title: Protecting building environments from airborne chemical, biological, or radiological attacks.
mesh_terms: D023482:Bioterrorism; D002619:Chemical Warfare Agents; D004189:Disaster Planning; D005160:Facility Design and Construction; D017408:Guidelines as Topic; D006801:Humans; D011847:Radioactive Fallout; D018570:Risk Assessment; D012637:Security Measures; D023481:Terrorism; D014691:Ventilation
chemical_list: D002619:Chemical Warfare Agents; D011847:Radioactive Fallout