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Bookmark or Share- Radiation Sources and Doses | US EPAAccording to the National Council on Radiation Protection and Measurements (NCRP), the average annual radiation dose per person in the U.S. is 6.2 millisieverts (620 millirem) millirem). The pie chart below shows the sources of this average dose.
- Radiation Hazard Scale | Radiation Emergencies | CDCWhen radiation levels are higher than what we normally have in our natural environment, it does not necessarily mean that it will cause us harm. Learn more. 1: Category 1 means that radiation levels in the environment are within the range of natural background radiation for that geographic area.
- A Chart to Better Understand Radiation Levels and Their Effects ... - GOODA person's radiation exposure due to all natural sources amounts on average to about 2.4 millisievert (mSv) per year. A sievert (Sv) is a unit of effective dose of radiation.
- Doses In Our Daily Lives | NRC.govOn average, Americans receive a radiation dose of about 0.62 rem (620 millirem) each year. Half of this dose comes from natural background radiation . Most of this background exposure comes from radon in the air, with smaller amounts from cosmic rays and the Earth itself.
- Orders of magnitude (radiation) - WikipediaLight radiation sickness begins at about 50–100 rad (0.5–1 gray (Gy), 0.5–1 Sv, 50–100 rem, 50,000–100,000 mrem). The following table includes some dosages for comparison purposes, using millisieverts (mSv) (one thousandth of a sievert).
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