title: Exposure assessment: utility and application within homeland or public security.
authors.forename: Paul J
authors.initials: PJ
authors.lastname: Lioy
mesh_terms: D004781:Environmental Exposure; D004784:Environmental Monitoring / Q000379:methods*; D006801:Humans; D008962:Models, Theoretical; D011634:Public Health; D018570:Risk Assessment; D012637:Security Measures; D023481:Terrorism