DR. MCCLELLAN:
DR. KORANDA:
thing.
This one here they had 45 minutes, 16:45 to 17:30.
Yes. That includes set up time and all of that sort of
We would still be out there if it were that long a measurement.
The next slide (JK-9).
measurements made.
horizontal
scale,
cesium-137.
This is a frequency distribution of the total
I can't say too much about it because it has an unknown
and
This
the
units
though
are
in
counts
is essentially the cesium-137 flux,
per
minute
of
and the data are
skewed by some high values, in this case from natural habitats which were
measured, and they represent, according to Harold and our own observations,
10
at least a different situation from the idealized site, namely a lawn.
The next slide
ll
(JK-10) will
show the natural habitat data with the
12
maximum flux here being 85, which
13
slide for the total data base; and the next slide (JK-11) shows the lawn
14
data which is a little more orderly, but there are a few lawns which we
15
will probably explain with the high concentrations out here when we get the
16
vertical distribution of the radioactivity at that site.
The
17
next
slide
(JK-12)
I
I think
think
is what it was on the previous
shows
the
Las
Vegas
site here at
18
Squires Park with the diodes and the P.1.C. or ionization chamber, and this
19
is our system here which
20
standing system which EML has used, and we had -- I think that's theirs,
21
isn't
22
measurements at this site.
23
it,
Harold?
is tethered to a truck,
Yeah,
The next slide (JK-13)
that's
yours.
were
is the free
making
spectrum obtained at that place (Squires Park).
25
really see it and,
26
photopeak
27
natural radioactivity.
of course,
People wonder if you can
with the solid state detector the cesium
is readily discernible even in the presence of high
The next
slide
(JK-14)
parallel
I think shows the region of interest in that
24
28
We
and this
shows
levels of
one of our measurement sites over
84
in