It is estimated that between 1961 and 1971, approximately 77 million litres of herbicides, including 49.3 million litres of Agent Orange containing more than 360 kg of dioxin-contaminated defoliants, were sprayed multiple times over 5.5 million acres in South Vietnam. … Recognizing that since the passage in 1991 of APHA Policy Statement 91-24 titled “Continuing Consequences of the Vietnam War,” progress has been made in significant areas such as ending the trade embargo of Vietnam and developing legislation to address some of the psychological and physical 2 health effects of war on American veterans of the Vietnam War and their families, outstanding issues still remain to be addressed.