The Environmental Protection Agency (EPA) is announcing a presolicitation for the procurement of Mantis Flare Monitors, specifically two Mantis Flare Monitors with associated imaging spectrometers and field kits, as well as two Mantis Lite Flare Monitors with their respective field kits. This acquisition is critical for enhancing the agency's capabilities in environmental monitoring and research, particularly in the realm of general science and technology R&D services. The notice of intent to sole source, originally identified as 68HERH25R0004, has been replaced by 68HERH25R0007, which will close by the original deadline of February 3, 2025, at 4:30 PM. Interested parties can reach out to Patrick Finney at finney.patrick@epa.gov or call (202) 250-8751 for further information.