Testing PLOT-cryo (1 of 2) (IMAGE)

National Institute of Standards and Technology (NIST)

Testing PLOT-cryo (1 of 2)

Caption

NIST chemist Megan Harries tests whether a portable, high-tech sniffing device called a PLOT-cryo system can be used to screen shipping containers for dangerous airborne chemicals at ports of entry. For this test, which was performed at the NIST campus in Boulder, Colo., Harries used an old US Army communications bunker as a stand-in for a shipping container.

Credit

Image courtesy of Megan Harries

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