In accordance with the requirements of CERCLA, the Five-Year Review evaluates whether the performance of the remedies detailed in the Record of Decision (ROD) documents for the subject OUs remain protective of human health and the environment.

The United States Department of the Navy (Navy), in coordination with state environmental regulatory agencies, is currently conducting a Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) Five-Year Review (FYR) for Operable Units (OUs) 1A, 1B, 3, and 4B at Former Marine Corps Air Station (MCAS) Tustin, Tustin, California. Former MCAS Tustin is located approximately 40 miles southeast of Los Angeles. The Navy is conducting the FYR in accordance with the requirements of CERCLA Section 121(c) to determine whether the remedies being implemented in accordance with the Final Records of Decision (RODs) continue to remain protective of human health and the environment. 

Related Documents:
Fourth CERCLA 5 Year Review Factsheet