More Vapor Intrusion:
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 The objective of VOC treatment is to eleminate the path way between the source
(contaminated ground water or subsurface soils) and the building occupants. The United States Environmental
Protection Agency (U.S.E.P.A) and most state environmental agencies have established guidlines regarding the
preferred treatment for VOC contamination. The options for remedial techniques found in these documents represend
Active Subsurface Depressurization Systems (ASDS) to be the most common application for this purpose.
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