Federal environmental authorities have added two hazardous waste sites in the Southeast to the Superfund National Priorities List.

Superfund is the Enviromental Protection Agency's program that investigates and cleans up complex uncontrolled or abandoned hazardous waste sites.

Armstrong World Industries, a ceiling tile manufacturer in Macon, and Horton Iron and Metal, a former fertilizer manufacturer and metal salvage site in Wilmington, N.C., have been added to the list.

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People carrying a giant pride flag participate in the annual Pride Parade in Atlanta on Sunday, Oct. 13, 2024. (Miguel Martinez/AJC)

Credit: Miguel Martinez-Jimenez