Radiation Dose Limits: 10CFR20
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 | notes | value mSv yr (mSv/yr) |
|---|---|---|---|---|---|
| 10CFR20 | ali_co60_inhalation | adult worker inhalation Co-60 | ALI_inhalation | ALI inhalation Co-60 Class Y (lung); units: microCi | 30 |
| 10CFR20 | ali_cs137_inhalation | adult worker inhalation Cs-137 | ALI_inhalation | ALI inhalation Cs-137 Class D; units: microCi | 600 |
| 10CFR20 | ali_h3_inhalation | adult worker inhalation H-3 HTO | ALI_inhalation | Annual Limit on Intake by inhalation — tritiated water; Class W; units: microCi | 800,000,000 |
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