Superfund Record of Decision (EPA Region 9): Mesa Area Ground Water Contamination, Mesa, AZ. (First remedial action), September 1991. Final report
Technical Report
·
OSTI ID:7128540
The 80-acre Mesa Area Ground Water Contamination site is a semiconductor manufacturing facility in Mesa, Maricopa County, Arizona. Land use in the area is predominantly industrial and residential. The site overlies two aquifers: a Lower Alluvial Aquifer (LAA), which is used by the residents of Mesa as a drinking water source, and an Upper Alluvial Aquifer (UAA). Since 1966, Motorola, Inc., has used the site for the production of semiconductors and the storage of chemicals in an underground storage system. The selected remedial action for the site includes treating shallow onsite soil using soil vapor extraction, controlling VOC emissions using carbon adsorption, followed by offsite disposal of carbon residuals; onsite and offsite pumping of contaminated ground water; treating the ground water onsite using vacuum degasification, followed by carbon adsorption to remove VOCs; discharging the treated water from the degasifier to the deionized water treatment plant for reuse in manufacturing and other facility processes; and disposing of remaining wastewater at a publicly owned treatment works.
- Research Organization:
- Environmental Protection Agency, Washington, DC (United States). Office of Emergency and Remedial Response
- OSTI ID:
- 7128540
- Report Number(s):
- PB-92-964514/XAB; EPA/ROD/R--09-91/064
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
540250* -- Environment
Terrestrial-- Site Resource & Use Studies-- (1990-)
AQUIFERS
ARIZONA
CONTAMINATION
DEVELOPED COUNTRIES
FEDERAL REGION IX
GROUND WATER
HAZARDOUS MATERIALS
HYDROGEN COMPOUNDS
LAND USE
LAWS
MANAGEMENT
MANUFACTURING
MATERIALS
MATTER
NORTH AMERICA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PLUMES
POLLUTION
POLLUTION LAWS
REMEDIAL ACTION
SITE SURVEYS
SOILS
US SUPERFUND
USA
VOLATILE MATTER
WASTE DISPOSAL
WASTE MANAGEMENT
WATER
WATER TREATMENT
540250* -- Environment
Terrestrial-- Site Resource & Use Studies-- (1990-)
AQUIFERS
ARIZONA
CONTAMINATION
DEVELOPED COUNTRIES
FEDERAL REGION IX
GROUND WATER
HAZARDOUS MATERIALS
HYDROGEN COMPOUNDS
LAND USE
LAWS
MANAGEMENT
MANUFACTURING
MATERIALS
MATTER
NORTH AMERICA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PLUMES
POLLUTION
POLLUTION LAWS
REMEDIAL ACTION
SITE SURVEYS
SOILS
US SUPERFUND
USA
VOLATILE MATTER
WASTE DISPOSAL
WASTE MANAGEMENT
WATER
WATER TREATMENT