Agent Orange III: 66.6% n-butyl 2,4-D and 33.3% n-butyl ester 2,4,5-T [REF].
65% of the herbicides used contained 2,4,5-trichlorophenoxyacetic acid that was contaminated with 2,3,7,8-tetrachlorodibenzodioxin,[REF] a "known human carcinogen..by several different routes of exposure, including oral, dermal, and intraperitoneal" [REF].