Active ingredient (AI)
Revision as of 22:30, 16 March 2008 by Kdanneberger (talk | contribs)
1. In a pesticide formulation, the material that actually destroys the target pest or performs the desired function.
Example of Active ingredient (AI) on pesticide label.
Source: http://www.thisland.uiuc.edu/57ways/57ways_19.html