Radiation and CBCT
Radiation and CBCT
Radiation and CBCT
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environmental radiation<br />
american Nuclear society July 2010<br />
Cosmic radation at sea level 62 (mrems).<br />
Elevation above sea level add 2, 5, 9, 15, 21, 29,<br />
40, 53, 70 (mrems) for each 1000 additional feet.<br />
Atlantic Coasts add 16 (mrems).<br />
Colorado Plateau Area (Denver) 63 (mrems).<br />
Stone, Brick or Concrete Building 7 (mrems).<br />
From food , water <strong>and</strong> air 268 (mrem).
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