25 locations on the base were identified as needing remediation. The largest of the individual locations is the West Beach Landfill which occupies approximately 110 acres (44.5 ha) in the southwestern corner of the base. Tests of the landfill indicate polychlorinated biphenyl (PCB) contamination. See also Alameda Naval Hospital American Theater (1939–1945) California during World War II List of airports in the San Francisco Bay Area List of United States Navy airfields San Francisco Naval Shipyard United States home front during World War II Notes USS Hornet history References Alameda Naval Air Museum Historic Posts: Naval Air Station, Alameda Globalsecurity.org's history of Alameda Point External links Abandoned & Little-Known Airfields: NAS Alameda Alameda, Naval Air Station Buildings and structures in Alameda, California Alameda Alameda Military Superfund sites Military installations closed in 1997 History of Alameda County, California Superfund sites in California Military facilities in the San Francisco Bay Area National Register of Historic Places in Alameda County, California World War II on the National Register of Historic Places in California Transportation buildings and structures in Alameda County, California Closed installations of the United States Navy