| Combined whole body occupational exposure |
|
| Prospective annual limit |
5 rems in any 1 yr |
| Retrospective annual limit |
10-15 rems in any 1 yr |
| Long-term accumulation |
(N-18) x5 rems. where N is age in yr |
| |
|
| Skin |
15 rems in any 1 yr |
| Hands |
75 rems in any 1 yr (25/qtr) |
| Forearms |
30 rems in any 1 yr (10/qtr) |
| Other organs, tissues and organ systems |
|
| Fertile women (with respect to fetus) |
0.5 rem in gestation period |
| |
|
| Population dose limits |
0.17 rem average per yr |
(Reprinted from NCRP Publication No. 43, Review
of the Current
State of Radiation Protection Philosophy, 1975) |
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