Lead contamination of the roadside ecosystem.
D000393:Air Pollutants / Q000032:analysis*; D007854:Lead / Q000032:analysis*; D010944:Plants; D012989:Soil Pollutants / Q000032:analysis; D014481:United States; D001335:Vehicle Emissions; D014874:Water Pollutants, Chemical / Q000032:analysis
D000393:Air Pollutants; D012989:Soil Pollutants; D001335:Vehicle Emissions; D014874:Water Pollutants, Chemical; D007854:Lead