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Abrin

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Acids (caustics)

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Adamsite (DM)

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Americium-241 (Am-241)

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Ammonia

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Anthrax (Bacillus anthracis)

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Arsenic

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Arsine (SA)

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Bacillus anthracis (anthrax)

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Benzene

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Bioterrorism agents

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Biotoxins

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Blast injuries

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Blister agents/vesicants

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Blood agents

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Botulism (Clostridium botulinum toxin)

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Bromine (CA)

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Bromobenzylcyanide (CA)

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Brucella species (brucellosis)

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Brucellosis (Brucella species)

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Burkholderia mallei (glanders)

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Burkholderia pseudomallei (melioidosis)

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BZ

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Caustics (acids)

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Cesium-137 (Cs-137)

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Chemical agents

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Chlamydia psittaci (psittacosis)

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Chlorine (CL)

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Chloroacetophenone (CN)

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Chlorobenzylidenemalononitrile (CS)

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Chloropicrin (PS)

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Choking/lung/pulmonary agents

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Cholera (Vibrio cholerae)

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Clostridium botulinum toxin (botulism)

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Clostridium perfringens (Epsilon toxin)

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Cobalt-60 (Co-60)

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Coxiella burnetii (Q fever)

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Cyanide

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Cyanogen chloride (CK)

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Dibenzoxazepine (CR)

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Diphosgene (DP)

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Dirty bombs

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Distilled mustard (HD)

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Earthquakes

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E. coli O157:H7 (Escherichia coli)

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Emerging infectious diseases such as Nipah virus & hantavirus

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Epsilon toxin of Clostridium perfringens

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Escherichia coli O157:H7 (E. coli)

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Ethylene glycol

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Explosions

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Extreme cold

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Extreme heat

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Fentanyls & other opioids

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Fire safety

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Floods

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Food safety threats (e.g., Salmonella species, Escherichia coli O157:H7, Shigella)

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Forest fires

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Francisella tularensis (tularemia)

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Glanders (Burkholderia mallei)

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Hurricanes

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Hydrofluoric acid (hydrogen fluoride)

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Hydrogen chloride

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Hydrogen cyanide (AC)

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Hydrogen fluoride (hydrofluoric acid)

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Incapacitating agents

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Iodine-131 (I-131)

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Landslides & mudslides

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Lewisite (L, L-1, L-2, L-3)

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Long-acting anticoagulant (super warfarin)

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Lung/choking/pulmonary agents

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Mass trauma

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Melioidosis (Burkholderia pseudomallei)

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Mercury

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Metals

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Mudslides & landslides

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Mustard gas (H) (sulfur mustard)

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Mustard/lewisite (HL)

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Mustard/T

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Natural disasters

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Nerve agents

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Nitrogen mustard (HN-1, HN-2, HN-3)

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Nuclear blasts

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Organic solvents

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Osmium tetroxide

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Paraquat

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Phosgene (CG)

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Phosgene oxime (CX)

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Phosphine

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Phosphorus, elemental, white or yellow

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Plague (Yersinia pestis)

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Plutonium-239 (Pu-239)

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Potassium cyanide (KCN)

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Power outages

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Psittacosis (Chlamydia psittaci)

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Pulmonary/choking/lung agents

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Q fever (Coxiella burnetii)

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Radiation exposure/radiological emergencies

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Radioisotopes (radioactive isotopes)

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Radioactive isotopes (radioisotopes)

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Ricin toxin from Ricinus communis (castor beans)

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Rickettsia prowazekii (typhus fever)

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Riot control agents/tear gas

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Salmonella species (salmonellosis)

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Salmonella typhi (typhoid fever)

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Salmonellosis (Salmonella species)

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Sarin (GB)

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Sesqui mustard

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Shigella (shigellosis)

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Shigellosis (Shigella)

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Smallpox (variola major)

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Sodium azide

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Sodium cyanide (NaCN)

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Soman (GD)

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Staphylococcal enterotoxin B

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Stibine

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Strontium-90 (Sr-90)

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Strychnine

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Sulfur mustard (H) (mustard gas)

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Super warfarin (long-acting anticoagulant)

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Tabun (GA)

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Tear gas/riot control agents

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Thallium

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Tornadoes

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Toxic alcohols

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Tularemia (Francisella tularensis)

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Typhoid fever (Salmonella typhi)

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Typhus fever (Rickettsia prowazekii)

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Unidentified chemical

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Uranium-235 (U-235) & uranium-238 (U-238)

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Variola major (smallpox)

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Vesicants/blister agents

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Vibrio cholerae (cholera)

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Viral encephalitis (alphaviruses [e.g., Venezuelan equine encephalitis, eastern equine encephalitis, western equine encephalitis])

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Viral hemorrhagic fevers (filoviruses [e.g., Ebola, Marburg] & arenaviruses [e.g., Lassa, Machupo])

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Vomiting agents

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VX

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Water safety threats (e.g., Vibrio cholerae, Cryptosporidium parvum)

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White phosphorus

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Wildfires

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Winter storms

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Yersinia pestis (plague)