National Semiconductor Corp.

Superfund site in Santa Clara, CA · EPA ID CAD041472986

National Semiconductor Corp. is a Superfund site in Santa Clara, CA on the EPA National Priorities List (Currently on the Final NPL). Contaminants of concern include 1,1,1-TRICHLOROETHANE, 1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE, 1,1-DICHLOROETHENE, 1,2-DICHLOROETHANE. The EPA reports insufficient data to determine whether human exposure is under control at National Semiconductor Corp..

EPA status

National Priorities List
Currently on the Final NPL
Human exposure under control
Insufficient Data
Groundwater migration under control
Yes
Construction complete
Yes
Sitewide ready for reuse
No
Federal facility
No
EPA region
09
County
Santa Clara

Contaminants of concern

Grouped by the environmental medium in which the EPA recorded them.

Groundwater

  • 1,1,1-Trichloroethane
  • 1,1,2-Trichloro-1,2,2-Trifluoroethane
  • 1,1-Dichloroethene
  • 1,2-Dichloroethane
  • 1,2-Dichloroethene (Cis And Trans Mixture)
  • 1,4-Dichlorobenzene
  • 2,4-Dimethylphenol
  • 2,4-Dinitrophenol
  • 4-Chloro-3-Methylphenol
  • Benzene
  • Chlorobenzene
  • Chloroethene (Vinyl Chloride)
  • Chloroform
  • Chloromethane
  • Cis-1,2-Dichloroethene
  • Ethylbenzene
  • Pentachlorophenol
  • Phenol
  • Tetrachloroethene
  • Toluene
  • Trans-1,2-Dichloroethene
  • Trichloroethane (Mixed Isomers)
  • Trichloroethene
  • Xylene (Mixed Isomers)

Soil

  • 1,1,1-Trichloroethane
  • 1,1,2-Trichloro-1,2,2-Trifluoroethane
  • 1,1-Dichloroethane
  • 1,1-Dichloroethene
  • 1,2-Dichlorobenzene
  • 1,2-Dichloroethene (Cis And Trans Mixture)
  • Acetone
  • Benzene
  • Cis-1,2-Dichloroethene
  • Ethylbenzene
  • Pentachlorophenol
  • Phenol
  • Tetrachloroethene
  • Toluene
  • Trichloroethane (Mixed Isomers)
  • Trichloroethene
  • Xylene (Mixed Isomers)

Location

2900 SEMICONDUCTOR AVE, Santa Clara, CA 95050

Latitude 37.375281, longitude -121.9989

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