The Department of Defense, through the US Army Corps of Engineers-Louisville District, intends to award a sole source contract to Alliant Corporation for a Time-Critical Removal Action (TCRA) addressing per- and polyfluoroalkyl substances (PFAS) at the former Chanute Air Force Base in Champaign, Illinois. This procurement is being conducted under the authority of FAR 16.505(b)(2)(i)(A) and is not open for competitive quotes or proposals; however, interested parties may submit capability statements to demonstrate their qualifications. The work is critical for environmental remediation efforts, particularly in managing hazardous substances that pose risks to public health and the environment. Responses must be submitted within 15 days from the posting date, and inquiries can be directed to Alexa Dukes at alxa.l.dukes@usace.army.mil.