| 21. | The defoliant contained dioxin, which some scientists say is one of the most toxic manmade substances.
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| 22. | It has been linked to cancer and birth defects and was an ingredient of the defoliant Agent Orange.
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| 23. | The main ingredient in the defoliant is glyphosate, sold by Monsanto in the United States as Roundup.
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| 24. | During the Vietnam War, the douc habitat was heavily bombed and sprayed with defoliants like Agent Orange.
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| 25. | Galston was a US biologist who identified the defoliant effects of a chemical later developed into Agent Orange.
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| 26. | The wastes came from the production of Agent Orange, the defoliant used to clear the jungles in Vietnam.
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| 27. | During the Vietnam War, the military used the defoliant Agent Orange and created various maladies among its troops.
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| 28. | It was present in Agent Orange, the defoliant used by the U . S . military in Vietnam.
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| 29. | Weinstein also devised a national settlement in 1984 for Vietnam War-related injuries from the defoliant Agent Orange.
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| 30. | These operations laid the groundwork for the subsequent use of Agent Orange and other defoliant formulations by the US.
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