- 23 -
Appendix Table 1.
(continued)
4.
Month of
landing
K40
Mn>4
Bone
C060
zn05
gr?>-
Nb25
Ry1903)
ag 1 37
May
n*
ave.
max.
18/19
2.16
3.60
14/19
.16
1.64
4/19
.03
.14
16/19
.67
8.21
4/19
.05
.61
0/19
-~
--
8/19
.03
.13
June
n*
ave.
max.
33/61
1.34
4.54
37/61
.12
.42
4/61
.03
.61
42/61
.77
8.20
2/61
.O1
.34
0/61
---
9/61
.02
.19
July
n*
ave.
max.
45/78
1.97
8.47
22/78
.07
.78
7/78
.03
.62
22/78
.24
2.84
4/78
.02
54
13/78
.27
2.74
16/78
04
.30
August
n*
ave.
max.
18/110
.56
7.28
14/110
.08
2.49
32/110
.24
2.08
29/110
.28
9.57
8/110
225
8.32
22/110
.05
.68
September
n*
ave.
max.
25/96
.94
10.4
32/96
.12
.89
10/96
.06
1.14
18/96
.24
2.06
65/96
1.62
8.91
October
n*
ave.
max.
42/79
2.10
15.0
37/79
.27
4.23
15/79
.13
1.45
24/79
.49
6.98
*
23/110
.07
.64
12/96
295
11.3
15/96
.04
.37
65/79
16/79
3.93
7.31
17.1
115.
12/79
.05
1.47
Number of samples with values greater than the background count plus
the 95 per cent counting error/total number of samples.