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(Created page with "A mass of absorbing material placed around a reactor or radioactive source to reduce the radiation to a level safe for humans. Source: U.S. Nuclear Regulatory Commission")
 
 
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Source: U.S. Nuclear Regulatory Commission
 
Source: U.S. Nuclear Regulatory Commission
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[[Category: Chemistry]]

Latest revision as of 11:39, 29 May 2019

A mass of absorbing material placed around a reactor or radioactive source to reduce the radiation to a level safe for humans.

Source: U.S. Nuclear Regulatory Commission