Original sentence: REDIRECT Picher,_Oklahoma#Tar_Creek_Superfund_site
Edited sentence: Chat piles left behind by the mining companies contain lead dust that has blown around the city.Elevated lead levels in Picher children have led to learning disabilities and other problems.Since the children of Picher have been found to have elevated levels of lead in their bodies, the EPA has since declared Picher to be one of the most toxic areas in the United States.Tar Creek Superfund site is a United States Superfund site located in Picher Oklahoma and Cardin, Oklahoma.The lead and zinc have also seeped into groundwater, ponds, and lakes, many of which still are used by children for swimming