Table 8.
Parameters Values Applicable to the ICRP 11 Model for
Transuranics Other Than Plutonium ‘2?
ee
Element
a
Neptunium
Americuim
Curlum
-
oan
eee
Berke} ium
Californium
_.
120
120
Dy
Biological Half-Time, Days
120
Deep
120
120
Lung
(slow portion)
Liver
54000
3480
3000
Kidney
64000
27000
24000
Total
Body
39000
20000
24000
t
fa)
NPs
1,0
als
NPs
O39
(bl
:
i
65000
65000
NAS OPHARYRGEAL REGION
Dg
Fraction From Blood to Organ
Liver
0,05
0.35
0,40
Kidney
0.03
0.03
0.02
0.45
0.25
0.30
Bone
(a)
tc)
0.80
0.80
BLOOD
TB,
F
(B41
i
|
|
D.[_
——
fqdqQy yrornaeeres ponasc
f
All other parameter values are identical to plutonium.
(a)
TBy
|
!
fp
!
TRACHEOBRONCHIAL]REGION
(
—
Cm
T
I
poPn fF
I
aa,
|
{
:
(gi
1 Pg
|
pS
A i
fa PULMONARY REGION
Pum
iymen!
CI
TRACT
|
ume
Lo LL
Sr
FIGURE 4,
664
Schematic Diagram of the Task Group Lung Model
From Houston et al., 1975
665
I
'