Koppers Co., Inc. (Texarkana Plant)

Regulatory timeline

1. October 15, 1984Proposed for the NPL
2. June 10, 1986Established on the NPL (final listing)
3. August 20, 2002Construction 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. August 20, 2022Projected five-year review (reinspection), cycle 4
2. August 20, 2027Projected five-year review (reinspection), cycle 5
3. August 20, 2032Projected five-year review (reinspection), cycle 6

Official EPA records