Northrop Grumman Systems Corporation

Robert Milloy

Kenneth J Ewing

Danielle N Dickinson

Michael R Bracken

One embodiment of the invention includes an automated system for collecting analyte. The system comprises a screen supply cartridge for holding a stack of clean tabs including sorbent coated screens (SCS) residing in SCS channels. The stack of tabs are arranged such that SCS tabs directly above and/or below a given SCS tab include SCS channels offset from the SCS channel of the given tab to isolate the SCS channels from one another and the environment. The system includes an air source that provides an analyte to be adsorbed by an SCS channel of a respective tab at a sampling region and a linear actuator that moves a given clean tab into the sampling region for exposing the SCS channel of the given clean tab to the analyte and providing a given exposed tab.

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Baltimore, MD, United States of America

Robert Milloy