The Department of the Interior's Office of Surface Mining Reclamation and Enforcement (OSMRE) intends to award a sole source purchase order to In-Situ for two Aqua TROLL 700 Water Quality Sonde Instruments. This procurement aims to acquire specialized instruments capable of measuring and storing critical water quality parameters, including pressure, temperature, and dissolved oxygen, across various environmental conditions, fulfilling OSMRE's unique operational requirements. The Aqua TROLL 700 is recognized as the only instrument that meets these specifications following extensive market research, underscoring its importance for precise and comprehensive water quality monitoring in compliance with federal standards. Interested vendors must submit capability statements to Susan Adams at sadams@osmre.gov by 11:00 AM EDT on September 12, 2024, and must be registered in the System for Award Management (SAM) to be eligible for contract award.