The United States Department of the Navy (Navy), as the lead agency, has completed the Fourth Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) Five-Year Review (FYR) for Installation Restoration Program (IRP) Sites 1, 2, 3, 5, 16, 17, 18, and 24 and Anomaly Area 3 at Former Marine Corps Air Station (MCAS) El Toro, Irvine, California. Former MCAS El Toro is located approximately 8 miles southeast of Santa Ana and 12 miles northeast of Laguna Beach. The Navy conducted the FYR in accordance with the requirements of CERCLA Section 121(c) to determine whether the remedies are being implemented in accordance with the Final Records of Decision and continue to remain protective of human health and the environment. The remedies at IRP Sites 1, 2, 5, 16, 17, 18, and Anomaly Area 3 remain protective of human health and the environment. The remedies at IRP Sites 3 and 24 were found to be protective in the short-term, and the review recommended actions to ensure they will be protective in the long term.
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