n. a very large or otherwise exceptional fund (in various senses); spec. (U.S.) (frequently with capital initial) a federal government fund established in 1980 to finance the Environmental Protection Agency's clean-up of sites contaminated with hazardous waste; (also) the associated clean-up programme.

Dyer, Zach. "Episode 43: After the Flood." Outside/In, July 6, 2017. Audio, 23:49. Small, Laura, Kevin Olp. "Mapping Environmental Justice: How Can You Use EPA’s EJSCREEN Tool?" Environmental and Energy Study Institute (EESI), May 19, 2016. Video or Audio, 59:47.

Texts and other related media
Berger, Alan. Drosscape: Wasting Land Urban America. New York, NY: Princeton Architectural Press, 2006.
US Environmental Protection Agency (EPA). “Superfund.” EPA. Updated 2020.
Lynch, Kevin and Michael Southworth. Wasting Away. San Francisco: Sierra Club Books, 1990.
US Environmental Protection Agency (EPA). "Hazardous Waste Cleanup: Buick City Facility - Flint, Michigan." EPA. Updated 2020.