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  2. Personal RF safety monitor - Wikipedia

    en.wikipedia.org/wiki/Personal_RF_safety_monitor

    Usually, the alarm of most RF personal monitors is triggered by instant values, however, standard limits are specified as time-averaged values. Some RF monitors have the possibility to trigger alarms based on average values, which is a better indication of the real exposure situation (as an example, an instant value can be at 200% while the ...

  3. Specific absorption rate - Wikipedia

    en.wikipedia.org/wiki/Specific_absorption_rate

    Specific energy absorption rate (SAR) averaged over the whole body or over parts of the body, is defined as the rate at which energy is absorbed per unit mass of body tissue and is expressed in watts per kilogram (W/kg). Whole body SAR is a widely accepted measure for relating adverse thermal effects to RF exposure. [9]

  4. Electromagnetic radiation and health - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_radiation...

    Radio frequency (RF) energy at power density levels of 1–10 mW/cm 2 or higher can cause measurable heating of tissues. Typical RF energy levels encountered by the general public are well below the level needed to cause significant heating, but certain workplace environments near high power RF sources may exceed safe exposure limits. [7]

  5. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    The antennas contained in mobile phones, including smartphones, emit radiofrequency (RF) radiation (non-ionizing "radio waves" such as microwaves); the parts of the head or body nearest to the antenna can absorb this energy and convert it to heat or to synchronised molecular vibrations (the term 'heat', properly applies only to disordered molecular motion).

  6. Radiation protection - Wikipedia

    en.wikipedia.org/wiki/Radiation_protection

    Within these situations, limits are given for certain exposed groups; [10] Planned exposurelimits given for occupational, medical and public exposure. The occupational exposure limit of effective dose is 20 mSv per year, averaged over defined periods of 5 years, with no single year exceeding 50 mSv. The public exposure limit is 1 mSv in a ...

  7. Recommended exposure limit - Wikipedia

    en.wikipedia.org/wiki/Recommended_exposure_limit

    RELs are written as time-weighted average (TWA) exposures. This TWA is calculated for a standard workday of up to 10 hours, over a 40-hour workweek. This is slightly different to permissible exposure limit (PELs), which are calculated for 8 hours over a 40-hour workweek instead. [1]

  8. What Doctors Want Those Over 65 to Know About Getting the ...

    www.aol.com/doctors-want-those-over-65-113000100...

    The CDC released new COVID-19 vaccination guidelines for people 65 and up and those who are immunocompromised: Get two shots. Experts explain.

  9. Occupational exposure limit - Wikipedia

    en.wikipedia.org/wiki/Occupational_exposure_limit

    An occupational exposure limit is an upper limit on the acceptable concentration of a hazardous substance in workplace air for a particular material or class of materials. It is typically set by competent national authorities and enforced by legislation to protect occupational safety and health .

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