~6-
C.
e,
Puysical, chemical, and radiochemical properties
f.
Deposition of toxic materials
Intermediate and delayed fallout
1.
The production and distribution of fallout in the atmosphere
a.
b.
c.
2.
Dependence on height of burst, yield, type of
explosion, and scavenging material
Obdserved or inferred physical, chemical and radio-
chemical properties, with special reference to
fractionation
Division of material:
(local), tropospheric, and
stratospheric; determining conditions
Transport through and removal from the atmosphere
a,
The stratosphere
(1)
(2)
Transport, mixing, possible methods of
removal
Storage time; cumulative world-wide fallout
as a function of time; predictions of future
fallout from single event; from past weapons
tests
(3)
b.
Sources of information; measurements and
estimates of radioactivity in stratosphere
‘The troposphere
(1)
Tropospheric removal processes; storage time
(a)
(2)
(3)
Precipitation, intercepticn, dry
deposition
JCAE
Possible regions of unusual removal (fallout)
because of meteorology or topography
{a)
Exposure to prevailing winds and
(bo)
Effect of large bodies of water on
the sometimes accompanying effect,
orographic rainfall
the distribution of fallout on adjoining land areas
Meteorological tracking and other discussion
of transport
\L2