It was 1996 and I was working as a regulatory chemist at the Environmental Protection Agency (EPA). What I learned at the agency was that even when data indicated a need for risk reduction, up to and including cancellation of a pesticide use, such actions were too often avoided. In our work assessing risk through dietary exposure to pesticides, it was not difficult to refine different levels of analyses and I learned of one case where a high-level director in the reregistration division asked if the risk numbers could be reduced. Such pressure for results that avoided restrictions on certain pesticides led me to learn that if you tell a chemical company “No” too often, you hurt your chances for promotion. In March 2015, the International Agency for Research on Cancer, part of the World Health Organization, classified glyphosate as “probably carcinogenic to humans.” Yet still to this day, the EPA officially characterizes glyphosate as “not likely” to be carcinogenic. Glyphosate remains the most widely used weed killer in the world. During my time at the EPA, my “chemical” assignments there included atrazine, at that time the most frequently used weedkiller on corn. A 2015 assessment by OPP concluded that even after finding atrazine interacted with both estrogen and androgen pathways, there was no need for more testing because it would not likely impact EPA-established endpoints for human health or ecological risk.
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Each summary is created using a consistent editorial procedure. The target length is approximately 16 lines of 11-point Arial text in a 650-pixel-wide column. Up to 25% of a summary may be set in bold to emphasize the most important ideas. Summaries are composed of verbatim excerpts presented in the same sequence as they appear in the original news source, with very minor editorial additions. Where material has been omitted between excerpts, the omission is indicated with ellipses (...). Any words added by an editor for clarity or context appear in [brackets]. Our original news editor was Fred Burks. Tod Fletcher edited most summaries from 2007 through 2014, and Mark Bailey has served as news editor since 2014.