Mather Air Force Base

Regulatory timeline

1. October 15, 1984Proposed for the NPL
2. July 22, 1987Established on the NPL (final listing)
3. September 29, 2009Construction completed

Projected reinspection cycle

CERCLA requires a five-year review while hazards remain on site. These dates are projected from this site's cleanup timeline — they are estimates, not EPA-published dates. Check the site progress profile for the actual review schedule.

1. September 29, 2024Projected five-year review (reinspection), cycle 3
2. September 29, 2029Projected five-year review (reinspection), cycle 4
3. September 29, 2034Projected five-year review (reinspection), cycle 5

Official EPA records