U.S. EPA Contaminated Site Cleanup Information (CLU-IN)

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U.S. Environmental Protection Agency News Release, 5 Apr 2019

U.S. EPA Region 7 announced that it has completed the Remedial Action phase for Operable Unit 2 at the Cleburn Street Well Superfund Site in Grand Island, Nebraska. EPA used a thermal treatment system at the site to address soil and groundwater contaminated with TCE, PCE, and petroleum hydrocarbons. Heating mobilized the contaminants, which were collected through an extraction system for safe disposal. Post-cleanup sampling of soil and groundwater confirmed that thermal treatment removed >99% of the contaminants in just six months. Thermal treatment of contamination at the site allowed EPA to address the source area without the need for extensive excavation, which would have resulted in long-term disruption of traffic on a popular road. Additional benefits of thermal treatment included greater energy efficiency, lower long-term cost, and the ability to address NAPL at the site. https://www.epa.gov/newsreleases/cleanup-complete-cleburn-street-well-superfund-site-grand-island-nebraska See more about the technologies used in the cleanup of this site in the Fourth Five-Year Review report (2018) at https://semspub.epa.gov/src/document/07/30353277.

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