"Sarin is extremely toxic-one hundred milligrams, roughly one drop, can kill the average person in a few minutes time. People who do not receive a lethal dose and do not receive immediate medical attention can suffer permanent neurological damage."
http://www.fas.org/biosecurity/sarin.html">http://www.fas.org/biosecurity/sarin.html
And according to FAS, the technique that Iraq had produced sarin in a relatively very pure form.
Is there a shelf life to Sarin and is it stored in the shells?