey for each of the isl
radionuclides 1
i got!
1981).
(Tipton and Mei lial,
been decay
The dose-equivalent rates have
the
rates atgiv
The initial annual dose-equivalent iso
corrected to janilary 1987.
en
n is
compar
A
.
m/y
mre
240
to
1
ut
abo
m
fro
ge
ran
sadividual sslanil®
rate
the average external dose-equivalent
for Bikini and [Hell tstands between
asurement survey conducted in
and a ground-me
from the aerial aurvey 19 1978
1975 (Gudiksen ol ales 1976).
Measurements in the ground survey were made on
100-m grid across Eneu Island.
a 30-m grid acrue* gikint Island and a
The
ly identical; the aerial survey gave
results of the \W surveys are essential
Island
valent rate of 160 mrem/y for Bikini
qui
e-e
dos
ma
gau
s!
ert
ext
e
rag
ave
an
ground-measurement survey gave 159
the
le
whi
,
and
tsl
l
Ene
fav
m/y
and 12 mre
ernal
mrem/y for Eneu Island. The ext the top
18
and
nd
sta
wl
Biki
for
m/y
in
mre
®9Co
ectly proportional to the !37cs and
dir
TS
e
rat
p
en
dose-equival
column.
10 to 20 cm of th sail
to 10 cm)
n of the surface soil (0
Also listee in Table 4 is the compariso
the limited soil
estimated from the aerial survey and
137cs specific wtlvtlY rad
ionuclide concentrations in this report have also’
profile samp lins
yne
been decay corns thd
» January 1987.
for larger islands, such as Bikini
t
tha
te
ica
ind
4
le
tab
'"
s
ult
res
The
where the distribution
and Eneu where ye aerial
Ae bE eee
of soil
survey 18 most accurate and
from both
profile’ covers most of the island, the measured activities
methods are if cagsomavle agreement.
30003149
Four values are listed for '137¢s5
12