Dense NAPLs (DNAPLs) have a specific gravity greater than unity and will tend to sink to the bottom of surface waters and ground water aquifers.
(Dense NAPLs; have; a specific gravity greater than unity) (Dense NAPLs; will tend; to sink to the bottom of surface waters and ground water aquifers)
Dense NAPLs Dense NAPLs
have will tend
a specific gravity greater than unity
to sink to the bottom of surface waters and ground water aquifers