| 41. | It has been said that over 3.2 million litres and kilograms of chemical defoliants were sprayed during that time.
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| 42. | Agent Orange, a chemical defoliant, contained a toxic byproduct, dioxin, that veterans have blamed for serious health problems.
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| 43. | Washington and Hanoi have been talking about an agreement to allow the two countries to share research on effects of the defoliants.
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| 44. | The contaminant used in Agent Orange, a defoliant sprayed during the Vietnam War, includes the most toxic form of dioxin.
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| 45. | The FTC ordered the company to sell off two insecticide products, a herbicide used on spring wheat and a cotton defoliant.
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| 46. | About 55 percent of the defoliant was Agent Orange _ nicknamed for the color of the identification band on its storage containers.
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| 47. | In 1901, studies of the defoliant effect of leaking gas pipes led to the discovery that ethylene is a plant hormone.
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| 48. | Hercules Inc . lost a fight to make the federal government pay for lawsuit damages to veterans injured by the defoliant Agent Orange.
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| 49. | Mowing is hopeless; chemical defoliants cost too much or draw criticism; neither fire nor flood eradicates the milky-sap plant.
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| 50. | It contains a super-defoliant that will shrivel anything within a 500-mile radius if it heats up beyond 50 degrees.
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