Lead in the environment.
D000397:Air Pollution; D001822:Body Burden; D004777:Environment; D004782:Environmental Health; D004787:Environmental Pollution; D006801:Humans; D007220:Industrial Waste; D007854:Lead; D008906:Mining; D012623:Seawater; D012987:Soil; D013672:Technology; D001335:Vehicle Emissions; D014877:Water Pollution, Chemical
D007220:Industrial Waste; D012987:Soil; D001335:Vehicle Emissions; D007854:Lead