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millirem

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.01 sec.
millirem (mrem),
a unit of ionizing radiation dose equal to one thousandth (10-3) of a rem. See also rem.

millirem (mrem) [mil´ĭ-rem]
one thousandth (10−3) of a rem.


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To get an idea of how much a millirem is, a set of dental X-rays creates a dose of about 40 millirems, and an airplane trip across the country creates a dose of about 5 millirems.
Nuclear Regulatory Commission, "detailed studies of the radiological consequences of the accident have been conducted by the NRC, the Environmental Protection Agency, the Department of Health, Education and Welfare (now Health and Human Services), the Department of Energy, and the State of Pennsylvania," and "several independent studies have also been conducted" that showed "the average dose to about 2 million people in the area was only about 1 millirem.
Estimates of the radiation exposure in the United Kingdom due to all these sources (in millirem per year) are 186 mrem for natural radiations, including 50 mrem for radon, and 53 mrem for man-made irradiation, nearly all due to medical treatment and diagnosis.
 
 
 
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