A method an apparatus for transforming volatile compounds from the liquid to vapor phase is disclosed. Specifically, a method and apparatus for transforming liquid phase soil contaminants to vapor phase contaminants through application of a vacuum is disclosed. A method and apparatus for connecting two...http://www.google.co.uk/patents/US5979554?utm_source=gb-gplus-sharePatent US5979554 - Vacuum application method and apparatus for removing liquid contaminants from groundwater
