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Soil and Groundwater Investigation and Remediation at a Former Chemical Manufacturing Plant

This manufacturing facility began operating a new chemical manufacturing plant in Nevada in 1947. The plant was constructed on land leased within a portion of an industrial complex. The plant specialized in the production of a variety of chemicals including chlorinating benzene for use elsewhere. All operations ceased at the plant in 1983 and the plant …

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In-Situ Bioremediation of VOCs in Groundwater

Initial site investigations for this former southern California manufacturing site found soil and groundwater had been impacted by Volatile Organic Compounds (VOCs). The former facility was used for the development, manufacture, and assembly of electronic components, with historical releases of chlorinated solvents that impacted localized areas of soil and groundwater. Clean-up of this 14-acre site …

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RCRA Closure at a Former Manufacturing Facility

This former manufacturing facility was used for design, testing, and manufacturing of electronic medical testing equipment. Sampling of soil, soil gas and groundwater revealed the presence of Polychlorinated Biphenyls, (PCBs) and volatile organic compounds (VOCs) including tetrachloroethylene (PCE), 1,1-dichloroethylene (DCE), 1,1,1-trichloroethane (TCA), and 1,1-dichloroethane (DCA). Site remediation is overseen by the United States Environmental Protection …

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Navigating the Superfund Cleanup Process

Beckman Instruments, Inc. operated an electronic instruments manufacturing facility in Porterville, California. The facility utilized a solar evaporation pond for the temporary storage of liquids. Initial site investigations revealed the presence of chlorinated solvents in a shallow groundwater system in the vicinity of pond. 1,1,1-Trichloroethane, trichloroethylene, Freon 113, 1,1-dichloroethylene, and 1,1-dichloroethane were detected in groundwater …

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