is also called the Superfund, this U.S. statute, administered by the EPA, provides funding and enforcement authority for cleaning up existing hazardous waste sites and for responding to hazardous substance spills. CERCLA encompasses industrial, commercial, and non-commercial spills to water, ground water, soil, and air. Petroleum and natural gas are excluded from the CERCLA definition of "hazardous", but are covered by a range of other health and environmental legislation.

Also see Superfund Amendments and Reauthorization Act, Toxic Substance Control Act, Resource Conservation and Recovery Act.