Independent Panel: EPA Underestimates Atrazine's Cancer Risk

| Mon Nov. 7, 2011 6:00 AM EST

Atrazine is the second most widely used pesticide on US farms. According to its maker, the Swiss agrichemical giant Syngenta, US sales of it are booming. Does it cause cancer?

The EPA, which regulates pesticide use, has been operating under the assumption that the chemical is "not likely to be a human carcinogen." But in 2009, the agency launched what it called a "comprehensive new evaluation of the pesticide atrazine to determine its effects on humans." As part of the process, it charged a panel made up of independent scientists and public health experts to "evaluate the pesticide's potential cancer and non-cancer effects."

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