~
you, by its sound, when there is no more material leaving on the separation
operation.
We send the coarse fraction right off to storage (REECo 86) as indi- |
_cated on the flow diagram at the end of the three ball-millings.
We con-
: solidate the less than five hundred micron fraction into as few cans as we
‘
wif
tan comfortably homogenize.
The homogenizing is done by ball-milling the
can that’has its maximum content a few minutes until we get homogenization.
At the present time we are adding five hundred milliliters of soil to
the counting.bottle.
The bottles go to the Test Site and are put on a
10 automatic sample ‘changer (REECo 87).
In the rubber glove is a vibratory
11
spatula which has_ been one of the most useful tools for transferring mate-
12
rials and for cleaning up:screens and doing various odd jobs.
13
We make up a 200-gram-compos ite soil specimen for the leaching process
14
in radiochemistry and I have.aiready indicated that we need the collabora-
15
tion of DRI
16
have accomplished what the collecttaigand processing set out to do.
17
us, we stil) have an important waysto-go and that is cleaning up al) of
18
the hand tools, the screens, the pans and covers that we have contaminated
19
with dust along the way.
20
as it goes on, you'll) notice that you don't:see dust coming from the opera-
21
tions.
22
operation.
23
detergent
24
initials or pictures of our family on the surfaee- ofthe pan for the
25
screen.
26
did it, we still ended up with a film (REECo 88).
27
cleaner and no longer have film on our equipment.
28
We
in getting the proper_specimens combined.
have
been
At this point we
For
If you come intoveka lab and watch the processing
very
concerned
about "eliminating
dust
from
our
When we started out we would washall of the equipment with
in
the sink,
then
dry
it,
and found that we could draw our
It didn't really matter how much brushing we did or how long we
Wé-went to the sonic
The equipment comes from the sonic cleaner, gets a water rinse, goes
145