Urban parks built on former waste incineration sites could be lead hotspots, study finds
Surface-soil Pb heat maps of (a) East End Park, (b) Walltown Park, and (c) East Durham Park in Durham, North Carolina. In (a) East End Park, “T” marks hard-surface tennis courts, and “SS” is the city’s abandoned Sign and Signal Shop, the latter surrounded by fencing with locked gates indicated by black lines. In (b)