raytheon corp.

350 ELLIS ST

Raytheon Company. formerly operated as a semiconductor products manufacturer at 350 Ellis Street on this 30-acre property in Mountain View, California. The Raytheon site is one of three Superfund or National Priorities List (NPL) sites that are being cleaned up simultaneously. The other two Superfund sites are the Fairchild Semiconductor Corp - Mountain View site and the Intel - Mountain View site. All three sites are located in the Middlefield-Ellis-Whisman (MEW) Study Area and are being addressed collectively as the MEW SIte. Site investigations at several of these facilities during 1981 and 1982 revealed extensive soil and groundwater contamination, primarily volatile organic compounds (VOCs). The primary causes of the contamination were leaking storage tanks and lines and poor facility management practices.

Hazardous Ranking Score

30 / 100

A score of 28.5 or higher qualifies a site for the Superfund National Priority List.

Regional Contact

Region 9
Phone: (415) 947-4251

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Timeline

Discovery
Site Inspection
Preliminary Assessment
Final Listing On NPL
Removal

Contaminants & Health Effects

      Carcinogen
      Endocrine Disrupter
      Neurotoxic
      Sensitiser
      Reproductive Toxin
      Persistent, bioaccumulative and toxic
      VOC
      Mutagen

        Census

        White
        African American
        Asian
        American Indian and Alaska Native
        Native Hawaiian
        Other

        14,308

        People living
        within a 1 mile radius

        $117,422

        Average Income

        6,325

        Occupied homes

        Potentially Responsible Parties

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