title: World Trade Center. Chemical studies of 9/11 disaster tell complex tale of 'bad stuff'.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D004190:Disasters; D004391:Dust / Q000032:analysis; D004781:Environmental Exposure; D005390:Fires; D015386:Hazardous Substances / Q000032:analysis*; D006801:Humans; D009519:New York City; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis; D012906:Smoke / Q000032:analysis; D023481:Terrorism; D014481:United States; D014484:United States Environmental Protection Agency
chemical_list: D000393:Air Pollutants; D004391:Dust; D015386:Hazardous Substances; D011084:Polycyclic Aromatic Hydrocarbons; D012906:Smoke