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Official Description

This app provides an easy and fast way to look up Derived Air Concentration (DAC) and Annual Limit on Intake (ALI) published in USNRC 10CFR20 and 10CFR835. Derived Air Concentrations (DACs) are displayed in both conventional units and SI units. Displayed Annual Limit on Intakes (ALI) from 10CFR20 include ingestion and inhalation ALIs. The total radio-nuclide number (include multiple forms) is 835.