July, 1984. CIA begins giving Iraq intelligence necessary to calibrate its mustard gas attacks on Iranian troops.
May, 1986. The US Department of Commerce licenses 70 biological exports to Iraq between May of 1985 and 1989, including at least 21 batches of lethal strains of anthrax.
May, 1986. US Department of Commerce approves shipment of weapons grade botulin poison to Iraq.
April, 1988. US Department of Commerce approves shipment of chemicals used in manufacture of mustard gas.
September, 1988. US Department of Commerce approves shipment of weapons grade anthrax and botulinum to Iraq.
December, 1988. Dow chemical sells $1.5 million in pesticides to Iraq despite knowledge that these would be used in chemical weapons.
July, 1991 The Financial Times of London reveals that a Florida chemical company had produced and shipped cyanide to Iraq during the 80's using a special CIA courier. Cyanide was used extensively against the Iranians.