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Tag Archives: TCE
Dual Phase Extraction System, Permitting Design, and Construction | Berkeley CA
A former industrial building located in Berkeley, California was impacted with Chlorinated Volatile Organic Compounds (CVOCs), including trichloroethene (TCE) and cis-1,2-dichloroethylene (cis-1,2-DCE); total petroleum hydrocarbons as gasoline (TPH-g), Dense Non-Aqueous Phase Liquid, and (DNAPL) and Light Non-Aqueous Phase Liquid (NAPL). A dual phase extraction system was permitted for site remediation.
Posted in All Posts, Remediation, Water Treatment
Tagged Design, Dual Phase Extraction, Groundwater Remediation, NPDES, PCE, TCE, VOC, VOCs
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Technical Assistance for CERCLA Sites
Technical support was provided to two groundwater operating units. The operating units are designed to remediate the groundwater impacted with VOCs at two CERCLA sites.
Posted in All Posts, Groundwater Remediation, Projects, Remediation
Tagged aerospace, Air Emissions, CERCLA, Compliance, EPA, GAC, LPGAC, Operation and Maintenance, PCE, site, Sites, Superfund, TCE, Technical Support, VOCs, VPGAC
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Environmental Services for the Aerospace Industry
Our project experience includes environmental engineering services for the aerospace industry which includes remediation of former aerospace sites that pre-date World War II (also called legacy sites), and several CERCLA sites located in Southern California.
Posted in SOQ
Tagged aerospace, chrome, emerging contaminants, hexavalent, NDMA, PCE, perchlorate, remediation, site, TCE
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Soil and Soil Gas Investigation, San Fernando Valley, California
When seven production wells operated by a Southern California water purveyor reported concentrations of hexavalent chromium and perchlorate above regulatory limits for drinking water, a multiagency effort was conducted to identify sources of chemicals of concern.
Posted in All Posts, Investigation, Projects
Tagged 14-dioxane, aerospace, chrome, closure, dioxane, emerging contaminants, groundwater, hexavalent, intrusion, plan, sampling, soil, soil gas, TCE
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Closure Plans for Contaminated Sites and Regulatory Closure Negotiations
Introduction Contaminated sites undergoing remediation are managed with cleanup goals that are driven by guidelines and regulations published by regulatory agencies. Many regulators now require the collection of environmental data which may not be published in guidelines to assess closure. … Continue reading
Posted in All Posts, Services
Tagged closure, extraction, intrusion, johnson-ettinger, PCE, plans, redevelopment, soil, SVE, TCE, vapor, VLEACH
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Site Closure Plan and Closure Strategy and Regulatory Support, Former Aerospace Site, Southern California
A soil vapor extraction system located at former aerospace site in Southern California had operated for a number of years. The client requested a strategy to obtain regulatory site closure. In response, a site closure plan was prepared outlining … Continue reading