The Department of Defense, specifically the Department of the Army, intends to issue a sole source purchase order for environmental water and sediment sampling, analysis, and reporting services at the McAlester Army Ammunition Plant. The procurement will utilize simplified acquisition procedures, with Green Country Testing identified as the only authorized supplier capable of ensuring consistent data quality and continuity in laboratory methods and equipment for state-required reporting. This specialized service is critical for maintaining compliance with environmental regulations and ensuring the integrity of sampling data. Interested parties may direct inquiries to Andrea Jones at andrea.jones36.civ@army.mil, noting that this notice is not a request for offers and that the government retains discretion over future competitive procurements.