Table 4. Chemical Agents
Agent

Signs and
Symptoms

Decontamination
Persistence
Nerve Agents
Tabun (GA) Salivation
Lacrimation
Urination
Defecation
Gastric disturbances
Emesis
Remove contaminated clothing.
Flush with a soap and water solution for patients.
Flush with large amounts of a 5%
bleach and water solution for objects.
1-2 days if heavy concentration
Sarin (GB) 1-2 days will evaporate with water
Soman (GD) Moderate, 1-2 days
V Agents (VX) High, 1 week if heavy concentration
As volatile as motor
oil
Vesicants (Blister Agents)
Sulfur Mustard (H) Acts first as a cell
irritant, then as a cell
poison. Conjunctivitis,
reddened skin,
blisters, nasal
irritation, inflammation
of throat and lungs.
Remove contaminated clothing.
Flush with soap and water solution for patients.
Flush with large amounts of a 5% bleach and water solution for objects.
Very high, days to weeks
Distilled Mustard (HD)
Nitrogen Mustard (HN 1,3)
Mustargen (HN2) Moderate
Lewisite (L) Immediate pain with blisters later. Days, rapid hydrolysis with humidity
Phosgene Oxime (CX) Immediate pain with blisters later-
necrosis equivalent to second and third degree burns
Low, 2 hours in soil
Chemical Asphyxiants (Blood agents)
Hydrogen Cyanide (AC) Cherry red skin or ~
30% cyanosis.
Patients may appear
to be gasping for air. Seizures prior to death. Effect is similar to asphyxiation, but is more sudden.
Remove contaminated clothing.
Flush with a soap and water solution for patients.
Flush with large amounts of 5% bleach and water solution for objects.
Extremely volatile, 1-2 days
Cyanogen Chloride (CK) Rapidly evaporates and disperses
Arsine (SA) Low