Perfect World

Superfund / California

NPL Site · EPA Region 9

Intersil Inc./Siemens Components

Cupertino, Santa Clara County, California

Industry (inferred)Uncategorized
EPA IDCAD041472341
HRS score28.90
ProposedJune 24, 1988
ListedAugust 30, 1990
Construction completeSeptember 8, 1992
Deleted

Regulatory timeline

  1. June 24, 1988Proposed for the NPL
  2. August 30, 1990Established on the NPL (final listing)
  3. September 8, 1992Construction 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 8, 2022Projected five-year review (reinspection), cycle 6
  2. September 8, 2027Projected five-year review (reinspection), cycle 7
  3. September 8, 2032Projected five-year review (reinspection), cycle 8

Official EPA records