The Air Force is seeking a contractor to perform Stage 1 Vapor Balance System testing for six existing Underground Storage Tanks at Scott Air Force Base. The work must comply with specific IL EPA and federal regulations. The tanks include four 12,000-gallon fiberglass tanks and two 10,000-gallon steel tanks with fiberglass secondary containment. Responses from interested parties are due by April 15, 2026. The location for service performance is Scott Air Force Base.