Arsine Blood Agents
These materials include arsine and reactive materials such as arsenide salts and alloys of arsenic that decompose to produce arsine. They are ﬁrst generation warfare agents that were evaluated during World War I but have never been utilized on the battleﬁeld. These materials are commercially available but are relatively difﬁcult to disperse. Although this class of agents is considered obsolete on the modern battleﬁeld, arsine is
still considered a signiﬁcant threat as a potential improvised weapon that could be utilized in urban warfare.