The 48th Civil Engineering Squadron Fire & Emergency Services (48 CES/CEF) requires the procurement of five (5) commercial-off-the-shelf (COTS) handheld multi-gas detectors with integrated Photoioniza... The 48th Civil Engineering Squadron Fire & Emergency Services (48 CES/CEF) requires the procurement of five (5) commercial-off-the-shelf (COTS) handheld multi-gas detectors with integrated Photoionization Detectors (PID), alongside three (3) compatible automated calibration docking stations and associated charging/gas hardware. The Gas Detectors must fit the needs decribed in the Salient Characteristics attached below.