ABSTRACT
Dense nonaqueous phase liquids (DNAPLs) are liquids that are only slightly soluble in water and therefore exist in the subsurface as a separate fluid phase immiscible with both water and air.* The density of DNAPLs is greater than water (DNAPL density >1 g=cm3 at 48C) and their mobility in the subsurface is governed more by gravity and the properties of the DNAPL and surrounding soil than it is by groundwater movement.
