Minneapolis St. Paul, MN, September 22, 2026 — Internal corporate documents, brought to light through ongoing litigation, suggest that Syngenta may have withheld critical data from the U.S. Environmental Protection Agency (EPA) concerning the health risks and absorption rates associated with its paraquat pesticide. The documents reportedly indicate a pattern of alleged concealment of adverse findings from regulatory bodies, while simultaneously promoting studies that highlighted the product’s safety.

Paraquat, a herbicide, has been a subject of concern in numerous countries due to its alleged links to Parkinson’s disease. Many nations have enacted bans on the pesticide. However, the EPA has continued to permit its use within the United States. The allegations suggest that Syngenta engaged in selective data presentation to regulatory agencies.

In a recent development, Syngenta announced its decision to cease global production of paraquat. Despite this announcement, the company has maintained its position that there is no established link between paraquat and Parkinson’s disease. The EPA, when commenting on the matter, stated that its assessments of paraquat’s safety are conducted based on the scientific data available to the agency.

The specifics of the litigation driving the revelation of these internal documents were not detailed. Furthermore, the exact nature of the health risks and absorption rates that may have been withheld, the timeline of this alleged withholding, and the precise content of the studies promoted by Syngenta remain subjects of ongoing review and legal proceedings. The amount of any potential fines or the outcomes of specific regulatory inspections related to these findings were not provided in the available information.


Story summarized from the original created by By Carey Gillam, The New Lede on www.minnpost.com, see more information here.

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