ey
AR oe
UCRLE Pe ReSmea IO
41
PERMISSIBLE DOSE FORINTERNAL RADIATION
Table 1. Maximum permissible body burdens and maximum permissible concentrations of
radionuclides in atry and in waterfor occupational exposure
(critical organ
in total
reference®
and type
of decay
burden
bold face)
(submersion)
(Be?
ay
body
.C4(CO,)
p-
Lane
| GI@.L)
pr
Bone and
' teeth
: Total body
| Lung
Na?
iat
a, y
O1
0.2
{5x 10-*|
|sx10+|
003
005
[2x 10-7
|3x 10-
(sol.) | Total body
;GILD
(insol.) | Lare
0.05
6
9
9
2
50
10-*
16x 10+
|8x 10-4
|8x10=|2x 10-5
4x 10-5
|
0.05
|9x 10]
0.02
0.03
0.04
4x 10-* | 8 x 10-3 10-*
[5x 10-*f
001
|2x 10
|6x 10+]
0.01
|2x 10+
300
400
400
|
;
|
|
20
20
|
|
|
|
i
| Lung
!
|
7
3x 10+
10-5
0.2
0.3
3x 10-*
4x 10-*
0.06
0.09
19x 10-*
10-5
3x 10-* | 5 x 10-7) 9 x 1077
2x 10-5 |
yo?
..
4x 10-7
5x 10-* 8 x 10-*; 2 x 10-*
6 x 10-¢
2x 10-7 4 x 10+ 6 x 10-*
12x 10-* 13x 10-2 7 x 107
0.01
|
4x 10+
{2x10
3 x 10-*
|3x104
6 x 10-*
2x 10-5
0.02
0.01
10
|
002
5 x 10-*
t
|
0.02
2
3
3
7
20
10+*
;
’
(sol.) : GI (SD
| Torat hedy
finsol.) | GIQ@LH
4x 10
600
800
800
;2 x 108
4x 103
|
(sol. | GIGSD
(MPC).
(ucjcm*)
2x 107%
(submersion) ‘ Jotalivéy
i
(MPC).
(uc/em*)
I
|
,
|
(insol.) GI(ULD
B+,
(MPC),
(wc/em?)
1° |
2 x 10°
sol.) Fat
Total body
| Bone
i
Fu
(MPC).
For 168 hr week
(wc/em*)
Skin
(sol.) | GI (LLD
Total body
Kidney
Liver
Bone
Spleen
(insol.)
For 40 hr week
rit9)
,H*XHTO or H30) Bodytissue
B[(sol.) Total body
(H})
Maximum permissible concentrations
9 x 10~ |
3 x 10
207* 2x 10°77
3 x 10 5 x 10-*
| 6 x 10-* 10-*
+ 991
12x 104
2x 10 | 4 x 10-7
4 x 10-3 | 6 x 10-7
Hy
;
~ 18x10) 10-7
|
.8
| Maximum
| permissible
4 of
Radionuclide
Organ of
| 3x 10 5 x 10
8 x 10-7 |
13x 10-7
®* The abbreviations GI, ©. $J. UL: 2. LIT refer to gastrointestinal tract, stomach, smal] intestine, upper
sap -cdvely,
large intestine. and Jower ca gv intes...
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