U.S. EPA Region 7 awarded WAI this three year IDIQ contract for remediation of the Operable Unit (OU) 3 Residential Soils and OU4 Conrad Tailings Site at the Madison County Mines Superfund Site (MCMSS). The site is located in the Old Lead Belt of Southeast Missouri, where mining operations over nearly two and a half centuries caused lead contamination. As the leader on this important remediation project, WAI’s team is responsible for project management, pre- and post-excavation planning and closeout activities, excavation, sample collection, and community involvement and communication.