Friday, February 28, 2020

EPA requires work on isolation barrier system at Missouri’s West Lake Landfill Site

Bridgeton Landfill, in Bridgeton, Missouri, and the Environmental Protection Agency (EPA) recently finalized an Administrative Settlement Agreement and Order on Consent that will see the company immediately begin work on components of the West Lake Landfill Site’s isolation barrier system.

The settlement requires Bridgeton Landfill to install a Heat Extraction System in the North Quarry portion of the site, as well as develop an inert-gas injection system. The company will also install an ethylene vinyl alcohol copolymer (EVOH) cover on the North Quarry, install two sulfur dioxide (SO2) air monitors and install subsurface temperature monitoring probes, which will help monitor any potential subsurface reactions in that portion of the landfill.

The EPA, which announced that it would require an isolation barrier system in December 2015, is working on this enforcement action with the Missouri Department of Natural Resources. The agency is still ironing out the technical and legal requirements for the other portions of the isolation barrier system.

“EPA has valued the state of Missouri’s efforts to manage their portion of the site,” EPA Region 7 Administrator Mark Hague said. “We believe this settlement will initiate needed actions in the North Quarry, while the state continues its efforts to require Bridgeton Landfill to address the ongoing subsurface reaction.”


Organizations in this Story

EPA Region 7 (Midwest) U.S. Environmental Protection Agency (EPA)

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