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On August 9, 2018, the majority of a three-judge panel of the U.S. Court of Appeals for the Ninth Circuit (Ninth Circuit) issued an opinion in the latest chlorpyrifos case (League of United Latin American Citizens (LULAC) v. Wheeler, No. 17-71636) granting the petition for review of a 2017 order by the U.S. Environmental Protection Agency (EPA) that denied an administrative petition to revoke the tolerances for chlorpyrifos; vacating the 2017 order; and remanding the matter back...

On December 20, 2017, the U.S. Court of Appeals for the Ninth Circuit issued an order in LULAC v. Pruitt, Case No. 17-71636, a case challenging an order denying administrative petitions to revoke the tolerances and cancel the registrations for chlorpyrifos.  The court’s order includes actions concerning two pending motions.  The court has denied a motion by the U.S. Environmental Protection Agency (EPA) and Administrator Pruitt (Respondents) to dismiss the case for lack of...

On December 27, 2017, a three-judge panel of the U.S. Court of Appeals for the Ninth Circuit (Ninth Circuit) ordered the U.S. Environmental Protection Agency (EPA) to revise its nearly 17-year-old standard for levels of lead in paint and dust within one year.  A Cmty. Voice v. EPA, No. 16-72816.  The Ninth Circuit held that “EPA was under a duty stemming from the Toxic Substances Control Act and the Residential Lead-Based Paint Hazard Reduction Act...

On October 13, 2017, Petitioners League of United Latin American Citizens (LULAC), et al. filed a motion to expedite briefing and hearing in League of United Latin American Citizens v. Pruitt, Case No. 17-71636 (9th Cir. June 5, 2017).  In their motion, Petitioners request that the court “expedite proceedings because of the harm being caused by [U.S. Environmental Protection Agency (EPA)] Administrator Pruitt leaving chlorpyrifos tolerances in effect when he did not and...

On July 18, 2017, a panel of three judges at the U.S. Court of Appeals for the Ninth Circuit issued an order denying petitioners’ Pesticide Action Network North America (PANNA) and the Natural Resources Defense Council (NRDC) (Petitioners) Motion for Further Mandamus in the chlorpyrifos proceedings.  In that motion, Petitioners asked the court to grant further mandamus relief, asserting that the U.S. Environmental Protection Agency’s (EPA) denial of Petitioners’ petition to revoke all...

A noteworthy development in the U.S. Environmental Protection Agency’s (EPA) ongoing and controversial consideration of the potential use of epidemiological data in its pesticide risk assessments occurred on May 25, 2017, when EPA placed in the public dockets for certain organophosphate (OP) pesticides an “update” of the September 15, 2015, Literature Review and Food Quality Protection Act (FQPA) determination, along with a response to comments on the original document.  These...

On April 5, 2017, Petitioners Pesticide Action Network North America (PANNA) and the Natural Resources Defense Council (NRDC) (Petitioners) filed a Motion for Further Mandamus Relief in the Ninth Circuit Court of Appeals proceedings regarding the chlorpyrifos tolerances.  In the motion, Petitioners respond to the U.S. Environmental Protection Agency’s (EPA) order signed on March 29, 2017, which denied the petition to revoke tolerances.  Petitioners state that EPA’s response to the...

On March 29, 2017, U.S. Environment Protection Agency (EPA) Administrator Pruitt signed an order denying the September 2007 petition of the Pesticide Action Network North America (PANNA) and the Natural Resources Defense Council (NRDC) requesting that EPA revoke all tolerances and cancel all registrations for the pesticide chlorpyrifos.  This is the latest EPA action in a long and contentious battle concerning chlorpyrifos tolerances and registrations, and is likely not the end of this...

On August 12, 2016, a three-judge panel of the Ninth Circuit Court of Appeals issued an order denying the U.S. Environmental Protection Agency’s (EPA) request for an additional six months to decide whether to ban agricultural uses of chlorpyrifos.  The court opted instead to afford EPA a three month extension, stating that “this is the final extension, and the court will not grant any further extensions.”  EPA sought the six month extension on June 29,...

On July 5, 2016, a three judge panel of the U.S. Court of Appeals for the Ninth Circuit issued a brief opinion denying a petition for review of a U.S. Environmental Protection Agency (EPA) order in which EPA declined to “immediately adopt interim prohibitions on the use of toxic drift-prone pesticides … near homes, schools, parks, and daycare centers or wherever children congregate.”  Petitioners Pesticide Action Network North America (PANNA), United Farm Workers, and Pineros...