![]() ![]() ![]() Some medical experts even called dioxin a ''doomsday chemical.''Īcting on CDC guidelines calling any dioxin exposure over 1 part per billion potentially dangerous, EPA evacuated Times Beach. In the early 1980s, EPA called dioxin ''one of the most toxic man-made chemicals known,'' adding that it could cause cancer and liver, kidney and birth defects. Houk is director of the Center for Environmental Health and Injury Control, a unit of the federal Centers for Disease Control in Atlanta. Vernon Houk, a key figure in the Times Beach evacuation. ''We now have more information on dioxin, and we are not as concerned now as we were then,'' says Dr. ![]() To add to the controversy, a key public health figure now says perhaps dioxin is not so dangerous. ![]()
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