- NN
es
a
&
pA
as
—ss
SANEOD
.
‘
Le
.
=
hy
Se
SEES OS AN SSR
~
grt
|
=~
SB
+
ve.
—— ~
=e
.
.
,
Further investigations are in f.c gress on the reasons for
the deviations shown by the three static::: smtioned above.
In
addition, analysis of foreign soils will te made where available to
extend the comparison.
Other Comparison Programs
‘Other sampling procedures for fallout documentation are by
collection in a high-walled pot, or by collection:of rainfall.
These
' procedures may ‘also be used for calibration of the gunned film.
The
first is represented by data from New York City by HASL, and the
second by data from Pittsburgh by Nuclear Science and Engineering
Corporation under AEC contracts.
The detailed data will be presented
later, but Table 2 indicates the cumulative results useful for cali-
bration purposes.
For comparison, the New York City (La Guardia
Airport) soil and gummed film data are included.
|
|
The pot and rainfall samples show that the 1.6 correction
factor is not sufficient for this period.
It must be emphasized,
however, that this is not necessarily a failure of the original pot
to film calibration figure of 1.6.’ It is more likely a failure to
attribute measured MFP activity correctly to earlier tests, with a
corresponding error in Sr-90 estimation.
&eo. Te.
2
.
.
a
jy
:
os
.