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the chemical and
radiochemical composition of solid fallout as a funotion of particle
size, zero~point environment, time and distance of collection, and
gross decay characteristic Pots
the chemical a
fie-
radiochemical nature of liquid fallout and base sunece
y ste
A sample of solid fallout from Shot 1 was separated into 14 part.
icle-size fractions which were analyzed for,Se5%—er?3,~
;
andes,| In, gach case the activity per unit weight of ‘acttve particles
below 50,was “found to decrease regularly with inereasing size, but in
a different manner for, each muclide, indicating radiochemical fractiona-
tion . Above 50;~ ‘the’ relationships were obscur,
The gross decay
did not vary at all with Eattislesles
otearty
tines and only. slightly
at later“tines.
(in the fallout from Shots 1 and 3,” $r89-and-Satho showed a greater
tendency to concentrate in the liquid phase than the other fission
products studied.
Shot 4 fallout samples, principally liquid, ovtained—frem-a
Project—2r5b-intermittent—falloutcallector indicated that the relative
concentrations of; Sr9-and-—Bat4O increasewith time of collection.
The-base—surge-—sampling-program_was-unsuccesetite
No information was obtained on variations of eorposition with
distance. <
eS7 ~7,
Zv- 7S,
Meo?
ba “149,
Jord
cle 4K
ee svi9e ard G2 -/ 40
5-6
SECRET — RESTRICTED DATA
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