PROPOSED SOIL PREP - FLOW CHART
Step 1
(5 min)
)
_l
Weigh bag
and con-
1 ‘)
tents -
|
ie
/3
Li.
Steps 5,6
(15,min)
Step 7
(15 min)
Transfer to
empty tared
Weigh and record 1/2 full
ing inside
and place in
cans work-
record
My
/y
Steps 2,3,4
(30 min)
tared cans
a larger bag
(24
hours)|
drying oven
Remove dried
sample cans -
Weigh and
record
i
)
,
etc. as above - for each layer
My
Oye,
N
Step 8
Step 9
(30 min)
|
Add 10 balls/
can fasten
lids install
clips place
in ball mill
|
(60 min)
‘Sieve 32 mesh
(30 min)
Sieve 32 mesh
(3 hours) and save; put
>
(1 hour) and save; put
——$——
(500 u) screen;
collect fine
coarse in fresh |
(500 wp) screen;
collect fine
coarse in fresh
can and ball
(1 hour)
Siev.
tev
32
mes
h
pape (500 ) screen |
can and ball
mill
Step 10
(20 min)
mil 1.
Step ll
_ (15 min)
Collect "fine".
in a tared can
(blend) and
coarse in a ®
tared Nalgene
bottle - weigh
and record
(15 min)
rine
Make up two
700 gm samples
oF Cs-137
samples
analysis - save peeeS
excess
a
(™
A
Step 12
(60 min)
Make up one 200 gm
compusite sample from
layers 1 and 2 and
one 200 gm composite
sample from layers 3
Remainder
Coarse
|
store
and 4 for Pu-239,240
Samples
fo
wey (ane
1&2/ (3&4
analysis, save excess
Remainder
AR.
»
Store
HHi-1