natural radiation


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Related to natural radiation: Natural radioactivity

natural radiation

[′nach·rəl ‚rād·ē′ā·shən]
(nucleonics)
References in periodicals archive ?
Natural Radiation Environment, Proceedings of International Symposium on Natural Radiation Environment Bombay(1993).
I wanted to take natural radiation out of the directive completely but we now have the next best thing, leaving it up to member states to decide whether they legislate or not.
The technique developed in Wales is based on the phenomenon that, once buried, grains of sand are exposed to natural radiation, part of which is retained.
They came to the conclusion that the conditions of competitions can, at least partially (concerning shallow traps), be approximated by natural radiation and laboratory radiation at higher temperatures.
Stage 3: Removing all materials whose radioactivity levels exceed the natural radiation environment (unless the site, equipment or buildings are to be reused for other nuclear purposes).
This information, combined with a measure of the natural radiation surrounding the quartz, indicates how long ago the sediments were deposited.
According to Geise, the amount of man-made radiation to which the average American is exposed in one year, including medical care, is less than one-fifth the amount of natural radiation exposure.
That's a little more than natural radiation background,'' said Clay Easterly, leader of the health effects group at the U.
with the exception of three materials most apt to fail--acetal, polypropylene (natural and unstabilized), and PTFE--have a natural radiation tolerance.
Much of the misinformation starts with the American Cancer Society, which states that the radiation exposure level to one breast (an average of 1 rad) is "low level, like natural radiation in our environment.
The average British exposure from natural radiation is 0.

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