A-A-197 Revision A, September 16, 2014
HERBICIDE, 2,4-DICHLOROPHENOXYACETIC ACID (SALTS AND ESTERS)
The intended use of the types and classes are:
Type II - Herbicide is effective on easy-to-kill or moderately easy-to-kill weeds
Type III - Class 1. Herbicide is effective on deep rooted perennial weeds, old semi-resistant weeds and woody species. Class 2. Herbicide is used the same as Class 1 however Class 2 should be used in areas where sensitive crops such as cotton are grown.