ie
Table 5.1 —RADIOACTIVITY OF SAMPLES SUMMARIZED BY GROUPS AND BY ISLANDS*t
Water
Island
n
Av.
Plankton
nA.
Algae
a
Max.
Invertebrates
Min.
Av,
n
Max.
“Min.
AV.
,
@
Pretest:
Japtan
Igurin
Rigili
Bogombogo
Engebi
Aomon-Rojoa
Runit
6
0.94
«8
1.3
8
2.6
9
0.30 10
0.22 12
0.12 18
2 0.000005 2
2 0.000055 1
2 0.00073
2
2 0.000030 2
2 0.000915 2
2 0.00019
2
Av.
0.00014
0.099
0.51
0.97
4.3
21
54
51
0.041
0.067
0.14
0.24
0.18
1.7
0.087
0.066
0.18
0.40
1.4
8.3
7.7
7.6
0.92
49
23
33
55
712
45
52
0.47
0.46
2.8
16
48
8.5
80
0
«0
0
0
Q
0
0
0.024
0.041
0.24
0.99
3.2
1.12
3.9
3.7
1.4
Posttest:
Japtan
Igurin
Rigili
Bogallua
Engebi
Aaraanbiru
Aomon-Biijiri
Runit
2
2
2
2
2
2
0.00013
0.00052
0.0020
0.094
0.921
0.0960
2 0.00044
Av.
2
2
2
88
45
850
2
6
6
0.70
10
40
6 2,100
8 14,000
3 6,800
8 6,200
58
13
2
0.018
0.22
4.1
28
1,200
2,500
56
250
13
n
Max.
103
180
49
0.47
68
15
92
400
23 (7,700
21 15,000
38 6,800
50
160
«0
0.083
0
4.0
0.35
44
25
1,180
10
1,670
2.1 1,090
0.63
1,800
Fish
Island
0.30
15
§50
5,200
4,000
2,400
Min.
26
Bogombogo
45
50
50
50
50
Engebi
Aomon-Rojoa 50
50
Runit
0.074 0
0.105 0
0.73
«0
2.5
72.0
4.2
45
0
A
Max,
0.022 14
0.021 22
0.092 17
0.074
3.7
8.6
0
0
0
0.014
0.28 16t
0.56 247
0.047 0
0.038 0
0.013
0.010
3.4
1.3
0.092
0
0.83
0.28
88
328
0.018 0
0.026 0
0.006
0.008
0.19
2.0
0.34
2.6
0
0
0
Av.
Posttest:
Ay.
1.6
0
0.12
n
Max.
Min,
ay
0
0
te
Av.
0
ie
'
e
/
@
tL.
e
0.007
0.35
0.76
Av.
Japtan
Igurin
Rigili
Bogallua
Engebi
Aaraanbiru
Aomon-Biijiri
Runit
22
24
30
e@
Land vertebrates
Pretest:
Japtan
Igurin
Rigili
'
570
Land plants
Min Av.
er)
0.86
50
4.1
50
380
54
79 6,800
66 7,500
70 6,800
68
12
0.22
0
0.50
0
22
0.10
0.46 310
0.37 590
0.22 160
0.10
8.3
6
11
20
0.33
39
820
6 4,000
12.
2
370
60
0.13
0.83
1.0
280
4.9
20
0.24
16
100
1,900
89
40
360
160
28t
2it
19y
21¢
485
21t
0.54
1.7
53
280
46
23
0.070
0.044
0.019
0.28
0.48
0.17
0.23
0.48
8.6
23
6.2
2.5
6.9
*Measured in disintegrations per minute per gram (x 1000), wet sample.
tn refers to plates counted, not to specimens.
tBirds.
§Rats.
83
UNCLASSIFIED
L_.@