Perfect World

Superfund / Delaware

NPL Site · EPA Region 3

Halby Chemical Co.

New Castle, New Castle County, Delaware

Industry (inferred)Chemical Manufacturing
Industrial chemicals
EPA IDDED980830954
HRS score30.90
ProposedSeptember 18, 1985
ListedJune 10, 1986
Construction completeApril 22, 2002
Deleted

Regulatory timeline

  1. September 18, 1985Proposed for the NPL
  2. June 10, 1986Established on the NPL (final listing)
  3. April 22, 2002Construction 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. April 22, 2022Projected five-year review (reinspection), cycle 4
  2. April 22, 2027Projected five-year review (reinspection), cycle 5
  3. April 22, 2032Projected five-year review (reinspection), cycle 6

Official EPA records