Perfect World

Superfund / Massachusetts

NPL Site · EPA Region 1

Silresim Chemical Corp.

Lowell, Middlesex County, Massachusetts

Industry (inferred)Chemical Manufacturing
Industrial chemicals
EPA IDMAD000192393
HRS score42.72
ProposedDecember 30, 1982
ListedSeptember 8, 1983
Construction completeAugust 3, 2011
Deleted

Regulatory timeline

  1. December 30, 1982Proposed for the NPL
  2. September 8, 1983Established on the NPL (final listing)
  3. August 3, 2011Construction 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 3, 2026Projected five-year review (reinspection), cycle 3
  2. August 3, 2031Projected five-year review (reinspection), cycle 4
  3. August 3, 2036Projected five-year review (reinspection), cycle 5

Official EPA records