Attachment
1
410012
The Pu model used:
R
45% of transferred
Pu to bone; T1,2 = 100Y
45% of transferred
Pu to liver; T1,2 = 40Y
10% of transferred
Pu to other; T1,2 = 0.1 Y
Daily Pu intake:
1 g/d of soil (median value 5.4 pCi/g) = 5400
fCi/d
120
fCi/d
3000 g/d of food at 4X10-5 PCi/9 =
N 5,500 fCi/d
Total
lg/d soil (mean value 10 pCi/g) =
3000 g/d food at 4X10-5 pCi/g
120 fCi/d
=
Total
Table 1.
10,000 fCi/d
w 10,OOO fCi/d
The liver and bone Pu burden for the above model conditions for
various gut transfer factors (GTF) after 7 years intake at 5500 fCi/d and 2
years of no intake.a
-Gut transter
factor
Liver Burden
Inhalation
Ingestion
Pu Burden, fCi
Bone Burden
Inhalation
Ingestion
Tota 1
10-4
6.5x
102
2.1 x 103
6.8 x 102
2.2 x 103
5.6 X 103
5X10-4
3.3 x 103
2.1 x 103
3.4 x 103
2.2 x 103
1.1 x 104
10-3
6.5 X 103
2.1 x 103
6.8x
103
2.2 x 103
1.8x
104
10-2
6.5 X 104
2.5 X 103
6.8 x 104
2.6 X 103
1.4X
105
10-’
6.5 X 105
6.6 x 103
6.8 x 105
6.9 X 103
1.3 x 106
a Inhalation values are based in the model described in UCRL-53225;
intake = 44.7 fCi/d.