The U.S. Army Corps of Engineers, St. Louis District, is seeking capable businesses to perform Hazardous, Toxic and Radioactive Waste environmental remediation services for USACE and its federal customers. The contract will include service and construction activities supporting DERP, Superfund, DoD Environmental Quality Program, Brownfields, FUSRAP, and related environmental and homeland security requirements. Work may support military installations, USACE civil works projects, and other federal agencies. This Sources Sought is for informational, market research, and planning purposes only and does not constitute or promise a future solicitation.