915 DEGUIGNE
Advanced Micro Devices, Inc. manufactures semiconductor and microprocessor devices on this 5 1/2-acre site. Building 915 was built on former agricultural land in 1973. At that time, three underground acid neutralization tanks were installed north of the building. The building's operations also involved underground storage tanks of waste organic solvents. In 1981, the company identified volatile organic compounds (VOCs) in wells near the building. VOCs are compounds used in many applications, such as dry cleaning, paint stripping, metal plating, and machinery degreasing. High levels of VOCs present in the on-site soils resulted from leaking tanks and spills during solvent handling. This site was added to the National Priorities List (NPL) in 1990. Two other NPL sites have contributed to the contaminated groundwater plume: Advanced Micro Devices, Inc. and TRW Microwave, Inc. A third facility, Phillips / Signetics, Inc., has been removed from the NPL, but the potentially responsible parties are required to participate in the cleanup process under Regional Water Quality Control Board Orders. The closest homes are located 400 feet north of the site. There was contamination from the site that had the potential to reach the deep groundwater that supplies municipal wells within three miles of the site. These wells provide drinking water to approximately 200,000 people in Santa Clara, Sunnyvale, and Mountain View.
22,164 |
People living within a 1 mile radius |
$109,183 |
Average Income |
7,363 |
Occupied homes |
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