Radiação Safety Limits
Exposição Guidelines
Learn Safety LimitsRadiação exposure limits protect workers e o public from harmful effects. Understanding estes limits e comparing them to cotidiano exposures provides important context.
Comuns Exposures
| Source | Dose |
|---|---|
| Chest X-ray | 0.1 mSv |
| Dental X-ray | 0.005 mSv |
| CT scan (chest) | 7 mSv |
| Mammogram | 0.4 mSv |
| Flight (NY to LA) | 0.03 mSv |
| Living near nuclear plant/year | 0.01 mSv |
| Smoking (1 pack/day/year) | ~70 mSv to lungs |
Conclusão
Radiação limits são set conservatively based on observed health effects. A maioria medical procedures involve small doses compared to annual limits. Background radiation from natural sources (~2-3 mSv/year) é unavoidable e generally harmless. Context helps assess relative risks.