Perfect World

Superfund / Ohio

NPL Site · EPA Region 5

Nease Chemical

Salem, Columbiana County, Ohio

Industry (inferred)Chemical Manufacturing
Industrial chemicals
EPA IDOHD980610018
HRS score47.19
ProposedDecember 30, 1982
ListedSeptember 8, 1983
Construction completeDecember 6, 2021
Deleted

Regulatory timeline

  1. December 30, 1982Proposed for the NPL
  2. September 8, 1983Established on the NPL (final listing)
  3. December 6, 2021Construction 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. December 6, 2026Projected five-year review (reinspection), cycle 1
  2. December 6, 2031Projected five-year review (reinspection), cycle 2

Official EPA records