o
PREDICTING EFFECTIVE BIOLOGICAL DOSES FRCM DOSE-RATE READTKCS
"ff
Ce
Mexivun i :@
(Pasod on
Bist ketiBated Hate Biological
of Decay}
Factor.
From time of fallout
until time of evacuation
From tine cf evecue
ation +> tine of
revurii*
From i7> 2 of reterca
to a tins 15 dsys
efter initial fallout**
From 15 ceve until
ou2 xe
Uf Fiar
iniiiu
Zout
,
A¢wenunction
fad
Wertharing
Feovor
De
Ee
cffeetinve
Frfective
( Coluz
(Cokunnsy
Piologicsl
ose Factor
Ey
eC)
V/1
1/2
1/2
3/4,
hh
V/20ee
3/4,
aft
Ver e#
2/3
1/2
V3
TOWT,
2
—_ iene
*This .- imate is based on the concent that if evacuavion
were 22 cecomplished, then a certain radisvion devs
wouls bo cgewarlevcd over the peried of toee eclec ied, The 8 tine
Period z2leo represents toa radiation dese saved if cvecustion vers
accom;ished,
‘
FeThis assuces that the tine of re turn occurs bofors 15 Gays. A poriod
of 15 deys was selected to provide a dividing point tctween the tines
of jnitiel exposure from fallout to a timo one yeer
later. The 15
anys eg ro uniau. sicnificance other than providing a vasis on which
to esiiuate the bDicic ical factor,
**kThe velue of 9/16 has been rounded off to 1/2.
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Hage
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