Study: the prevalence of Roundup herbicide

Green Med Info - A new study from the U.S. Geological Survey, accepted for publication online ahead of print in the journal Environmental Toxicology and Chemistry, reveals that Roundup herbicide (aka glyphosate) and its still-toxic degradation byproductAMPA were found in over 75% of the air and rain samples tested from Mississippi in 2007.  

The researchers evaluated a wide range of pesticides currently being used through weekly composite air and rain sampling collected during the 1995 and 2007 growing seasons in the Mississippi Delta agricultural region.

The researchers discovered the following:

• Thirty-seven compounds were detected in the air or rain samples in 2007; 20 of these were present in both air and rain.
• Glyphosate was the predominant new herbicide detected in both air (86%) and rain (77%) in 2007, but were not measured in 1995.

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