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El Toro Marine remediation sees 1,900 acres delisted

The former EL Toro Marine Corps Air Station in Irvine, California has been remediated enough to be removed from the Superfund list, according to the U.S. Environmental Protection Agency.


The former EL Toro Marine Corps Air Station in Irvine, California has been remediated enough to be removed from the Superfund list, according to the U.S. Environmental Protection Agency.

The EPA has deleted more than 1,900 acres of the site from the National Priorities List of Superfund sites. Hazardous wastes at this major portion of the site were cleaned up through activities that included soil sampling and excavation. To date, the Navy has spent approximately $165 million on the cleanup, and anticipates that the remaining work will cost an additional $50 million.

Military operations at the site contaminated the groundwater with volatile organic compounds such as trichloroethylene, and soil contamination included polychlorinated biphenyls (PCBs). The EPA determined that all environmental impacts at a total of 112 locations were thoroughly investigated and the appropriate cleanup actions were taken to protect human health and the environment. 


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