A CalEPA office has agreed to a petition from Californians for Pesticide Reform and will adopt a higher Prop. 65 cancer risk warning on the fumigant known as Telone, or 1,3-D.

The Office of Environmental Health Hazard Assessment, called OEHHA, said the label “could be useful to the enforcement and business community.”

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In its petition, the advocacy group noted that the Department of Pesticide Regulation (DPR) and OEHHA have been in disagreement over the regulatory target that should be set for the pesticide. “OEHHA believes that the best available scientific evidence supports” a target concentration nearly twice as high as DPR recommends, the group writes.

OEHHA will request more scientific information on Telone from DPR and other agencies as it implements the regulation. It is also taking public comment.