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

Select target paragraph3