Prompt Gamma-ray Neutron Activation Analysis (PGNAA) is an extremely useful tool for identifying the presence of various chemical or isotopic compo…
Office of NEPA Policy and Compliance
February 4, 2021
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Prompt Gamma-ray Neutron Activation Analysis (PGNAA) is an extremely useful tool for identifying the presence of various chemical or isotopic compounds concealed within thick-walled containers, made possible by the highly penetrating nature of the fast neutrons used to induce activity.