Contractors clean up lead paint at a contaminated building in Providence, Rhode Island. More than 30 million homes built before 1987 are estimated to have lead-based paint, the EPA says.
Mandatory Credit:	Chitose Suzuki/AP/File

Contractors clean up lead paint at a contaminated building in Providence, Rhode Island. More than 30 million homes built before 1987 are estimated to have lead-based paint, the EPA says.
Mandatory Credit: Chitose Suzuki/AP/File