Technical grade of active ingredient
Technical grade of active ingredient means a material containing an active ingredient:
(1) Which contains no inert ingredient, other than one used for purification of the active ingredient; and
(2) Which is produced on a commercial or pilot plant production scale (whether or not it is ever held for sale).
Source
40 CFR § 158.300
Scoping language
The following terms are defined for the purposes of this subpart: