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Background radiation: Radiation that comes from environmental sources including the earth's crust, the atmosphere, cosmic rays, and radioisotopes. Natural sources of radiation account for the largest amount of radiation exposure received by most people each year with medical and occupational sources accounting for only a fraction of that exposure. It is currently believed that radon, a gas produced by radium decay within rock, constitutes the major source of background radiation throughout many parts of the US. The buildup of radon in inadequately ventilated homes may pose a long-term health hazard. The deleterious effects of background radiation, estimated as causing 1-6% of spontaneous genetic mutation, rise with dose.
The radiation in humans' natural environment, including cosmic rays and radiation from the naturally radioactive elements. Also known as natural radiation. ( physics ...
Background Radioactivity. Background radiation varies over a range of concentrations and exposure rates from a variety of causes. The magnitude of variation can be ...
Open Source Radiation Safety Training. Module 2: Background Radiation & Other Sources of Exposure . This module provides information about the following ...
In every direction, there is a very low energy and very uniform radiation that we see filling the Universe. This is called the 3 Degree Kelvin Background Radiation, or ...
Brief and Straightforward Guide: What Is Background Radiation? ... We would love to know what you think! Please let us know if you have any comments or questions ...