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Programs and Projects

National and International Standards for X-ray Security Screening Applications

The primary objective of this project is to assure the technical performance and radiation safety of the nation’s x-ray and gamma-ray … more

Advanced X-ray Systems for the Detection of Special Nuclear Materials

The Dosimetry Group provides support to the Domestic Nuclear Detection Office (DNDO) of the Department of Homeland Security (DHS) for their … more

Comparison of ANSI N42.46 and IEC 62523 Standards for Cargo and Vehicle Screening

We are undertaking a comparison of the relative performance of ANSI N42.46 and IEC 62523 consensus standards for x-ray cargo and vehicle screening. more

Testing of Radiation Detection Systems

NIST is working together with the Department of Homeland Security (DHS) Domestic Nuclear Detection Office (DNDO) in testing radiation detection … more

Metrology and Standards for Canine Olfactory Detection of Explosives

As part of a multi-year interagency agreement between the Office of Standards of the Department of Homeland Security and NIST, NIST is developing … more

Determination of Traces of Fissionable Materials Using Delayed Neutron Activation Analysis

Detecting clandestine fissile material like 235 U and 239 Pu is technically challenging in the lab or in the field because it emits little … more

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