Table 230. Cumulative rems to organs from 239,240), via inhalation pathway, lung.
LISTS FaTTEPN
5 YRS
EXPOSED
18 VRS
38 YRS
5@ YRS
78 YRS
8.085
B.ARae
6.6681
@.eaae4
&. BABE
8.9809
M.12
A.Aaat
8.@0B:
8.6005
8. @B16
@.0022
2,90
a.aai7
8, @644
8.8152
6.4268
0.6368
4,78
8.a94a
8.0103
8.0357
8.8611
8. @846
7,30
A.nA62
a.aiés
@.8555
8.a9439
@.1314
17.Aa
8.0146
Aa.8374
A.1292
&.2218
8.3060
15.90
A.a129
8.8330
8.1146
@.i9sa
8.2708
77.08
8.8662
@.1634
8.5852
1.0818
1.3868
7.38
9.8863
8.8161
a.e5s5
8.ea949
8.1314
17.68
@.0151
8.08387
8.1338
8.2288
0.3168
9.58
a.aee2
@.a2as
@.8722
8.1235
@.1718
14.78
8.8126
8.8323
8.1117
0.1911
6.2646
POI-G
IN SOIL
1, MODIFIED
WHMOOTEIED
Il. MODIFIED
ome
WHMODIF IED
lil. MODIFIED
UNMODIFIED
IV. MODIFIED
UNMODIFIED
VY. MODIFIED
UNMODIFIED
VI. MODIFIED
UNMODIFIED
‘disappears only by radioactive decay,
.
t
Dose (rem) = Kef
i,e., that no other processes are in
C nan dt
0
operation which reducethe nuclide availability in the food chain. Therefore
C== Coe -Art » where Ca is the concentra-
- xe
tion observed at the time of the survey
toy
man
0
man
~o
or
and a. is the radioactive decay constant.
The concentration in man at any time t
x (e
after initial consumption of the food is:
“At
~e
-r
t
man at,
(5)
where K is a conversion constant from
I fan Co
Cman “MT
x (c
man
“At
pCi/g to rem and equals 5,1 X 107°
~r_)
-e
eee and E is the dis-
r
~A nan t
integration energy of the nuclide in MeV,
), pCi/g.
including a factor for relative biological
(4)
effectiveness (RBE).
The final dose is
The dose at any time t after initial con-
then determined from the integration of
sumption is
the equation, i.e.,
II-42