September 27, 2018
California DPR Proposes Rule to Designate Chlorpyrifos as a Toxic Air Contaminant
On September 19, 2018, the California Department of Pesticide Regulation (DPR) proposed a regulation to designate chlorpyrifos as a toxic air contaminant (TAC). DPR states that this proposal is being presented “after an extensive period of scientific and public review.” The proposed rule is based on a final evaluation issued in July 2018, in which DPR’s Human Health Assessment (HHA) Branch determined that chlorpyrifos meets the quantitative criteria for designation as...