Here is the link that everyone quotes (Reigle Report):
http://members.aol.com/vetcenter/reigle.htm
One of its strongest points (duel use stuff).
The United States provided the Government of Iraq with "dual use" licensed materials which assisted in the development of Iraqi chemical, biological, and missile- system programs, including:(6) chemical warfare agent precursors; chemical warfare agent production facility plans and technical drawings (provided as pesticide production facility plans); chemical warhead filling equipment; biological warfare related materials; missile fabrication equipment; and, missile-system guidance equipment.
Yes, I have read all about the dual use stuff. That's a big difference from "WE GAVE THE IRAQI'S NERVE GAS".