Perfect World

Superfund / Texas

NPL Site · EPA Region 6

Crystal Chemical Co.

Houston, Harris County, Texas

Industry (inferred)Chemical Manufacturing
Industrial chemicals
EPA IDTXD990707010
HRS score60.90
ProposedDecember 30, 1982
ListedSeptember 8, 1983
Construction completeOctober 2, 2003
Deleted

Regulatory timeline

  1. December 30, 1982Proposed for the NPL
  2. September 8, 1983Established on the NPL (final listing)
  3. October 2, 2003Construction 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. October 2, 2023Projected five-year review (reinspection), cycle 4
  2. October 2, 2028Projected five-year review (reinspection), cycle 5
  3. October 2, 2033Projected five-year review (reinspection), cycle 6

Official EPA records