The California Department of Pesticide Regulation (DPR) is in the process of updating restrictions and use limits for 1,3-D (e.g. Telone). For the last several years, DPR has undertaken an exhaustive scientific review of 1,3-D as part of DPR’s requirement to update conditions governing its use in California.

Stephanie Metzinger

The California Department of Pesticide Regulation (DPR) issued a notice on June 2, 2015, that effective July 1, 2015, chlorpyrifos products labeled for production of an agricultural commodity will become California restricted materials. Applicators who wish to purchase, possess, or apply affected chlorpyrifos products will have to obtain a restricted materials permit from their County Agriculture Commissioner (CAC).

Matthew Allen

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