The National Oceanic and Atmospheric Administration (NOAA) intends to negotiate a sole source contract with Mount Wilson Institute for gas sampling tower operation services in Pasadena, California. The procurement aims to secure atmospheric air sampling services from a GML tower-based collection system, leveraging the vendor's established expertise and infrastructure to maintain critical long-term measurement time series essential for NOAA's scientific program. This partnership is vital for ensuring the continuity and integrity of atmospheric data collection, which supports GML's global monitoring efforts. Interested parties may submit documentation to the primary contact, Isabel Vigil, at isabel.vigil@noaa.gov, within 15 days of this notice, although no solicitation package will be available, and the period of performance extends from the date of award to December 31, 2029.