1.   Although Iraq is known to have made weapons with other nerve agents, including sarin, no evidence has surfaced suggesting Iraq ever made weapons with soman.

2.   And, while not always invisible, nerve agents are not necessarily noticeable.

3.   A chemical weapons incinerator in Utah has accidentally hiccuped small doses of nerve agent from its smokestack.

4.   A few hundred missiles may shake up Baghdad, but they will not do anything about hidden warheads filled with nerve agents and biological poisons.

5.   A screen filter blocks particulates such as radioactive dust, while a charcoal matrix absorbs vapors from toxins such as a nerve agent.

6.   A single drop of a nerve agent like sarin can kill a person.

7.   But before the enzymes are replaced, he said, they can absorb repeated doses of nerve agents, allowing small doses to have a cumulative effect.

8.   But it continues to suspect that Baghdad still possesses deadly nerve agents and missiles capable of striking Israel or Saudi Arabia.

9.   But no nerve agent was released either inside the plant or outside, the Army said, proving that the design for containing nerve gas was sound.

10.   But they flatly refused to address questions about production of the deadly nerve agent VX.