ht; on

25

+o abs 3drpytiagi

Table 6

Mean concentration of 9c), and/or 137 Cs in plants,
coconut crabs, and surface soil from Bikini Atoll,
1964-1975.

Collection

Sample type

Location

Collection

Date

Number of

Samples

Radionuclide
concentration

pCi/g, dry.

13/6,

90,

Pandanus, leaves
"
"
"
"

Bikini I.
"
"

1964
1972
1974-5

several
2
4

290
280
510

120
NA
150

Coconut, leaves
"
"
"
"

Bikini I.
"
"

1964
1972
1974-5

several
8
14

140
430
160

NA
NA
13

Coconut crab, muscle
"
"
"
"

Bikini I.
"
"

1964
1969
1974

]
6
]

940
760
380

55
50
16

Coconut crab, exoskeleton
"
"
"
"

Bikini I.
"
M

1964
1969
1974

1
6
]

190
130
70

Soil, O-1 inch
"
"
"
"
"
"
"
"
"
"

Bikini I.
"
"
"
"
"

1964
1967
1969
1970
1972
1974-5

Soil, O-1 inch
"
"

Nam I.
"

1964
1969

iW

tt

"

"

Mullet,
"
"
"

muscle
evisc. whole
evisc. whole
evisc. whole

Noddy tern, muscle
"
"
"

"

i

"

.

2300
1400
1600

2
3
3.
50
9
15

920
540
1200
160
80
110

930
NA
520
NA
NA
130

1972

2
]

4

200
63

NA
18

1974

5

270

390

137¢Cs

60¢o

730

NA

Nam I.
"
"
"

1964
1969
1972
1974

b
b
b
b

6.4
0.8
0.7
0.3

98
12
9
2

Nam I.
Oroken

1964
1969

b
b

0.5

a
4

Nam I.

1974

b

These data were taken from the following reports:
Collection Date
Report
1964
Welander, et al., 1967
1967, 1969, 1970
Held, 1971
1972
Lynch et al., 1975
1974-5
This report
Composite sample of several individuals

<.]

0.9

Select target paragraph3