How much weed killer in the water is too much?
8/26/2009
Atrazine, a popular weed killer among farmers and landscapers, is more dangerous at low levels than previously thought, according to recent research. Its presence in drinking water is causing concern. http://www.nytimes.com/2009/08/23/us/23water.html?pagewanted=1&em&adxnnlx=1251118911-E5BTo%20h5l1ZXFA7wNwNgPQ
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