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Radiation Protection

What is a Derived Concentration Guideline Level (DCGL)?

The Derived Concentration Guideline Level (DCGL) is a radionuclide-specific surface or volume residual radioactivity level that is related to a concentration or dose or risk criterion. The regulator usually determines this criterion.

For more information on the MARSSIM process, visit Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM).

Return to Frequent Questions about Radiation Regulations, Guidance and Compliance.