Agent orange was a 1:1 mixture of 2,4,5-T (2,4,5 -Trichlorophenoxyacetic acid) and 2,4-D (2,4- Dichlorophenoxyacetic acid). It was reported in 1969 that the 2,4,5-T was contaminated with 2,3,7,8-tetrachrolodibenzodioxin (TCDD), a highly toxic dioxin. The TCDD was largely responsible for many long-term adverse effects (including cancer, birth defects) associated with exposure to Agent Orange.In 1970, the United States Department of Agriculture halted the use of 2,4,5-T on all food crops in the U.S. except rice, and in 1985, the EPA terminated all remaining uses in the US of this herbicide. The international trade of 2,4,5-T is restricted by Rotterdam convention. 2,4,5-T has since largely been replaced by dicamba and triclopyr. While these chemicals have some short-term toxicity, there is no indication that they can cause cancer or birth defects.ПС. Dicamba на хрен почему-то не на пользу в US, аппетиты только растут. Давай еще!