A defoliant used extensively by U.S. military forces in the Vietnam War. It was composed of 2,4-D and 2,4,5-T. The 2,4,5-T was discovered to be contaminated with TCDD. The defoliant was stored in 55-gallon drums painted with an orange stripe.

PRESUMPTIVE DIAGNOSES
The U.S. government accepts that the following illnesses are the result of exposure to Agent Orange: AL amyloidosis, B-cell leukemias, chloracne, diabetes mellitus, Hodgkin and non-Hodgkin lymphoma, ischemic heart disease, multiple myeloma, Parkinson disease, prostate cancers, porphyria cutánea tarda, respiratory cancers, and soft tissue sarcomas.

SEE: chloracne for illus; SEE: TCDD