UNCLASSIFIED
a. Experiments for determining discrimination
factors
b. Numerical values for the various factors
e,. Combining values for the individual factors
IX, A DetailedBe scussion of the Occurrence of Strontium?
and Cesium
in the (ered aneont Biosphere, and its Uptake
and Behavggr in Man (oral, inserts, and pibliogrpahy)
NOTE:
will be outlined in detail below
A. Distribution, storage time, and fallout rate from
atmosphere
.
1. Combination of.local and world-wide fallout
of Sr90 resulting from fractionation; long
ff>
half-life; stratospheric holdup and mixing; decay
B. Deposition on soil and plants - variations of sr29
level in environment,_as a result of weapons detonated
in a velatively short period of time ~ from a few
months to two or three years
wet
wes
1. Predicted fallout as a function of mixing and
time
e. Effects of retention of fallout on surfaces of
vegetation
C. The calcium model as a basis for predicting sr?°
behavior
1. Similarities and differences in behavior in
the biosphere and in man
a. How much do we know about calcium?
i
b. How much do we Inow about strontium?
2.
Influence of amount of calcium in soil,
dilution and discrimination
diet;
a. Dependence of occurrence of gr7° in animal
plant life on calcium in soil and diet
b.
Practicability of controlling occurrence
of Sr9O by adding calcium to soil and diet
(1) caleium additives to milk
ec. Removal of Sr 90 from foods
(1) calcium consideration
a
D. Deposition in man - variations of Sr9° level
1. Function of age and time and location
of
2. Observed occurrence in man and corresponding
observed occurrences in soil and food
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