The U.S. Department of Agriculture (USDA), through its Agricultural Research Service (ARS), is seeking qualified small businesses to provide Palltronic AquaWIT IV Recalibration Services at the National Bio and Agro-Defense Facility (NBAF) in Manhattan, Kansas. The procurement aims to ensure the operational performance of the AquaWIT IV testing cart through annual service, recalibration, and technical support, with a contract term starting November 1, 2024, and extending for one year, with four optional extensions. This service is critical for maintaining laboratory integrity and safety standards at a Bio Safety Level 4 facility. Interested parties must submit a capabilities statement and relevant organizational information to Laura Nessa at laura.nessa@usda.gov, with no obligation for the government to award a contract based on the responses received.