eke
haut aid Fade’ «wad = fame” «meds tnt temas’). (Sted
4
by
Soll_Analyses
Two sets of date are available on the Strontium-90
content of solls,
The first network Includes I7 sites In
the United States where sampling and analysis have been
carrled out by HASL
personnel.
These sites
have been
sampled annually In October and results for 1955,
and 1957 were included in HASL“42.
1956,
The locations are shown
in Fig. 3 and those analyses available at this time for
1958 samples are
listed fa Table 7,
Additional) results
should be ready before the Congressional Hearings and will
be listed in an addendum to be furnished about the first
of May.
The second Is e@ serles of samples collected by
Dr. Lyle T. Alexander of the U. S. Department of Agriculture
at selected sites throughout the world,
These samples have
been analyzed af the Health and Safety Laboratory and the
results of
the two most recent collections are mapped in
Figs. 4 and 5.
The tnterpretation of these results will
be presented In @ separate report by Dr, Alexander,
:
In any program that depends heavily on the quality
of chemical analysis,
it
of the analytical data.
been submitted fo
[Is desirable to know the relltability
As a
test of quality, samples have
the HASL analysts by Dr. Alexander,
tified only by the sample number.
Iden-
A considerable group of
these were submitted as blind duplicates and form a good
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