ABSTRACT
Guides for Emergency Response: Chemical Agent or Weapon: Diphosgene and Phosgene AGENT: Pulmonary (choking) Agents. Pulmonary (choking) agents cause physical injury to the lungs through inhalation. Membranes may swell and lungs become fi lled with liquid in serious cases causing death from lack of oxygen. Potential pulmonary (choking) agents that might be used as weapons of mass destruction (WMD) are listed in a standard format below.
