Assessment and Delineation of DNAPL Source Zones at Hazardous Waste Sites – Ground Water Issue (EPA/600/R-09/119) September 2009
This document provides a framework to assess the presence of DNAPL in the subsurface and for delineating the spatial extent of a DNAPL source zone. Direct and indirect site investigation methods are discussed, as well as their applicability in unconsolidated deposits and fractured rock environments. The strategy presented in the document utilizes converging lines of evidence and encourages an iterative and flexible site investigation approach.
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