Cabot/Koppers

Regulatory timeline

1. September 8, 1983Proposed for the NPL
2. September 21, 1984Established on the NPL (final listing)

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 21, 2024Projected five-year review (reinspection), cycle 8
2. September 21, 2029Projected five-year review (reinspection), cycle 9
3. September 21, 2034Projected five-year review (reinspection), cycle 10

Official EPA records