Radiation Dose Limits: 10CFR20
dac pu239 to whole body effective
Radiation dose limits for occupational workers and the public per 10 CFR 20 (NRC), 10 CFR 835 (DOE), ICRP Publication 103 (2007), and EU BSS Directive 2013/59/Euratom. Includes annual effective dose limits (whole-body, lens, skin, extremities), pregnancy limits, ALI/DAC values for key radionuclides, tissue weighting factors (wT), and radiation weighting factors (wR) used in equivalent and effective dose calculations.
| regulatory framework | dose category | condition | limit type | organ or tissue | value mSv yr (mSv/yr) | value rem yr (rem/yr) |
|---|---|---|---|---|---|---|
| 10CFR20 | embryo fetus | entire pregnancy declared pregnant worker | occupational | embryo/fetus | 5 | 0.5 |
| 10CFR20 | extremities | annual adult occupational | occupational | extremities (hands/feet/forearms) | 500 | 50 |
| 10CFR20 | lens of eye | annual adult occupational | occupational | lens of eye | 150 | 15 |
| 10CFR20 | minor occupational | annual minor occupational | occupational | whole body | 5 | 0.5 |
| 10CFR20 | public dose in unrestricted | in any one hour at unrestricted area boundary | public | whole body | 0.02 | 0.002 |
| 10CFR20 | public effective | annual member of public | public | whole body | 1 | 0.1 |
| 10CFR20 | public effective alt | annual member of public (alternative) | public | whole body | 5 | 0.5 |
| 10CFR20 | skin | annual adult occupational | occupational | skin | 500 | 50 |
| 10CFR20 | whole body effective | annual adult occupational | occupational | whole body | 50 | 5 |
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