PN a RAR Bat
UNCIASS IFIED
A. The relative importance of internal emitters compared
with external radiation in general for the long-run
fdllout situation (other than local fallout)
1. Factors of interest; criterla for deciding what
radiation and which emitters should be worried
about
fee
Yield
Half-life
Physical distribution
Physical, chemical, and radiochemical
properties
Uptake by plants from soil
Uptake by animals and man from diet, water,
and air
- Retention and distribution in man
Note:
This topic up to this point is primarily an
orientation for the detailed treatment to
follow in the remainder of this and the following
topics
B,. Deposition on and migration in soil and transport by
surface waters
1, Dependence on chemical properties
a. Strontium
b. Cesium
_
_f
¢.
Plutonium
d. Rare earths
2, The effect of river basin and ground water flow
patterns; the effect of porous substructure
such as Idaho: lavas; the effect of inland sinks
such as Salton Sea
3. Effect of soil type and rock structure
4, Mechanisms for fallout penetration into soil
5. Decay
C,. The effect of agricultural practices on the distribution
of fallout
1.
a
Possibilities for modifying agricultural practices
2. Possibilities for liming soils
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