<P> On February 17, 2011, the Toronto Star revealed that Agent Orange was employed to clear extensive plots of Crown land in Northern Ontario . The Toronto Star reported that, "records from the 1950s, 1960s and 1970s show forestry workers, often students and junior rangers, spent weeks at a time as human markers holding red, helium - filled balloons on fishing lines while low - flying planes sprayed toxic herbicides including an infamous chemical mixture known as Agent Orange on the brush and the boys below ." In response to the Toronto Star article, the Ontario provincial government launched a probe into the use of Agent Orange . </P> <P> An analysis of chemicals present in the island's soil, together with resolutions passed by Guam's legislature, suggest that Agent Orange was among the herbicides routinely used on and around military bases Anderson Air Force Base, Naval Air Station Agana, Guam . Despite the evidence, the Department of Defense continues to deny that Agent Orange was ever stored or used on Guam . Several Guam veterans have collected an enormous amount of evidence to assist in their disability claims for direct exposure to dioxin containing herbicides such as 2, 4, 5 - T which are similar to the illness associations and disability coverage that has become standard for those who were harmed by the same chemical contaminant of Agent Orange used in Vietnam . </P> <P> Agent Orange was used in Korea in the late 1960s . </P> <P> The United States local press KPHO - TV in Phoenix, Arizona, alleged (in 2011) that the United States Army had in 1978 buried 250 drums of Agent Orange in Camp Carroll, the U.S. Army base in Gyeongsangbuk - do, Korea . </P>

When was agent orange first used in korea