| Maximum Permissible DOS Equivalent for Occupational Exposure |
| 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-terms 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 woman (with respect to fetus) |
0.5 rem in gestation period |
|
| Population dose limits |
0.17 rem average per yr |
| (Reprinted from NCPR Publication No. 43, Review of the Current State of Radiation Protection Philosophy, 1975) |