EPA said: "Given the importance of epidemiology in the review of glyphosate’s carcinogenic potential, the Agency believes that additional expertise in epidemiology will benefit the panel and allow for a more robust review of the data. As a result, the SAP meeting on glyphosate is being postponed to later in 2016.
"The Agency will issue another announcement once the new date for the SAP meeting on glyphosate has been determined."
Christopher Portier, former director of the U.S. National Center for Environmental Health at the Centers for Disease Control and Prevention, served as an "invited specialist" on the International Agency for Research on Cancer panel that determined glyphosate is "probably carcinogenic to humans," but was not invited onto the EPA panel.
His brother, Kenneth Portier, vice president of the Statistics & Evaluation Center at the American Cancer Society, who has served on more than 60 Scientific Advisory Panels for EPA, was on the panel.