U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Public safety

Chemical / Biological / Radiological / Nuclear / Explosives (CBRNE)

News and Updates

Events

Projects and Programs

Aerodynamic Flow Visualization

Ongoing
Other videos: How Well Do Masks Work? (Schlieren Imaging In Slow Motion!) 3 Ways Of Seeing Invisible Air Flow (Veritasium) The Air You Share | All in This Together Publications "Filter Inserts Impact Cloth Mask Performance against Nano- to Micro-Sized Particles" James G. Radney, Jamie L. Weaver

Ambient and Atmospheric Pressure Mass Spectrometry

Ongoing
Surface and Trace Chemical Analysis Group employs a range of commercial pneumatically-assisted electrospray ionization (ESI), atmospheric pressure chemical ionization (APCI), and atmospheric pressure photoionization (APPI) sources for traditional mass spectrometric chemical analysis, identification
X-ray Security-Screening

Documentary Standards: X-ray Security Screening Applications

Ongoing
This work fills well-documented gaps in transportation security, which have been highlighted in Executive and Legislative requirements for 100 % screening of baggage, cargo, and airline passengers. This is accomplished through a corpus of new standards, test methods, test artifacts, dosimetry

Illicit Narcotics Detection

Ongoing
“Method for evaluating ion mobility spectrometers for trace detection of fentanyl and fentanyl-related substances”, Jennifer R Verkouteren, Jeffrey Lawrence, R Michael Verkouteren and Edward Sisco, Analytical Methods, 11(47), 6043-6052 (2019). “Discriminative potential of ion mobility spectrometry

Publications

Tools and Instruments

X-ray backscatter systems

X-ray Backscatter Systems

X-ray backscatter systems are used for the screening of personnel for hidden weapons and other contraband. Unlike conventional radiographic x-ray systems
Smiths Detection_6046si

Cabinet x-ray system

The Smiths Detection 6046si cabinet x-ray system was designed for security screening of bags, parcels and other objects of similar size. The system runs at 160
Was this page helpful?