.
va
“
We a a net mlRemeee ele elae ao
nh
56
Appendix Table 3.
Relative Radioactivity with Depth at Each
Walton Station
(Highest value at e&ch depth taken as 100)
Station
Surface
25m
50m
[5m
100m
1A
B
C
D
E
3.6
1.6
100
100
o4
AY
100
74
19
100
100
0
47
0
8.1
17
0.86
0
19
3.9
1.4
-0
0
0
2A
B
Cc
100
98
4g
100
-62
4.7
0
-5.8
100
3.3
81
71
100
E
50
-100
74
3A
B
C
D
E
78
31
34
100
100
0
100
Bo
59
Ky
100
-100
15
39
5.4
109
0
@)
18
34
50
D
hoa
63
3.3
--
0
100
8.6
12
ky
|
B
C
D
=:
SA
B
Cc
D
E
100
100
100
100
100
100
100
Ky
100
1.0
73
11
76
17
67
ko
56
ho
0
100
Q
69
0
26
13
78
31
31
35
0
4S
32
39
12
A?
61
100
24
3.8
l2
71
55
11
2.3
ek
12
28
6A
B
C
D
E
49
100
18
100
190
100
24
100
52
31
54
18
7.7
55
32
21
8.5
19
34
33
12
12
45
66
9.0
190
62
33
73
8.1
C
D
E
F
100
89
100
100
-77
30
--
81
B82
71
26
-190
52
--
29
85
5
18
SA
B
C
74
57
ho
79
---
109
100
100
14
~~
--
79
100
55
24
7A
B
83
13
190
D
100
F
100
E
23
a
--
23
59
56
15
--
--
--
3.2
13
1.1
1.1
4.9
14
29.