Teledyne Wah Chang

⚠ Superfund · Construction complete

EPA divided the site into three areas, referred to as operable units, or OUs. OU-1 addresses the sludge ponds. OU-2 addresses groundwater and sediment. OU-3 addresses soil.

Location

CityAlbany
CountyLinn County
StateOregon
Coordinates44.66000, -123.06330

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 09/15/1982
  2. Proposed to the National Priorities List — 12/30/1982
  3. Finalized on the National Priorities List — 09/08/1983
  4. Remedial Investigation Started — 05/05/1987
  5. Remedy Selected — 12/28/1989
  6. Final Remedy Selected — 09/27/1995
  7. Remedial Action Started — 07/12/1991
  8. Final Remedial Action Started — 08/29/2022
  9. Construction Completed — 09/13/2002
  10. Deleted from National Priorities List — Not Yet Achieved

EPA references

EPA-regulated facilities nearby

Understanding this Superfund site

Teledyne Wah Chang is a federal Superfund site in Oregon. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.

Current status: Construction complete. Physical construction of the cleanup remedy is complete, though long-term monitoring and institutional controls typically continue for years or decades. Groundwater treatment systems, for example, often run long after surface cleanup finishes.

EPA has identified 10 contaminants of concern at this site, including 1,1,1-trichloroethane, 1,1,2,2-tetrachloroethane, 1,1,2-trichloroethane. Contamination has been detected in sludge, groundwater, soil, sediment.

If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.