Moss American Co., Inc. (Moss American) is a Superfund site with significant investigation and remediation conducted in the recent past and scheduled for the future. The most recent work included ongoing groundwater monitoring but also soil sampling to determine the source of persistently elevated naphthalene concentrations (with overlying free product) in groundwater around monitoring well PZ-03. These additional investigation activities revealed that additional soil remediation is needed at the site. The Summary Report of Supplemental Site Investigation PZ03 Area (Attachment 3) report dated May 3, 2022 summarized the results of additional investigation activities and recommended the excavation, partial treatment and eventual off-site disposal of approximately 3,500 tons of creosote-impacted soil from the areas of monitoring wells PZ-03E and PZ-03H and
groundwater remediation using aerobic microbes. The recommendations were the basis for EPA's May 2024 Explanation of Significant Differences (ESD) decision document (Attachment 4) and this Request for Qualifications (RFQ). Based upon responses to this RFQ and a subsequent Request for Proposals (RFP), The Wisconsin Dept of Natural Resources (DNR) will select and contract with a consultant to prepare a detailed Remedial Design (RD) and subsequent bid specifications of the work described herein.
Background
The Moss-American Co., Inc. (Kerr-McGee Oil Co.) Superfund Site is located in Milwaukee, WI, and has undergone significant investigation and remediation efforts in the past. The site has been subject to ongoing groundwater monitoring and soil sampling to address elevated naphthalene concentrations in groundwater. Recent investigations have indicated the need for additional soil remediation, leading to recommendations for excavation and treatment of approximately 3,500 tons of creosote-impacted soil.
The Wisconsin Department of Natural Resources (DNR) is seeking a consultant to prepare a detailed Remedial Design (RD) and bid specifications based on these findings.
Work Details
The consultant will be responsible for:
1. Preparing a detailed Remedial Design (RD) for the excavation and treatment of approximately 3,500 tons of creosote-impacted soil from areas around monitoring wells PZ-03E and PZ-03H.
2. Developing bid specifications for the work described in the RD.
3. Conducting groundwater remediation using aerobic microbes as part of the overall remediation strategy.
4. Ensuring compliance with all relevant environmental regulations and standards throughout the project.
Period of Performance
The contract will commence upon signing and will follow a schedule developed in the proposal. All performance must be completed to the satisfaction of the Department.
Place of Performance
The work will be performed at the Moss-American Superfund Site located at 8716 N. Granville Road, Milwaukee, Wisconsin.
