1346
II.
FALLOUT FROM NUCLEAR WEAPONS TESTS
In the case of cesitm and tine:
x
s(t) =a (1 -a ®t) 4 84 eat
ale
x is the daily accretion in uc/day, and a, ia the body burden in uc at t = 0.
=-a8 +X = -8
”
x
set +a(l- e78t)} +x
= -E(t) + x
xP(t) = E(t)» a [se** +e Q- eat
M= lin s(t) =x
-
5
a
t—» oO
zine”?
a= 6.3.x 1073 days! (41/2 « 110 anys)
k= 10
BAF 0.03 uc
Ces furl 37
a« 4.€ x 1073 days") (t1/2 = 156 days)
=O
#The urinary/fecal ratio of rediccesium for human subjects ia about 5/1, so that
attoePciedaMNRaeee5
estimates of body burden are too lcw by about 20 percent.
a ber tM ae
es
BL
k« if
+ aseateraged) te
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%
4
a
i,
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; POE
el si
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ee teal
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