DA 2002, “Soil Vapor Extrac-tion and Bioventing,” Manual No. 1110-1-4001,” Department of the army, US army corps of engineers Washington, DC., EM 1110-1-4001, Engineering and Design, Available at-url: http://www.usace.army.mil/publications/eng-manuals/em1110-1-4001/entire.pdf last accessed on 30th May 2008.

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