Specifications include, but are not limited to: procure Architectural and Engineering services to meet its federal and state mandates to conduct cleanup work at contaminated sites throughout the state in accordance with the Architectural, Engineering and Land Surveying Qualifications Based Selection Act (30 ILCS 535). The Agency must conduct oversight and cleanup work for hazardous substances found at sites that present an imminent and substantial threat to human health and the environment. This is a request to procure contracts through the Quality Based Selection Process for the following sites: Soil Gas, Groundwater Monitoring Well and Private Well Sampling in Wedron, Illinois. Interested Offerors must be listed as a prequalified consultant with the Illinois Department of Transportation (http://www.idot.illinois.gov/doing-business/procurements/engineering-architectural-professional-services/index) in the category of Special Services – Hazardous Waste: Advanced at the time of SOI submission.