Superfund Site Profile
The El Toro Marine Corps Air Station covers about 4,700 acres. Commissioned in 1943, it supported the Fleet Marine Forces in the Pacific Ocean, serving as the major west coast jet fighter facility. A total of 25 potentially contaminated areas were identified on the Air Station, including four landfills suspected of containing both hazardous and solid waste, and other areas where polychlorinated biphenyls (PCBs), battery acids, leaded fuels and other hazardous substances were suspected of being dumped or spilled. Site investigations and long-term cleanup activities and monitoring are ongoing.
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