Moss-American Co., Inc. (Kerr-McGee Oil Co.) Superfund Site, Milwaukee, WI Remedial Design and Bid Specifications.

Moss American Co., Inc., located at the Superfund site in Milwaukee, Wisconsin, has undergone extensive investigation and remediation efforts to address environmental contamination, particularly concerning elevated naphthalene levels and creosote-impacted soil around monitoring well PZ-03. Recent activities included groundwater monitoring and soil sampling, which identified the need for further soil remediation involving excavation, partial treatment, and off-site disposal of approximately 3,500 tons of contaminated soil. Groundwater remediation efforts also involve the use of aerobic microbes. These findings and recommendations are documented in the Supplemental Site Investigation report from May 2022 and the EPA’s May 2024 Explanation of Significant Differences, guiding the current project scope. The Wisconsin Department of Natural Resources is seeking qualified consultants through a solicitation (number 25-488-41) to develop detailed remedial design and bid specifications for the site’s cleanup. The contract, with an estimated value between 5 and 10 million dollars, aims to facilitate the next phase of remediation work, ensuring compliance with environmental standards. Responses to the Request for Qualifications (RFQ) and subsequent proposals will determine the selected contractor, with the project managed by the Wisconsin DNR. The solicitation response deadline is February 7, 2025, and interested parties can find more information through the provided contact and online links.