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Agrochemical toxicologist warns committee PFAS concerns in pesticides, points to fluorinated containers case
Summary
Dr. Austin Webb told the Agriculture, Food Resiliency, & Forestry committee that EPA data calls can lead to cancellations, PFAS presence in some pesticide products has been traced to fluorinated containers (the ANVIL 10‑10 case), and testing and enforcement challenges complicate regulation.
Dr. Austin Webb, who identified himself as an agrochemical toxicologist, told the Agriculture, Food Resiliency, & Forestry committee that EPA uses a "data call‑in" process during reregistration reviews and may cancel registrations when manufacturers do not provide requested studies.
"If the manufacturer hasn't responded in 18 months, these are the decisive steps we take... they will most likely cancel," Dr. Webb said, describing the variability of EPA actions depending on the risk and evidence. He described volatility and multi‑year studies that the agency can request as part of reregistration reviews for active ingredients such as paraquat and neonics.
On PFAS and pesticides, Dr. Webb said definitions differ across regulators…
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