| Occupation/medical treatment | Radiation dose (mSv) |
| 1 day of natural background radiation | 0.01 mSv |
| Chest X-Ray | 0.1 mSv |
| Mammogram | 0.7 mSv |
| Pregnant aircrew maximum during pregnancy | 1 mSv |
| Average human exposure per year | 3 mSv |
| Aircrew per year | 6 mSv |
| Body CT Scan | 10 mSv |
| Radiation technician per year | 50 mSv |
| Aircrew maximum exposure per year | 50 mSv |
| Human maximum accumulated over a lifetime | 100 mSv |
| Astronaut living on the International Space Station (6 month exposure) | 100 mSv |
| Radiotherapy (head & neck, breast) | 500 mSv (50 Gy) |
| Astronaut journey to Mars (6 month exposure) | 1000 mSv |
| Acute Radiation Syndrome (fatal ARS exposure) | 1000 - 2000 mSv |