Claim: CERCLA created a list of polluted locations, 21 sites in total, mainly in Rockingham and Hillsborough counties, none have been deleted but most have the construction completed.
Evidence: The United States federal Superfund law is officially known as the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). There are 40,000 federal Superfund sites across the country, and approximately 1,600 of those sites have been listed on the National Priorities List (NPL). As of April 1, 2020, there were 1,335 sites listed; an additional 424 had been delisted, and 51 new sites have been proposed.