NATIONAL PRIORITIES LIST (NPL)
A list of the hazardous waste disposal sites most in need of cleanup. The list is updated annually by the U.S. Environmental Protection Agency (EPA) based primarily on how a site scores using the Hazard Ranking System. A site must be on the NPL to receive money from the trust fund for remedial action. Also referred to as the Superfund List.
National Priorities List (NPL)
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