A brand new examine finds that floor soil in parks and playgrounds constructed on former waste incineration and ash disposal websites could include ranges of lead exceeding EPA security requirements for areas the place kids play. The contamination, which might persist lengthy after an incinerator is closed, stems from burning paint, pipes and different merchandise that contained lead. Websites in tons of of U.S. and Canadian cities may very well be contaminated. Elevated monitoring is required to pinpoint hotspots.