Delaney clause
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The Delaney Clause is a 1958 amendment to the Food, Drugs, and Cosmetic Act of 1938, named after Congressman James Delaney of New York. It said:
- "the Secretary of the Food and Drug Administration shall not approve for use in food any chemical additive found to induce cancer in man, or, after tests, found to induce cancer in animals."
The Delaney Clause was invoked in 1959 by the Secretary of the Department of Health, Education and Welfare when the cancer-causing herbicide aminotriazole was discovered on cranberry plants in Oregon and Washington. Taking place the week of Thanksgiving, the announcement was referred to by many in the cranberry industry as "Black Monday" -- sales plummeted, even though many government officials attempted to defuse the scare by declaring their intention to eat cranberries anyway. This episode is regarded as one of the first modern food scares based on a chemical additive.
The Delaney Clause applied to pesticides in processed foods, but only when residues of a cancer causing pesticide increased during processing; for example when more of a pesticide was present in ketchup than in the raw tomatoes used to make it. (It never applied to pesticides in raw foods.) In 1988 the EPA eased restrictions on several pesticides which posed a "de minimus" risk to humans. This change was challenged by the Natural Resources Defense Council, and over-turned in 1992 by the Ninth Circuit Court of Appeals.
Pesticide use was removed from the Delaney Clause in 1996 by an amendment to Title IV of the Food Quality Protection Act.
