X.
=
compartmenr i deposition fraczion,
x!
#
the number of atoms
in compartment
i relative
to the number in all
cempartments at the onset of increasing continuous uptake,
fraction transferred from GI trace to dlood,
u
oy
as
ml
(t=9),
‘Instantaneous fraction of atoms removed (or added if negative) to
the atom uptake per unit time, day |, due to factors other than
tadioactive decay,
q
=
instantaneous body burden, UCi,
q°
=
body burden at the onset of uptake,
D
=
the number of disintegrations in all compartments cccurring duriag
uCi,
the uptaxe interval, uCi days.
The
13705
infant body burden at onset of uptake,
zero in this report.
tract
to the blood,
q°, was assumed to de
aAiso, the fraction transferred from the gastrointestinal
fie was assigned a value of unity (Ki 75).
The environmen-
tal removal rate constant, K., as listed in table 3 was determined from the
-
adult female Bikini population.
The value reflects the addition of
137
Cs to the
The value of
Xk. for adulc males and for adult females were found to Se equal.
Since x.
rm
diec (thus the negative sign) between April 1977 and April 1978.
appeared tc be constanc
for the adult population,
it was assumed te de applica-
ble for the infance population.
_
137
.
.
The value for the long term
Cs physiological removal rate constant, K,
(see Table 3), is variable and a function of body mass and sex.
aAn equation
relating these parameters to Ko was developed for the Bikini population ages 5
to adule (Mi 81) and is of the form:
Kk *a+od ln (m)
where k * the long term physiological removal rate comstant, yr
(3)
,