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The follow definitions are used in the description of the cleanup technologies

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landfarmingThe spreading and incorporation of wastes into the soil to initiate biological treatment. See technology description of Land_Farming.
landfillA land disposal site where the waste is spread in layers, compacted and sometimes covered.
leachateA contaminated liquid that results when water collects contaminants as it trickles through wastes. Leaching often occurs in landfills and carries hazardous substances into soil, surface water, or groundwater.
light nonaqueous phase liquid (LNAPL)One of a group of organic substances that are relatively insoluble in water and are less dense than water. LNAPLs such as oil, tend to spread across the surface of the water table and form a layer on the top of the water table.

Note: A majority of the terms and definitions are based on the U.S. Environmental Protection Agency's Brownfields Innovative Technology Glossary . Some definitions have been modified/enhanced to support the Tech Tree text.

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This page was last updated OCTOBER 26, 1998
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