EnvironmentalIntermediateDelaware Exam

What is 'soil vapor extraction' (SVE) and when is it used in Delaware remediation?

AVacuuming contaminated soil from a site
BAn in-situ remediation technique that extracts volatile contaminants from the unsaturated soil zone using vacuum-induced air flow through extraction wellsCorrect
CThe extraction of soil samples for Phase II analysis
DA technique for removing underground methane from former landfills

Why An in-situ remediation technique that extracts volatile contaminants from the unsaturated soil zone using vacuum-induced air flow through extraction wells Is Correct

Answer B: An in-situ remediation technique that extracts volatile contaminants from the unsaturated soil zone using vacuum-induced air flow through extraction wells

Soil Vapor Extraction (SVE) is an in-situ (in-place) remediation technique for the unsaturated (vadose) zone. Vacuum is applied to extraction wells, drawing air through contaminated soil and volatilizing petroleum hydrocarbons or chlorinated solvents for treatment above ground.

Exam Tip: Environmental

Environmental questions test knowledge of hazards like asbestos, lead-based paint, radon, and mold. Know the disclosure requirements and when a professional inspection is required. CERCLA liability is strict, joint, and several.

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