Tag Archives: extraction

Dual Phase Extraction (DPE) | Technology Description

Dual-Phase Extraction (DPE) is a remediation technology for soils and groundwater impacted with volatile organic compounds (VOCs). This technology works by extracting soil vapor and groundwater from the subsurface at a high vacuum, then treating the vapors and water prior to discharge.

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Soil Vapor Extraction and Air Sparge Operation, California Refinery

A global oil and gas corporation commissioned the operation and maintenance of a soil and groundwater remediation system designed an active California refinery. Continue reading

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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  Many regulators now require the collection of environmental data which may not be published in guidelines to assess closure.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

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