Designated Foreign Terrorist Organizations Other Groups of Concern Terrorism Definitions Terrorist Exclusion List Designees Bomb Threat Call Procedures Have Suspicions? Technical Pages These pages provide information on how to deal with different types of terrorist attacks or activity. Click on the below links for advice on how to recognize attacks using chemical or biological weapons, what steps you should take to take to protect yourself in an imminent bomb or Improvised Explosive Device attack, and how you can recognize suspicious financial activity or fake travel documents. Anthrax Bomb Threat Stand-off Distances Biological Threats Biological Incidents Chemical Agents Indicators of a Possible Chemical Incident Terrorist Document Indicators Indicators of Suspicious Financial Activity Composition and Physical Properties of Commonly Available Plastic Explosives Radicalization Indicators of a Possible Radiological Incident Ramadan Ricin TNT Equivalents for Various Explosives and Fuel-Air Mixtures Toxic Industrial Chemicals     VX
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