... from Agent Orange in Vietnam can migrate from the originally sprayed areas Wind, rain, and floods were 786 Food as a Source of Dioxin Exposure TABLE A Comparison of Dioxin Toxic Equivalent in Food ... spraying ended over decades ago, in certain areas of Vietnam food is clearly a present-day route of intake of dioxin from Agent Orange, as it might have been since the spraying began in 1962 In an ... was collected in 2002 from the Bien Hoa market, the Bien Hung market, the Bien Hung Lake, and at the nearby air base where Agent Orange was stored All are within several kilometers of each other...