Neonicotinoid insecticides in trace level parts per trillion detected in drinking water in Iowa

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[A] team of chemists and engineers at the [U.S. Geological Survey] and University of Iowa reported that they found neonicotinoids in treated drinking water. It marks the first time that anyone has identified this class of pesticide in tap water, the researchers write in Environmental Science & Technology Letters.

Gregory LeFevre, a study author and U of Iowa environmental engineer, [said] that the find was important but not immediate cause for alarm.

“Having these types of compounds present in water does have the potential to be concerning,” he said, “but we don’t really know, at this point, what these levels might be.”

If the dose makes the poison, the doses of insect neurotoxin reported in the new study were quite small. The scientists collected samples last year from taps in Iowa City as well as on the university campus and found neonicotinoid concentrations ranging from 0.24 to 57.3 nanograms per liter — that is, on a scale of parts per trillion. “Parts per trillion is a really, really small concentration,” LeFevre said, roughly equal to a single drop of water plopped into 20 Olympic-size swimming pools.

Related article:  New Hampshire considers ban on pesticides some claim are toxic to bees

The GLP aggregated and excerpted this blog/article to reflect the diversity of news, opinion, and analysis. Read full, original post: First evidence found of popular farm pesticides in drinking water

For more background on the Genetic Literacy Project, read GLP on Wikipedia

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