Appendix Table 15
Predominant Radionuclides in Surface Soil (0-2.5 cm) Collected on Several Islands at Rongelap Atoll]
December 1974

Collection
Location
TsTand
Site

Rongelap
"

60 Co

#]

0.3+0.1

Radionuclide concentration in pCi/g, dry4
1250,

ns?

4020.7

1.0+0.2

1+0.2

Meltu
"

#1
#2

3.2+0.2
3,340.2

2.640.3
2.10.2

18+0.4
19+0.4

17)
13

«-+0.5
+0.4

2440.6
18+0.5

Kabelle

#]

3.140.2

2.040.3

75+0.7

13

+0.4

16+0.3

Pit #7

2.9+0.2

1.9+0.3

31+0.5

15

+0.5

19+0.6

u

Gegen

5. 340.2
2.140.1

3.1+0.3

3840.5

26 «+0.5
9.1+0.4

90...

nab

na

0.33+ 0.06
35
28

+ 5.4
+ 3.8

8+

0.7

1464 0.2
95+ 16

3540.7.
1140.5

33
+ 4.4
5.0 + 0.5

130+ 68
223+ 20

5.1 + 0.6

69+ 6

8,240.2
10 +0.3

3.9+0.4
5.9+0.6

142+0.9
21241.3

23

29
41

+0.5

«+0.5
+0.7

3240.6

3940.6
6440.7.

49

4}
94

+12
+31

+ §.3

293+130

Lukuen
"
"
"
"

#1}
2
3
4
5

4.7+0.4
3.4+0.2
5.740.2
6.2+0.3
3.0+0.2

2.9+0.9
2.0+0.3
3,340.4
4.14+0.5
2.5+0.4

83+1.4
6340.8
109+0.8
209+1.3
149+1.0

21
15
26
23
12

+1.3
+0.4
«6+0.6
+0.6
+0.5

2941.2
20+0.4
3440.7
3440.6
1520.5

39
40

+4
+/7.8
na
na
na

153+ 54
268+ 60
397+ 42

"
"

6
Pit #4

3. 340.2
3.440.2

1.9+0.3
2.8+0.4

96+0.6
39+0.7

12
20

+0.4
+0.6

15+0.4
2/+0.6

60

+7

a.

5,340.2

3320.5
177+0.7

140.3

239,240),

#2
#3

"
"

#]

3.1+40.3
0.8+0.4

0.5+0.3

24),

0.340.2

#2
Pit #6

42+0.9

155,

Pit #3

"
"

ns

137,

383+ 38
113+ 10

108+ 38
409+ 38

The error values for all radionuclides listed except 90Sr and Pu are two-sigma, propagated, counting errors for a

single sample.

The error value for 90Sr and Pu is the two-sigma counting error for a single sample plus an

analytical error.
ns

na

not significant; the net sample count is less than the two-sigma, propagated counting error.
not analyzed.

9”

b.

Select target paragraph3