SWMU 7 – Tow Way Road Fuel Farm

The TWFF is an area affected by releases from numerous large, partially in-ground, concrete fuel storage tanks. The fuel storage tanks date from the 1940s. Over the years, spills have occurred and tanks have leaked. During the IR Round 1 (1986), groundwater monitoring wells were installed. Sampling of these wells found benzene above the MCL for drinking water, and a free product layer underground.

A full RFI of soil and groundwater was required by the permit and was completed. Provisions were made for investigations of surface water and sediment based on the results of the initial RFI work. A free product recovery system is operating at the site as an Interim Corrective Measure (ICM), designed to stop the free product from spreading.

A pilot study to oxidize petroleum constituents in soil (below the water table) and groundwater was initiated at the site. A report covering the product recovery activities was submitted in October 2000.

Status

• A Draft Work Plan for Additional Data Collection was submitted in January 2001.
• EPA is currently reviewing the Work Plan.
• The Final Work Plan for Additional Data Collection of TWFF and Draft Work Plan for Ecological Risk Assessment submitted on September 2001.
• The Final CMS Final Report for the TWFF submitted in August 2005.
• A Revised Final CMS Final Report was submitted November 2005, and approved by the EPA in February 2006.
• The Statement of Basis for the Tow Way Fuel Farm (SWMUs 7/8) was submitted to EPA on April 11, 2006.
• The RCRA 7003 Administrative Order on Consent recommends the implementation of the Revised Final CMS Work Plan for SWMU 7.
• The Final Field Sampling and Analysis Plan for TWFF submitted on April 14, 2009.