Perfect World

Superfund / Washington

NPL Site · EPA Region 10

Lockheed West Seattle

Seattle, King County, Washington

Industry (inferred)Defense, Aerospace & Federal
Aerospace & aircraft
EPA IDWAN001002655
HRS score50.00
ProposedSeptember 27, 2006
ListedMarch 7, 2007
Construction completeSeptember 29, 2021
Deleted

Regulatory timeline

  1. September 27, 2006Proposed for the NPL
  2. March 7, 2007Established on the NPL (final listing)
  3. September 29, 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. September 29, 2026Projected five-year review (reinspection), cycle 1
  2. September 29, 2031Projected five-year review (reinspection), cycle 2

Official EPA records