The U.S. Fish and Wildlife Service intends to award a sole source contract to Jeol Solutions for Innovation for maintenance, repair, and upgrades of the DART TOF MS system, as they hold the proprietary license and necessary expertise. This is not a competitive solicitation, but interested parties may submit product information and capabilities statements by June 29, 2026, at 5 PM ET. The estimated award date is June 29, 2026. Performance of services will be at the FWS Clark R Bavin National Fish and Wildlife Refuge. No budget amount is specified.