Perfect World

Superfund / California

NPL Site · EPA Region 9

Montrose Chemical Corp.

Torrance, Los Angeles County, California

Industry (inferred)Chemical Manufacturing
Pesticides & agricultural chemicals
EPA IDCAD008242711
HRS score32.10
ProposedOctober 15, 1984
ListedOctober 4, 1989
Construction complete
Deleted

Regulatory timeline

  1. October 15, 1984Proposed for the NPL
  2. October 4, 1989Established on the NPL (final listing)

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. October 4, 2024Projected five-year review (reinspection), cycle 7
  2. October 4, 2029Projected five-year review (reinspection), cycle 8
  3. October 4, 2034Projected five-year review (reinspection), cycle 9

Official EPA records