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  2. Sievert - Wikipedia

    en.wikipedia.org/wiki/Sievert

    US Department of Energy 2010 dose chart in sieverts for a variety of situations and applications [32] Various doses of radiation in sieverts, ranging from trivial to lethal, expressed as comparative areas Comparison of radiation doses – includes the amount detected on the trip from Earth to Mars by the RAD on the MSL (2011–2013). [33] [34 ...

  3. Orders of magnitude (radiation) - Wikipedia

    en.wikipedia.org/.../Orders_of_magnitude_(radiation)

    Recognized effects of higher acute radiation doses are described in more detail in the article on radiation poisoning.Although the International System of Units (SI) defines the sievert (Sv) as the unit of radiation dose equivalent, chronic radiation levels and standards are still often given in units of millirems (mrem), where 1 mrem equals 1/1,000 of a rem and 1 rem equals 0.01 Sv.

  4. Radiation exposure - Wikipedia

    en.wikipedia.org/wiki/Radiation_exposure

    Equivalent dose and effective dose are measured in sieverts (Sv). [4] Dose quantities used in radiation protection. For example, suppose a person's small intestine and stomach are both exposed to radiation separately. [2] The absorbed dose of small intestine is 100 mSv and the absorbed dose of stomach is 70 mSv.

  5. Roentgen equivalent man - Wikipedia

    en.wikipedia.org/wiki/Roentgen_equivalent_man

    For comparison, radiation levels inside the United States Capitol are 85 mrem/yr (0.85 mSv/yr), close to the regulatory limit, because of the uranium content of the granite structure. [14] The NRC sets the annual total effective dose of full body radiation, or total body radiation (TBR), allowed for radiation workers 5,000 mrem (5 rem). [15] [16]

  6. Background radiation equivalent time - Wikipedia

    en.wikipedia.org/wiki/Background_radiation...

    The definition of the BRET unit is apparently unstandardized, and depends on what value is used for the average annual background radiation dose, which varies greatly across time and location. The 2000 UNSCEAR estimate for worldwide average natural background radiation dose is 2.4 mSv (240 mrem), with a range from 1 to 13 mSv. A small area in ...

  7. Equivalent dose - Wikipedia

    en.wikipedia.org/wiki/Equivalent_dose

    Currently, the ICRP's definition of "equivalent dose" represents an average dose over an organ or tissue, and radiation weighting factors are used instead of quality factors. The phrase dose equivalent is only used for which use Q for calculation, and the following are defined as such by the ICRU and ICRP: ambient dose equivalent

  8. File:Radiation Dose Chart by Xkcd.png - Wikipedia

    en.wikipedia.org/wiki/File:Radiation_Dose_Chart...

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  9. Gray (unit) - Wikipedia

    en.wikipedia.org/wiki/Gray_(unit)

    The International Committee for Weights and Measures states: "In order to avoid any risk of confusion between the absorbed dose D and the dose equivalent H, the special names for the respective units should be used, that is, the name gray should be used instead of joules per kilogram for the unit of absorbed dose D and the name sievert instead ...