This solicitation covers the purchase and delivery of proprietary, brand-name Teledyne Falcon Gas Chromatograph (GC) components and engineering enhancements for the SAMARS Phase 3 Part 2 effort at Dugway Proving Ground. Items include customized column assemblies, trap modules, FPD optical filters, preconcentrator tubes, detector assemblies, and spares, which are not commercially interchangeable. The government intends to negotiate on a sole-source basis with Teledyne Instruments, Inc. in City of Industry, California. The award will be a firm-fixed-price contract under FAR Part 12 procedures for commercial products and services at or below the simplified acquisition threshold. Performance and delivery are associated with Dugway Proving Ground, but no specific delivery timeline or budget amount is stated.