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Vacuum vapor and passive cryogenic vapor extraction technology comparative field test for subsurface soil vapor sampling

机译:真空蒸汽和被动低温蒸汽提取技术对地下土壤蒸汽采样的比较现场试验

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摘要

This document investigates two methods of sampling subsurface vapors. The methods discussed are Vacuum/Vapor extraction system and Passive Cryogenic Vapor Extraction system. This report gives an overview of both technologies and outlines the preliminary tests of the two technologies.

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