54
Appendix Tatle 2.
Felative Fsadiocactivity with Depth at Each
Marsh Station
(Highest value et each derth taken as 130)
Station
1
Surface
100
25m
50m
100m
150m
12
2.4
8.9
4.3
4d
2.3
75
1.0
31
85
2
100
2.5
4
190
3.7
3
2
6
100
100
190
1.4
1.0
1.6
--
-.75
54
6.1
3.2
48
80
19
47
54
32
21
8.8
11
5.8
190
100
10
ll
1
13
14
15
16
199
190
100
190
199
100
100
16
8.0
20
13
13
P7
12
6.9
8.3
21
18
5.9
22
11
aos
5.3
4.2
3.4
2.9
12
8.4
18
19
20
109
1090
1090
14
17
3.5
9.9
21
5.3
3.5
5.1
1.4
12
10
8.0
7.3
3.0
9.3
-.94
5.3
4.6
7.4
22
ll
9.4
3.2
3.0
5.7
€.9
6.2
1.9
.73
4.0
1.3
214
4.0
17
el
100
190
199
22
23
100
100
25
26
27
28
29
30
100
19)
100
109
100
100
é
31
32
33
34
32
3
190
190
190
100
190
100
6.4
37
42
€3
74
28
62
61
10°
190
100
80
51
5&
109
190
62
ko
100
AS
8.9
--
100
43
44
12
100
37
33
39
Lo
4}
35
109
74
oD
71
75
35
13
9.9
19
10
48
65
7.6
20
14
35
L&
-15
74
60
65
1.2
.42
1.0
6.2
--
58
100
-.67
13
8.7
31
7.0
6.1
~
2.6
5.3
54
gu
3.2
4.1
2.8
2.7
3.3
5.2
5.4
2.0
15
-7.0
93
a5
25
36
5.0
1.3
4y
--
--
4.8
7.5
i
8
9
73
4.2
kl
6.2
.80
3.0
3.1
13
5.6
18
56
56
-10
--
5 , BOE ARCHIVES
ok
64
3.1
5}
4,8
36
3.4
9.7
GO