LEACHING

leaching (leech-ing). The process by which moving fluid separates the soluble components of a material. • Under CERCLA, leaching is considered a release of contaminants. The term is sometimes used to describe the migration of contaminating materials, by rain or groundwater, from a fixed source, such as a landfill. 42 USCA § 9601(22).

[Blacks Law 8th]