This is a firm fixed-price purchase order awarded by the U.S. Environmental Protection Agency's Office of Air and Radiation to X-Ray Optical Systems, Inc. (XOS), a manufacturer of X-ray fluorescence (XRF) analyzers and related equipment. The $109,980.00 contract is for the delivery of a SINDIE Gen 3 MWD-XRF Spectrometer, a critical tool used for rapid, non-destructive elemental analysis of materials. The contract does not have a set-aside designation, indicating XOS's competitive position in this specialized field. XOS, a wholly-owned subsidiary of Danaher Corporation, has provided a diverse array of XRF products and services to various federal agencies, including new equipment purchases and maintenance/repair work. This contract award demonstrates the company's ability to fulfill both small-scale and more substantial federal requirements in fields such as material analysis, quality control, and safety inspections.