The U.S. Geological Survey (USGS) is seeking qualified businesses to provide mini spectrometers, as outlined in the attached specifications, for market research purposes. The procurement aims to identify vendors capable of supplying spectrometers necessary for operational scanning UV spectroscopy, particularly for analyzing sulfur dioxide (SO2) and halogen oxides, which are critical for environmental monitoring and industrial emission control. Interested parties are invited to submit brochures and technical specifications that detail how their offerings meet or exceed the required features, with responses due by January 14, 2026, at 5:00 PM Pacific Daylight Time. All submissions must be sent electronically to Tracy Huot at thuot@usgs.gov, as hardcopy responses will not be accepted.