title: A contingency plan for unpredictable circumstances. Terrorist attacks prompt investment in enhanced systems.
authors.forename: Dennis
authors.initials: D
authors.lastname: Arp
mesh_terms: D000393:Air Pollutants; D000401:Aircraft; D004189:Disaster Planning / Q000458:organization & administration*; D004868:Equipment Failure / Q000191:economics; D006279:Health Maintenance Organizations / Q000191:economics / Q000458:organization & administration*; D006801:Humans; D007255:Information Services / Q000600:supply & distribution; D007449:Investments; D008331:Management Information Systems; D009519:New York City; D010934:Planning Techniques; D012308:Risk Management; D012984:Software; D023481:Terrorism; D014186:Transportation
chemical_list: D000393:Air Pollutants