C
,
TABLE I
(
FRC RADIATION PROTECTION Guipes 1/
Whole body
Gonads
:
|
Individual
Population Group
0.5 rem/yr
0.17 rem/yr
-
.
5 rems /30 yrs
Thyroid 2/
1.5 rems/yr
0.5 rem/yr
Bone marrow
0.5 rem/yr
0.17 rem/yr
Bone
1.5 rems/yr
0.5 ren/yr
Bone (alternate 3/
0.003 pg of
0.001 pg of
skeleton
skeleton
guide)
226pa in adult
226Ra in adult
1/ For conditions and qualifications see FRC Report Nos. 1 and 2.
2/ Based upon a childs thyroid, 2 gms in weight and other factors
listed in paragraphs 2.10-2.14 of FRC Report No. 2.
3/ Or the biological equivalents of these amounts o £ 226pa,