The Department of Defense, specifically the Department of the Air Force, is seeking small businesses to express their interest and capabilities for an Optimized Remediation Contract (ORC) focused on environmental remediation activities at Air Force Plant 4 in Fort Worth, Texas. The contract will encompass a range of services including site investigation, design, construction of remedial systems, operation and maintenance of established remedies, and optimization to meet site-specific performance objectives at 24 Installation Restoration Program sites. This sources sought notice is intended for informational purposes only and does not constitute a solicitation or commitment by the government; responses are voluntary and will not influence future contract considerations. Interested parties should submit their responses or inquiries to Contract Specialist Kevin Cockerill at kevin.cockerill.2@us.af.mil and copy Contracting Officer Christopher Keyes at christopher.keyes.2@us.af.mil by 5 PM CDT on October 16, 2024.