Derived Concentration Guide (DCG)
Derived Concentration Guide (DCG) : The concentration of a radionuclide in air or water that, under conditions of continuous exposure for one year by one exposure mode (i.e., ingestion of water, submersion in air, or inhalation) would result in an effective dose equivalent of 100 mrem or 0.1 rem (1 mSv). DCGs do not consider decay products when the parent radionuclide is the cause of the exposure (DCG values are presented in Chapter III of DOE O 5400.5 Chg 2). (1 rem: 0.01 sievert)
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