10 SUMMARY OF 1956 RESULTS
The range of 1956 results on the various materials sampled and the median values are
given in Table 8.
Table 8 —Sr*™ IN BIOLOGICAL MATERIALS IN 1956
Sr®® activity, yyc/g of Ca
Material
No. of samples
Max.
Grass (acid hill soils)
Grass (normal soils)
Sheep bones (hills)
Sheep bones (lowland)
Milk (Somerset)
3
61
6
T
13
2100
17
170
15.6
5.7
Milk {other areas)
10
10.3
Min.
Median
91
11
24
7.8
2.9
130
37
57
13.7
4.4
3.9
6.7
Human bones (femora and
tibiae)
0-5 years
5—20
> 20
25
10
2
1.55
0.38
0.13
0.15
0.15
0.06
0.70
0.26
11 ACKNOWLEDGMENTS
Weare indebted to K. H. Jones and to all members of the National Agricultural Advisory
Service of the Ministry of Agriculture, Fisheries and Food who obtained samples for us. Dr.
Rice Williams, in particular, gave very valuable advice and practical help in obtaining the
Welsh samples.
We are indebted to Dr. M. Bodian, Dr. J. S. Faulds, Dr. R. H. Mole, Dr. A. H. Cameron
and Dr. C. A. Jones who went to great trouble to provide the human bone specimens,to Dr.
J. F. Loutit, Dr. E. E. Pochin and Dr. R. Scott Russell for helpful discussions.
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