This project included the following objectives:
¡ Identify and prioritize chemical agents that could be threats to subway systems;
¡ Identify mechanisms for delivering selected threats to rolling stock, stations, tunnels, passenger entry and exit points, ventilation points, etc.;
¡ Define initial ESI collector-detector system parameters using estimates of the threat, delivery mechanisms, airflow patterns, telemetry, and transmission information;
¡ Design a proof-of-concept demonstrator ESI collector-detector system;
¡ Perform laboratory controlled tests of the ESI proof-of-concept design;
¡ Identify design changes subsequent to initial testing; and
¡ Prepare and deliver a report of the results.
The project analytically verified the principals of operation and performance.