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Reference, Questions and Help => Nuke Q&A => Definitions => Topic started by: Rennhack on Nov 23, 2005, 11:55

Title: REM (Roentgen Equivalent Man)
Post by: Rennhack on Nov 23, 2005, 11:55

The rem is a unit used to derive a quantity called equivalent dose. This relates the absorbed dose in human tissue to the effective biological damage of the radiation. Not all radiation has the same biological effect, even for the same amount of absorbed dose. Equivalent dose is often expressed in terms of thousandths of a rem, or millirem. To determine equivalent dose (rem), you multiply absorbed dose (RAD) by a quality factor (Q) that is unique to the of incident radiation.

Title: Re: REM (Roentgen Equivalent Man)
Post by: Rennhack on Nov 25, 2005, 02:03

The acronym for roentgen equivalent man is a standard unit that measures the effects of ionizing radiation on humans. The dose equivalent in rems is equal to the absorbed dose in rads multiplied by the quality factor of the type of radiation (see 10 CFR 20.1004).