DNAPL SITE EVALUATION - Project Summary

Courtesy Recent Science Inventory records from the EPA  Wed, 09/03/2008 - 09:18

Dense nonaqueous-phase liquids (DNAPLs), especially chlorinated solvents, are among the most prevalent subsurface contaminants identified in ground-water supplies and at waste disposal sites.

There are several site-characterization issues specific to DNAPL sites including (a) the risk of inducing DNAPL migration by drilling, pumping or other field activities; (b) the use of special sampling and measurement methods to assess DNAPL presence and migration potential; and (c) development of a cost-effective characterization strategy that accounts for DNAPL chemical transport processes, the risk...

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