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Atrazine found safe, again

In a scientific meeting convened by the Environmental Protection Agency (EPA) scientists for Syngenta presented data that more closely replicate real-world exposure, supporting the safety of the trusted herbicide atrazine.
One of the studies measured the potential effects of atrazine on animals using two delivery methods: 1) after distributed doses or 2) after a large, single dose. Because the rats received atrazine in distributed doses over time, data from this study are more applicable to how humans may be exposed to minute quantities of atrazine in reality. Doses delivered in a distributed manner showed no effects up to and including the highest dose given (500 parts per million in the diet).

“This highest dose was tens of thousands of times higher than the current EPA water standards for atrazine. People would never be exposed to this level in the environment,” said Tim Pastoor, Ph.D., principal scientist with Syngenta. “Yet even at this extreme dose, atrazine had no effect.”

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