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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > environmental science > pollutants > nonaqueous phase liquids > dense nonaqueous phase liquids
Natural Resources, Conservation, Environment > environmental science > pollutants > nonaqueous phase liquids > dense nonaqueous phase liquids
Preferred Term:

dense nonaqueous phase liquids

Definition:
A DNAPL is one of a group of organic substances that are relatively insoluble in water and more dense than water. DNAPLs tend to sink vertically through sand and gravel aquifers to the underlying layer.
Concept Schemes:
NALT Core
NALT Full
Broader Concept:
nonaqueous phase liquids
Entry Terms:
  • dense non-aqueous phase liquids
  • DNAPL (dense nonaqueous phase liquids)
  • DNAPLs (dense nonaqueous phase liquids)
URI:
https://lod.nal.usda.gov/nalt/32359
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2015-12-22
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